I got more info/better stacktrace(seen at the end): [ 4793.539013] sysrq: Show backtrace of all active CPUs [ 4793.539019] NMI backtrace for cpu 8 [ 4793.539026] CPU: 8 PID: 21120 Comm: stress Kdump: loaded Tainted: G U 5.2.1-g527a3db363a3 #68 [ 4793.539029] Hardware name: System manufacturer System Product Name/PRIME Z370-A, BIOS 1002 07/02/2018 [ 4793.539032] Call Trace: [ 4793.539036] <IRQ> [ 4793.539047] dump_stack+0x46/0x60 [ 4793.539054] nmi_cpu_backtrace.cold+0x14/0x53 [ 4793.539061] ? lapic_can_unplug_cpu.cold+0x42/0x42 [ 4793.539067] nmi_trigger_cpumask_backtrace+0x8e/0x90 [ 4793.539073] __handle_sysrq.cold+0x48/0x102 [ 4793.539078] sysrq_filter+0x2ea/0x3b0 [ 4793.539084] input_to_handler+0x4d/0xf0 [ 4793.539090] input_pass_values.part.0+0x109/0x130 [ 4793.539096] input_handle_event+0x171/0x5a0 [ 4793.539101] input_event+0x4d/0x70 [ 4793.539107] hidinput_report_event+0x2e/0x40 [ 4793.539112] hid_report_raw_event+0x260/0x430 [ 4793.539118] hid_input_report+0xfb/0x150 [ 4793.539124] hid_irq_in+0x168/0x190 [ 4793.539131] __usb_hcd_giveback_urb+0x77/0xe0 [ 4793.539148] xhci_giveback_urb_in_irq.isra.0+0x62/0x90 [xhci_hcd] [ 4793.539163] xhci_td_cleanup+0xf7/0x140 [xhci_hcd] [ 4793.539177] xhci_irq+0x7e8/0x1be0 [xhci_hcd] [ 4793.539185] __handle_irq_event_percpu+0x2f/0xc0 [ 4793.539191] handle_irq_event_percpu+0x2c/0x80 [ 4793.539196] handle_irq_event+0x23/0x43 [ 4793.539202] handle_edge_irq+0x78/0x190 [ 4793.539208] handle_irq+0x17/0x20 [ 4793.539215] do_IRQ+0x3e/0xd0 [ 4793.539221] common_interrupt+0xf/0xf [ 4793.539225] </IRQ> [ 4793.539231] RIP: 0010:isolate_migratepages_block+0x1d3/0xa50 [ 4793.539237] Code: df 77 27 45 84 ed 74 22 4d 85 d2 0f 85 a7 00 00 00 41 8b 44 24 60 be 01 00 00 00 c4 e2 f9 f7 c6 4c 8d 3c 18 48 f7 d8 49 21 c7 <f6> c3 1f 0f 84 ec 00 00 00 48 ff 44 24 10 48 8b 05 68 b3 d1 00 48 [ 4793.539240] RSP: 0018:ffff9cb9a9f57958 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffde [ 4793.539246] RAX: ffff9cb9a9f57b49 RBX: 00000000004b4b00 RCX: 000000000000000c [ 4793.539249] RDX: 00000000004b4c00 RSI: 0000000000000007 RDI: 0000000000000000 [ 4793.539252] RBP: ffff8fd8cdfde000 R08: ffff8fd8cdfd9960 R09: ffff8fd8ada5d550 [ 4793.539254] R10: 0000000000000000 R11: ffff8fd8ada5cb80 R12: ffff9cb9a9f57ad0 [ 4793.539257] R13: 0000000000000001 R14: ffff9cb9a9f57ad0 R15: 00000000004b4c00 [ 4793.539264] ? isolate_migratepages_block+0xd5/0xa50 [ 4793.539269] compact_zone+0x577/0xa70 [ 4793.539275] compact_zone_order+0xde/0x120 [ 4793.539280] try_to_compact_pages+0x187/0x240 [ 4793.539286] __alloc_pages_direct_compact+0x87/0x170 [ 4793.539291] __alloc_pages_slowpath+0x20e/0xc20 [ 4793.539297] ? release_pages+0x348/0x3b0 [ 4793.539303] ? __pagevec_lru_add_fn+0x189/0x2a0 [ 4793.539307] __alloc_pages_nodemask+0x268/0x2b0 [ 4793.539314] do_huge_pmd_anonymous_page+0x131/0x5c0 [ 4793.539321] __handle_mm_fault+0xc0c/0x1310 [ 4793.539327] handle_mm_fault+0xa9/0x1d0 [ 4793.539333] __do_page_fault+0x237/0x480 [ 4793.539339] do_page_fault+0x1d/0x67 [ 4793.539345] ? page_fault+0x8/0x30 [ 4793.539350] page_fault+0x1e/0x30 [ 4793.539355] RIP: 0033:0x5879fc8c4c10 [ 4793.539360] Code: c0 0f 84 53 02 00 00 8b 54 24 0c 31 c0 85 d2 0f 94 c0 89 04 24 41 83 fd 02 0f 8f fa 00 00 00 31 c0 4d 85 ff 7e 10 0f 1f 40 00 <c6> 04 03 5a 4c 01 f0 49 39 c7 7f f4 4d 85 e4 0f 84 f4 01 00 00 7e [ 4793.539363] RSP: 002b:00007ffd393aa0d0 EFLAGS: 00010206 [ 4793.539367] RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db [ 4793.539370] RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 [ 4793.539373] RBP: 00005879fc8c5a54 R08: 0000714104876010 R09: 0000000000000000 [ 4793.539376] R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff [ 4793.539379] R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 [ 4793.539385] Sending NMI from CPU 8 to CPUs 0-7,9-11: [ 4793.539450] NMI backtrace for cpu 0 skipped: idling at intel_idle+0x7d/0x120 [ 4793.539541] NMI backtrace for cpu 1 skipped: idling at intel_idle+0x7d/0x120 [ 4793.539606] NMI backtrace for cpu 2 skipped: idling at intel_idle+0x7d/0x120 [ 4793.539815] NMI backtrace for cpu 3 crash> task 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" struct task_struct { thread_info = { flags = 2147500036, status = 0 }, state = 0, stack = 0xffff9cb9a9f54000, usage = { refs = { counter = 2 } }, flags = 20990016, ptrace = 0, wake_entry = { next = 0x0 }, on_cpu = 1, cpu = 4, wakee_flips = 0, wakee_flip_decay_ts = 4299663580, last_wakee = 0xffff8fd8a9e01e40, recent_used_cpu = 4, wake_cpu = 4, on_rq = 1, prio = 120, static_prio = 120, normal_prio = 120, rt_priority = 0, sched_class = 0xffffffff98c0f700, se = { load = { weight = 1048576, inv_weight = 4194304 }, runnable_weight = 1048576, run_node = { __rb_parent_color = 1, rb_right = 0x0, rb_left = 0x0 }, group_node = { next = 0xffff8fd8ad85d550, prev = 0xffff8fd8ad85d550 }, on_rq = 1, exec_start = 4987351794570, sum_exec_runtime = 275188015038, vruntime = 268378190293, prev_sum_exec_runtime = 275071762024, nr_migrations = 75, statistics = { wait_start = 0, wait_max = 0, wait_count = 0, wait_sum = 0, iowait_count = 0, iowait_sum = 0, sleep_start = 0, sleep_max = 0, sum_sleep_runtime = 0, block_start = 0, block_max = 0, exec_max = 0, slice_max = 0, nr_migrations_cold = 0, nr_failed_migrations_affine = 0, nr_failed_migrations_running = 0, nr_failed_migrations_hot = 0, nr_forced_migrations = 0, nr_wakeups = 0, nr_wakeups_sync = 0, nr_wakeups_migrate = 0, nr_wakeups_local = 0, nr_wakeups_remote = 0, nr_wakeups_affine = 0, nr_wakeups_affine_attempts = 0, nr_wakeups_passive = 0, nr_wakeups_idle = 0 }, depth = 1, parent = 0xffff8fd38de23000, cfs_rq = 0xffff8fd38de20e00, my_q = 0x0, avg = { last_update_time = 4987351793664, load_sum = 47037, runnable_load_sum = 47037, util_sum = 48192640, period_contrib = 320, load_avg = 1023, runnable_load_avg = 1023, util_avg = 1024, util_est = { enqueued = 100, ewma = 75 } } }, rt = { run_list = { next = 0xffff8fd7f10ddd00, prev = 0xffff8fd7f10ddd00 }, timeout = 0, watchdog_stamp = 0, time_slice = 100, on_rq = 0, on_list = 0, back = 0x0 }, sched_task_group = 0xffff8fd8a69f7480, dl = { rb_node = { __rb_parent_color = 18446620756357799224, rb_right = 0x0, rb_left = 0x0 }, dl_runtime = 0, dl_deadline = 0, dl_period = 0, dl_bw = 0, dl_density = 0, runtime = 0, deadline = 0, flags = 0, dl_throttled = 0, dl_boosted = 0, dl_yielded = 0, dl_non_contending = 0, dl_overrun = 0, dl_timer = { node = { node = { __rb_parent_color = 18446620756357799312, rb_right = 0x0, rb_left = 0x0 }, expires = 0 }, _softexpires = 0, function = 0xffffffff980dac70, base = 0xffff8fd8ad958b00, state = 0 '\000', is_rel = 0 '\000', is_soft = 0 '\000' }, inactive_timer = { node = { node = { __rb_parent_color = 18446620756357799376, rb_right = 0x0, rb_left = 0x0 }, expires = 0 }, _softexpires = 0, function = 0xffffffff980d8ca0, base = 0xffff8fd8ad958b00, state = 0 '\000', is_rel = 0 '\000', is_soft = 0 '\000' } }, policy = 0, nr_cpus_allowed = 12, cpus_allowed = { bits = {4095} }, sched_info = { pcount = 927, run_delay = 10768613805, last_arrival = 4997587172423, last_queued = 0 }, tasks = { next = 0xffff8fd7ef4e8380, prev = 0xffff8fd80b12a1c0 }, pushable_tasks = { prio = 140, prio_list = { next = 0xffff8fd7f10dde58, prev = 0xffff8fd7f10dde58 }, node_list = { next = 0xffff8fd7f10dde68, prev = 0xffff8fd7f10dde68 } }, pushable_dl_tasks = { __rb_parent_color = 18446620756357799544, rb_right = 0x0, rb_left = 0x0 }, mm = 0xffff8fd84a0c0000, active_mm = 0xffff8fd84a0c0000, vmacache = { seqnum = 0, vmas = {0xffff8fd8064dcd80, 0xffff8fd188b0ce40, 0xffff8fd73833ed80, 0x0} }, rss_stat = { events = 59, count = {0, 54, 0, 0} }, exit_state = 0, exit_code = 0, exit_signal = 17, pdeath_signal = 0, jobctl = 0, personality = 0, sched_reset_on_fork = 0, sched_contributes_to_load = 1, sched_migrated = 0, sched_remote_wakeup = 0, sched_psi_wake_requeue = 0, in_execve = 0, in_iowait = 0, restore_sigmask = 0, in_user_fault = 1, no_cgroup_migration = 0, frozen = 0, use_memdelay = 0, atomic_flags = 0, restart_block = { fn = 0xffffffff980a97b0, { futex = { uaddr = 0x791b80, val = 0, flags = 0, bitset = 30, time = 685393978, uaddr2 = 0x0 }, nanosleep = { clockid = 7936896, type = TT_NONE, { rmtp = 0x0, compat_rmtp = 0x0 }, expires = 30 }, poll = { ufds = 0x791b80, nfds = 0, has_timeout = 0, tv_sec = 30, tv_nsec = 685393978 } } }, pid = 21120, tgid = 21120, stack_canary = 2699928380174480896, real_parent = 0xffff8fd80b129e40, parent = 0xffff8fd80b129e40, children = { next = 0xffff8fd7f10ddf60, prev = 0xffff8fd7f10ddf60 }, sibling = { next = 0xffff8fd7ef4e84b0, prev = 0xffff8fd80b12a2e0 }, group_leader = 0xffff8fd7f10ddac0, ptraced = { next = 0xffff8fd7f10ddf88, prev = 0xffff8fd7f10ddf88 }, ptrace_entry = { next = 0xffff8fd7f10ddf98, prev = 0xffff8fd7f10ddf98 }, thread_pid = 0xffff8fd8a5c6e000, pid_links = {{ next = 0x0, pprev = 0xffff8fd8a5c6e008 }, { next = 0x0, pprev = 0xffff8fd8a5c6e010 }, { next = 0xffff8fd80b12a350, pprev = 0xffff8fd7ef4e8510 }, { next = 0xffff8fd80b12a360, pprev = 0xffff8fd7ef4e8520 }}, thread_group = { next = 0xffff8fd7f10ddff0, prev = 0xffff8fd7f10ddff0 }, thread_node = { next = 0xffff8fd18547bfd0, prev = 0xffff8fd18547bfd0 }, vfork_done = 0x0, set_child_tid = 0x714358935a10, clear_child_tid = 0x714358935a10, utime = 2991526, stime = 275229123556, gtime = 0, prev_cputime = { utime = 0, stime = 0, lock = { raw_lock = { { val = { counter = 0 }, { locked = 0 '\000', pending = 0 '\000' }, { locked_pending = 0, tail = 0 } } } } }, vtime = { seqcount = { sequence = 0 }, starttime = 0, state = VTIME_INACTIVE, utime = 0, stime = 0, gtime = 0 }, tick_dep_mask = { counter = 0 }, nvcsw = 64, nivcsw = 862, start_time = 4707054953905, real_start_time = 4707054953927, min_flt = 16888, maj_flt = 0, cputime_expires = { utime = 0, stime = 0, sum_exec_runtime = 0 }, cpu_timers = {{ next = 0xffff8fd7f10de0d8, prev = 0xffff8fd7f10de0d8 }, { next = 0xffff8fd7f10de0e8, prev = 0xffff8fd7f10de0e8 }, { next = 0xffff8fd7f10de0f8, prev = 0xffff8fd7f10de0f8 }}, ptracer_cred = 0x0, real_cred = 0xffff8fd188b0cd80, cred = 0xffff8fd188b0cd80, comm = "stress\000ce4-term", nameidata = 0x0, sysvsem = { undo_list = 0x0 }, sysvshm = { shm_clist = { next = 0xffff8fd7f10de140, prev = 0xffff8fd7f10de140 } }, last_switch_count = 0, last_switch_time = 0, fs = 0xffff8fd84b0e8f40, files = 0xffff8fd2944fd600, nsproxy = 0xffffffff990349a0, signal = 0xffff8fd18547bfc0, sighand = 0xffff8fd3c8277380, blocked = { sig = {0} }, real_blocked = { sig = {0} }, saved_sigmask = { sig = {512} }, pending = { list = { next = 0xffff8fd7f10de1a0, prev = 0xffff8fd7f10de1a0 }, signal = { sig = {256} } }, sas_ss_sp = 0, sas_ss_size = 0, sas_ss_flags = 2, task_works = 0x0, audit_context = 0x0, loginuid = { val = 1000 }, sessionid = 1, seccomp = { mode = 0, filter = 0x0 }, parent_exec_id = 15, self_exec_id = 15, alloc_lock = { { rlock = { raw_lock = { { val = { counter = 0 }, { locked = 0 '\000', pending = 0 '\000' }, { locked_pending = 0, tail = 0 } } } } } }, pi_lock = { raw_lock = { { val = { counter = 0 }, { locked = 0 '\000', pending = 0 '\000' }, { locked_pending = 0, tail = 0 } } } }, wake_q = { next = 0x0 }, pi_waiters = { rb_root = { rb_node = 0x0 }, rb_leftmost = 0x0 }, pi_top_task = 0x0, pi_blocked_on = 0x0, journal_info = 0x0, bio_list = 0x0, plug = 0x0, reclaim_state = 0x0, backing_dev_info = 0x0, io_context = 0xffff8fd84b2ce888, capture_control = 0xffff9cb9a9f57ac0, ptrace_message = 0, last_siginfo = 0x0, ioac = { rchar = 0, wchar = 0, syscr = 0, syscw = 0, read_bytes = 0, write_bytes = 0, cancelled_write_bytes = 0 }, psi_flags = 6, acct_rss_mem1 = 3212941986541, acct_vm_mem1 = 656456860857633, acct_timexpd = 275231119481, mems_allowed = { bits = {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, mems_allowed_seq = { sequence = 0 }, cpuset_mem_spread_rotor = -1, cpuset_slab_spread_rotor = -1, cgroups = 0xffff8fd8a4d01800, cg_list = { next = 0xffff8fd7ef4e88a8, prev = 0xffff8fd80b12a6e8 }, robust_list = 0x0, compat_robust_list = 0x0, pi_state_list = { next = 0xffff8fd7f10de388, prev = 0xffff8fd7f10de388 }, pi_state_cache = 0x0, perf_event_ctxp = {0x0, 0x0}, perf_event_mutex = { owner = { counter = 0 }, wait_lock = { { rlock = { raw_lock = { { val = { counter = 0 }, { locked = 0 '\000', pending = 0 '\000' }, { locked_pending = 0, tail = 0 } } } } } }, osq = { tail = { counter = 0 } }, wait_list = { next = 0xffff8fd7f10de3c0, prev = 0xffff8fd7f10de3c0 } }, perf_event_list = { next = 0xffff8fd7f10de3d0, prev = 0xffff8fd7f10de3d0 }, mempolicy = 0x0, il_prev = 0, pref_node_fork = 0, numa_scan_seq = 0, numa_scan_period = 1000, numa_scan_period_max = 0, numa_preferred_nid = -1, numa_migrate_retry = 0, node_stamp = 0, last_task_numa_placement = 0, last_sum_exec_runtime = 0, numa_work = { next = 0xffff8fd7f10de420, func = 0x0 }, numa_group = 0x0, numa_faults = 0x0, total_numa_faults = 0, numa_faults_locality = {0, 0, 0}, numa_pages_migrated = 0, rseq = 0x0, rseq_sig = 0, rseq_event_mask = 5, tlb_ubc = { arch = { cpumask = { bits = {0} } }, flush_required = false, writable = false }, rcu = { next = 0x0, func = 0x0 }, splice_pipe = 0x0, task_frag = { page = 0x0, offset = 0, size = 0 }, delays = 0xffff8fd8a638d3c0, nr_dirtied = 0, nr_dirtied_pause = 32, dirty_paused_when = 0, latency_record_count = 0, latency_record = {{ backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }, { backtrace = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, count = 0, time = 0, max = 0 }}, timer_slack_ns = 50000, default_timer_slack_ns = 50000, memcg_in_oom = 0x0, memcg_oom_gfp_mask = 0, memcg_oom_order = 0, memcg_nr_pages_over_high = 0, active_memcg = 0x0, throttle_queue = 0x0, pagefault_disabled = 0, oom_reaper_list = 0x0, stack_vm_area = 0xffff8fd3895a9fc0, stack_refcount = { refs = { counter = 1 } }, security = 0x0, thread = { tls_array = {{ limit0 = 0, base0 = 0, base1 = 0, type = 0, s = 0, dpl = 0, p = 0, limit1 = 0, avl = 0, l = 0, d = 0, g = 0, base2 = 0 }, { limit0 = 0, base0 = 0, base1 = 0, type = 0, s = 0, dpl = 0, p = 0, limit1 = 0, avl = 0, l = 0, d = 0, g = 0, base2 = 0 }, { limit0 = 0, base0 = 0, base1 = 0, type = 0, s = 0, dpl = 0, p = 0, limit1 = 0, avl = 0, l = 0, d = 0, g = 0, base2 = 0 }}, sp = 18446634919967160496, es = 0, ds = 0, fsindex = 0, gsindex = 0, fsbase = 124534062798656, gsbase = 0, ptrace_bps = {0x0, 0x0, 0x0, 0x0}, debugreg6 = 0, ptrace_dr7 = 0, cr2 = 0, trap_nr = 0, error_code = 0, io_bitmap_ptr = 0x0, iopl = 0, io_bitmap_max = 0, addr_limit = { seg = 140737488351232 }, sig_on_uaccess_err = 0, uaccess_err = 0, fpu = { last_cpu = 9, avx512_timestamp = 0, state = { fsave = { cwd = 0, swd = 0, twd = 0, fip = 0, fcs = 0, foo = 0, fos = 0, st_space = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, status = 0 }, fxsave = { cwd = 0, swd = 0, twd = 0, fop = 0, { { rip = 0, rdp = 0 }, { fip = 0, fcs = 0, foo = 0, fos = 0 } }, mxcsr = 0, mxcsr_mask = 0, st_space = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, xmm_space = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, padding = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, { padding1 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, sw_reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} } }, soft = { cwd = 0, swd = 0, twd = 0, fip = 0, fcs = 0, foo = 0, fos = 0, st_space = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, ftop = 0 '\000', changed = 0 '\000', lookahead = 0 '\000', no_update = 0 '\000', rm = 0 '\000', alimit = 0 '\000', info = 0x0, entry_eip = 0 }, xsave = { i387 = { cwd = 0, swd = 0, twd = 0, fop = 0, { { rip = 0, rdp = 0 }, { fip = 0, fcs = 0, foo = 0, fos = 0 } }, mxcsr = 0, mxcsr_mask = 0, st_space = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, xmm_space = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, padding = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, { padding1 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, sw_reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} } }, header = { xfeatures = 0, xcomp_bv = 9223372036854775839, reserved = {0, 0, 0, 0, 0, 0} }, extended_state_area = 0xffff8fd7f10df780 "" }, __padding = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"... } } } } struct thread_info { flags = 2147500036, status = 0 } crash> crash> bt -l 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" (active) crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b35c6 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57918] compact_unlock_should_abort at ffffffff981b27f8 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac66d [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac660 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac675 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b350b [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3539 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b34e4 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b373f [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b34e4 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac662 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b2e [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac662 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b350b [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b35a0 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b2e [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3552 [ffff9cb9a9f57948] _cond_resched at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b35a5 [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3572 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac662 [ffff9cb9a9f57948] _cond_resched at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b35a5 [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] _cond_resched at ffffffff987f5f2b [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b35ec [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3591 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3546 [ffff9cb9a9f57948] _cond_resched at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b35a5 [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac675 [ffff9cb9a9f57948] _cond_resched at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b35a5 [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac675 [ffff9cb9a9f57948] _cond_resched at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b35a5 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] node_page_state at ffffffff981ac660 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b35a0 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] compact_unlock_should_abort at ffffffff981b27f0 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b34f9 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3546 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3798 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57918] compact_unlock_should_abort at ffffffff981b2822 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57918] compact_unlock_should_abort at ffffffff981b27f8 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4b69 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] compact_unlock_should_abort at ffffffff981b27f0 [ffff9cb9a9f57930] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f579b8] isolate_migratepages_block at ffffffff981b378e [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b373f [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57918] compact_unlock_should_abort at ffffffff981b27f8 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b350b [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3798 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -t 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" START: __schedule at ffffffff987f5a0c [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3539 [ffff9cb9a9f57930] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> crash> bt -T 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity at ffffffff980cea64 [ffff9cb9a9f57700] record_times at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup at ffffffff980c2d02 [ffff9cb9a9f577c0] __free_one_page at ffffffff981d66a4 [ffff9cb9a9f577c8] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57808] __update_load_avg_cfs_rq at ffffffff980e085f [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57858] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57890] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3572 [ffff9cb9a9f57948] _cond_resched at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -T 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity at ffffffff980cea64 [ffff9cb9a9f57700] record_times at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup at ffffffff980c2d02 [ffff9cb9a9f577c0] __free_one_page at ffffffff981d66a4 [ffff9cb9a9f577c8] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57808] __update_load_avg_cfs_rq at ffffffff980e085f [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57858] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57890] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b350b [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> crash> bt -T 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity at ffffffff980cea64 [ffff9cb9a9f57700] record_times at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup at ffffffff980c2d02 [ffff9cb9a9f577c0] __free_one_page at ffffffff981d66a4 [ffff9cb9a9f577c8] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57808] __update_load_avg_cfs_rq at ffffffff980e085f [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57858] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57890] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57918] rcu_all_qs at ffffffff980ff319 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -T 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 9 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity at ffffffff980cea64 [ffff9cb9a9f57700] record_times at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup at ffffffff980c2d02 [ffff9cb9a9f577c0] __free_one_page at ffffffff981d66a4 [ffff9cb9a9f577c8] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57808] __update_load_avg_cfs_rq at ffffffff980e085f [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57858] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57890] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3582 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> $ colordiff -up /tmp/{a,b} --- /tmp/a 2019-07-16 05:09:24.145246010 +0200 +++ /tmp/b 2019-07-16 05:09:27.399245979 +0200 @@ -29,7 +29,8 @@ PID: 21120 TASK: ffff8fd7f10ddac0 CPU: [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57858] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57890] apic_timer_interrupt at ffffffff9880146a - [ffff9cb9a9f57918] rcu_all_qs at ffffffff980ff319 + [ffff9cb9a9f578a0] apic_timer_interrupt at ffffffff9880146a + [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3582 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de @@ -53,4 +54,4 @@ PID: 21120 TASK: ffff8fd7f10ddac0 CPU: R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b - +crash> crash> bt -T 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 0 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity at ffffffff980cea64 [ffff9cb9a9f57700] record_times at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup at ffffffff980c2d02 [ffff9cb9a9f577c8] try_to_wake_up at ffffffff980c3a06 [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57850] set_next_entity at ffffffff980cdc29 [ffff9cb9a9f57870] pick_next_task_fair at ffffffff980d4a50 [ffff9cb9a9f578a0] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57928] isolate_migratepages_block at ffffffff981b3bc0 [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -T 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 0 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity at ffffffff980cea64 [ffff9cb9a9f57700] record_times at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup at ffffffff980c2d02 [ffff9cb9a9f577c8] try_to_wake_up at ffffffff980c3a06 [ffff9cb9a9f57810] update_load_avg at ffffffff980cd6a6 [ffff9cb9a9f57850] set_next_entity at ffffffff980cdc29 [ffff9cb9a9f57870] pick_next_task_fair at ffffffff980d4a50 [ffff9cb9a9f57890] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt at ffffffff9880146a [ffff9cb9a9f57928] node_page_state at ffffffff981ac66d [ffff9cb9a9f57950] isolate_migratepages_block at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> Ok, I don't know why but I can't start any more terminals and exiting chromium also made starter terminal unusable. Some kind of lockup/wait is at hand! here's last of `strace bash -l`: clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7733e277fa10) = 22571 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigaction(SIGCHLD, {sa_handler=0x623cac34987a, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7733e27c8910}, {sa_handler=0x623cac34987a, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7733e27c8910}, 8) = 0 close(4) = 0 read(3, "\33[4m", 512) = 4 read(3, "", 512) = 0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22571, si_uid=1000, si_status=0, si_utime=0, si_stime=0} --- wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 22571 wait4(-1, 0x7ffc85dc1b50, WNOHANG, NULL) = -1 ECHILD (No child processes) rt_sigreturn({mask=[]}) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGINT, {sa_handler=0x623cac347485, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7733e27c8910}, {sa_handler=0x623cac36e877, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7733e27c8910}, 8) = 0 rt_sigaction(SIGINT, {sa_handler=0x623cac36e877, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7733e27c8910}, {sa_handler=0x623cac347485, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7733e27c8910}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 pipe([3, 4]) = 0 rt_sigprocmask(SIG_BLOCK, [INT CHLD], [CHLD], 8) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [INT CHLD], 8) = 0 rt_sigprocmask(SIG_SETMASK, [INT CHLD], NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7733e277fa10) = 22572 rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0 close(4) = 0 close(4) = -1 EBADF (Bad file descriptor) rt_sigprocmask(SIG_BLOCK, [INT CHLD], [CHLD], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7733e277fa10) = 22573 rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0 close(3) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [CHLD], 8) = 0 rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [CHLD], 8) = 0 rt_sigaction(SIGINT, {sa_handler=0x623cac347485, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7733e27c8910}, {sa_handler=0x623cac36e877, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7733e27c8910}, 8) = 0 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, 0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGWINCH {si_signo=SIGWINCH, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = 61 wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, [{WIFSIGNALED(s) && WTERMSIG(s) == SIGINT}], 0, NULL) = 22573 wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, ^C0x7ffc85dc2690, 0, NULL) = ? ERESTARTSYS (To be restarted if SA_RESTART is set) --- SIGINT {si_signo=SIGINT, si_code=SI_KERNEL} --- rt_sigreturn({mask=[CHLD]}) = -1 EINTR (Interrupted system call) wait4(-1, crash> bt -f 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" (active) crash> bt -F 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" (active) crash> bt -FF 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" (active) crash> bt -v 21120 No stack overflows detected crash> bt -Tsx 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds+0x4f at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath+0x175 at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp+0xba at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt+0xa at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal+0x8db at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal+0xad at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal+0x1c9 at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd+0x1e at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc+0x1e3 at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg+0x42b at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue+0xbf at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity+0xe4 at ffffffff980cea64 [ffff9cb9a9f57700] record_times+0x10 at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup+0x182 at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr+0x70 at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup+0x12 at ffffffff980c2d02 [ffff9cb9a9f577c8] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f57810] update_load_avg+0x76 at ffffffff980cd6a6 [ffff9cb9a9f57850] set_next_entity+0x89 at ffffffff980cdc29 [ffff9cb9a9f57858] update_load_avg+0x76 at ffffffff980cd6a6 [ffff9cb9a9f57890] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f57928] node_page_state+0x15 at ffffffff981ac675 [ffff9cb9a9f57948] _cond_resched+0x10 at ffffffff987f5f30 [ffff9cb9a9f57950] isolate_migratepages_block+0xd5 at ffffffff981b35a5 [ffff9cb9a9f57a10] compact_zone+0x577 at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order+0xde at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages+0x187 at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact+0x87 at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath+0x20e at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages+0x348 at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn+0x189 at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask+0x268 at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page+0x131 at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault+0xc0c at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault+0xa9 at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault+0x237 at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault+0x1d at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault+0x8 at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault+0x1e at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -Tsx 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds+0x4f at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath+0x175 at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp+0xba at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt+0xa at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal+0x8db at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal+0xad at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal+0x1c9 at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd+0x1e at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc+0x1e3 at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg+0x42b at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue+0xbf at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity+0xe4 at ffffffff980cea64 [ffff9cb9a9f57700] record_times+0x10 at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup+0x182 at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr+0x70 at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup+0x12 at ffffffff980c2d02 [ffff9cb9a9f577c8] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f57810] update_load_avg+0x76 at ffffffff980cd6a6 [ffff9cb9a9f57850] set_next_entity+0x89 at ffffffff980cdc29 [ffff9cb9a9f57870] pick_next_task_fair+0x590 at ffffffff980d4a50 [ffff9cb9a9f57890] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f57928] isolate_migratepages_block+0x2a7 at ffffffff981b3777 [ffff9cb9a9f57950] isolate_migratepages_block+0x2ed at ffffffff981b37bd [ffff9cb9a9f57a10] compact_zone+0x577 at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order+0xde at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages+0x187 at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact+0x87 at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath+0x20e at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages+0x348 at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn+0x189 at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask+0x268 at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page+0x131 at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault+0xc0c at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault+0xa9 at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault+0x237 at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault+0x1d at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault+0x8 at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault+0x1e at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> bt -Tsx 21120 PID: 21120 TASK: ffff8fd7f10ddac0 CPU: 4 COMMAND: "stress" [ffff9cb9a9f57160] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57180] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57200] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f572f8] wake_all_kswapds+0x4f at ffffffff981d5e5f [ffff9cb9a9f57338] __alloc_pages_slowpath+0x175 at ffffffff981d9955 [ffff9cb9a9f57368] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57378] get_page_from_freelist+0xe88 at ffffffff981d9078 [ffff9cb9a9f57408] FSE_buildCTable_wksp+0xba at ffffffff98485f5a [ffff9cb9a9f57410] reschedule_interrupt+0xa at ffffffff9880152a [ffff9cb9a9f57478] ZSTD_compressSequences_internal+0x8db at ffffffff9849ecbb [ffff9cb9a9f57548] ZSTD_compressBlock_internal+0xad at ffffffff9849f4dd [ffff9cb9a9f57570] ZSTD_compressContinue_internal+0x1c9 at ffffffff9849f709 [ffff9cb9a9f575d8] ZSTD_compressEnd+0x1e at ffffffff9849f9ae [ffff9cb9a9f57620] zs_malloc+0x1e3 at ffffffff98217ad3 [ffff9cb9a9f57648] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f57668] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f576b8] update_load_avg+0x42b at ffffffff980cda5b [ffff9cb9a9f576c0] account_entity_enqueue+0xbf at ffffffff980cc13f [ffff9cb9a9f576f8] enqueue_entity+0xe4 at ffffffff980cea64 [ffff9cb9a9f57700] record_times+0x10 at ffffffff980e8140 [ffff9cb9a9f57750] check_preempt_wakeup+0x182 at ffffffff980cd422 [ffff9cb9a9f57798] check_preempt_curr+0x70 at ffffffff980c2ce0 [ffff9cb9a9f577a8] ttwu_do_wakeup+0x12 at ffffffff980c2d02 [ffff9cb9a9f577c8] __update_load_avg_se+0x200 at ffffffff980e05d0 [ffff9cb9a9f57810] update_load_avg+0x76 at ffffffff980cd6a6 [ffff9cb9a9f57850] set_next_entity+0x89 at ffffffff980cdc29 [ffff9cb9a9f57870] pick_next_task_fair+0x590 at ffffffff980d4a50 [ffff9cb9a9f57890] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f57928] isolate_migratepages_block+0xd5 at ffffffff981b35a5 [ffff9cb9a9f57930] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f57950] isolate_migratepages_block+0x2ed at ffffffff981b37bd [ffff9cb9a9f579b8] isolate_migratepages_block+0x9 at ffffffff981b34d9 [ffff9cb9a9f57a10] compact_zone+0x577 at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order+0xde at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages+0x187 at ffffffff981b5a17 [ffff9cb9a9f57bd8] __alloc_pages_direct_compact+0x87 at ffffffff981d95a7 [ffff9cb9a9f57c30] __alloc_pages_slowpath+0x20e at ffffffff981d99ee [ffff9cb9a9f57cd0] release_pages+0x348 at ffffffff9819aa08 [ffff9cb9a9f57d00] __pagevec_lru_add_fn+0x189 at ffffffff9819ada9 [ffff9cb9a9f57d40] __alloc_pages_nodemask+0x268 at ffffffff981da668 [ffff9cb9a9f57da0] do_huge_pmd_anonymous_page+0x131 at ffffffff98202c01 [ffff9cb9a9f57df0] __handle_mm_fault+0xc0c at ffffffff981bfa4c [ffff9cb9a9f57ea0] handle_mm_fault+0xa9 at ffffffff981c01f9 [ffff9cb9a9f57ec8] __do_page_fault+0x237 at ffffffff9803d5c7 [ffff9cb9a9f57f28] do_page_fault+0x1d at ffffffff9803d85d [ffff9cb9a9f57f48] page_fault+0x8 at ffffffff98800de8 [ffff9cb9a9f57f50] page_fault+0x1e at ffffffff98800dfe RIP: 00005879fc8c4c10 RSP: 00007ffd393aa0d0 RFLAGS: 00010206 RAX: 0000000010b8a000 RBX: 0000714104876010 RCX: 0000714358a5a3db RDX: 0000000000000000 RSI: 00000002540bf000 RDI: 0000714104876000 RBP: 00005879fc8c5a54 R8: 0000714104876010 R9: 0000000000000000 R10: 0000000000000022 R11: 00000002540be400 R12: ffffffffffffffff R13: 0000000000000002 R14: 0000000000001000 R15: 00000002540be400 ORIG_RAX: ffffffffffffffff CS: 0033 SS: 002b crash> diff of the above two: $ colordiff -up /tmp/{c,d} --- /tmp/c 2019-07-16 05:20:20.959239746 +0200 +++ /tmp/d 2019-07-16 05:20:29.450239665 +0200 @@ -29,8 +29,10 @@ PID: 21120 TASK: ffff8fd7f10ddac0 CPU: [ffff9cb9a9f57870] pick_next_task_fair+0x590 at ffffffff980d4a50 [ffff9cb9a9f57890] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f578a0] apic_timer_interrupt+0xa at ffffffff9880146a - [ffff9cb9a9f57928] isolate_migratepages_block+0x2a7 at ffffffff981b3777 + [ffff9cb9a9f57928] isolate_migratepages_block+0xd5 at ffffffff981b35a5 + [ffff9cb9a9f57930] apic_timer_interrupt+0xa at ffffffff9880146a [ffff9cb9a9f57950] isolate_migratepages_block+0x2ed at ffffffff981b37bd + [ffff9cb9a9f579b8] isolate_migratepages_block+0x9 at ffffffff981b34d9 [ffff9cb9a9f57a10] compact_zone+0x577 at ffffffff981b4c07 [ffff9cb9a9f57ab8] compact_zone_order+0xde at ffffffff981b51de [ffff9cb9a9f57b78] try_to_compact_pages+0x187 at ffffffff981b5a17