https://bugzilla.kernel.org/show_bug.cgi?id=216349 --- Comment #8 from John Park (jdpark.au@xxxxxxxxx) --- Another kernel panic and VM freeze occurred today. Log below: --- [32846.996729] invalid opcode: 0000 [#1] SMP PTI [32846.997520] CPU: 0 PID: 2951 Comm: cron Not tainted 5.15.0-46-generic #49-Ubuntu [32846.998310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014 [32847.000030] RIP: 0010:asm_exc_page_fault+0x1/0x30 [32847.001067] Code: 28 ff 74 24 28 ff 74 24 28 ff 74 24 28 e8 27 09 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 e8 b7 86 f9 ff e9 42 0a 00 00 66 90 0f <1f> 00 e8 08 09 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 48 8b 74 24 [32847.003280] RSP: 0018:ffffb688031c7b08 EFLAGS: 00010086 [32847.004521] RAX: ffffffffc07f5360 RBX: 0000000000000000 RCX: 0000000000000002 [32847.005772] RDX: 0000000000000081 RSI: ffff9cb54955cb60 RDI: ffffffff91681300 [32847.007063] RBP: ffffb688031c7ba8 R08: 0000000000000000 R09: 0000000000000000 [32847.008418] R10: ffff9cb54eab3000 R11: 0000000000000000 R12: ffff9cb54955cb60 [32847.009782] R13: 0000000000000081 R14: ffffffff91681300 R15: d0d0d0d0d0d0d0d0 [32847.011199] FS: 00007fe632c78840(0000) GS:ffff9cb57bc00000(0000) knlGS:0000000000000000 [32847.012623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [32847.013711] CR2: ffffffffc63418c3 CR3: 0000000001c14000 CR4: 00000000000006f0 [32847.014847] Call Trace: [32847.015811] <TASK> [32847.016616] ? asm_sysvec_spurious_apic_interrupt+0x20/0x20 [32847.017488] ? ovl_verify_inode+0xd0/0xd0 [overlay] [32847.018341] ? ovl_verify_inode+0xd0/0xd0 [overlay] [32847.018939] ? inode_permission+0xef/0x1a0 [32847.019561] link_path_walk.part.0.constprop.0+0xc9/0x370 [32847.020165] ? path_init+0x2c0/0x3f0 [32847.020779] path_lookupat+0x3e/0x1c0 [32847.021416] ? generic_fillattr+0x4e/0xe0 [32847.021941] filename_lookup+0xcf/0x1d0 [32847.022468] ? __check_object_size+0x1d/0x30 [32847.023003] ? strncpy_from_user+0x44/0x150 [32847.023583] ? getname_flags.part.0+0x4c/0x1b0 [32847.024200] user_path_at_empty+0x3f/0x60 [32847.024880] vfs_statx+0x7a/0x130 [32847.025450] __do_sys_newstat+0x3e/0x80 [32847.026194] ? __secure_computing+0xa9/0x120 [32847.026825] ? syscall_trace_enter.constprop.0+0xa7/0x1c0 [32847.027410] __x64_sys_newstat+0x16/0x20 [32847.028025] do_syscall_64+0x5c/0xc0 [32847.028621] ? syscall_exit_to_user_mode+0x27/0x50 [32847.029197] ? __x64_sys_newstat+0x16/0x20 [32847.029748] ? do_syscall_64+0x69/0xc0 [32847.030298] ? do_syscall_64+0x69/0xc0 [32847.030853] ? syscall_exit_to_user_mode+0x27/0x50 [32847.031415] ? __x64_sys_newstat+0x16/0x20 [32847.032002] ? do_syscall_64+0x69/0xc0 [32847.032591] ? do_syscall_64+0x69/0xc0 [32847.033193] entry_SYSCALL_64_after_hwframe+0x61/0xcb [32847.033786] RIP: 0033:0x7fe632e643a6 [32847.034390] Code: 00 00 75 05 48 83 c4 18 c3 e8 66 f3 01 00 66 0f 1f 44 00 00 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 29 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 c3 90 48 8b 15 b9 fa 0c 00 f7 d8 64 89 02 [32847.035617] RSP: 002b:00007ffdce8c1f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [32847.036257] RAX: ffffffffffffffda RBX: 00005558fae76690 RCX: 00007fe632e643a6 [32847.036879] RDX: 00007ffdce8c2190 RSI: 00007ffdce8c2190 RDI: 00007ffdce8c2320 [32847.037492] RBP: 00007ffdce8c4380 R08: 0000000000000001 R09: 0000000000000012 [32847.038105] R10: 00005558fae764e8 R11: 0000000000000246 R12: 00007ffdce8c1fe0 [32847.038699] R13: 00007ffdce8c2320 R14: 00007ffdce8c2070 R15: 00005558fa816186 [32847.039280] </TASK> [32847.039875] Modules linked in: tls xt_nat xt_tcpudp veth xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink br_netfilter bridge stp llc overlay sch_fq_codel joydev input_leds serio_raw qemu_fw_cfg mac_hid ramoops dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua reed_solomon pstore_blk mtd netconsole pstore_zone ipmi_devintf ipmi_msghandler efi_pstore msr ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear bochs drm_vram_helper drm_ttm_helper ttm drm_kms_helper syscopyarea hid_generic sysfillrect sysimgblt xhci_pci fb_sys_fops cec rc_core psmouse xhci_pci_renesas virtio_net usbhid net_failover hid failover drm virtio_scsi i2c_piix4 pata_acpi floppy [32847.045209] ---[ end trace 3eb46e5a4c095231 ]--- [32847.045918] RIP: 0010:asm_exc_page_fault+0x1/0x30 [32847.046626] Code: 28 ff 74 24 28 ff 74 24 28 ff 74 24 28 e8 27 09 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 e8 b7 86 f9 ff e9 42 0a 00 00 66 90 0f <1f> 00 e8 08 09 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 48 8b 74 24 [32847.048094] RSP: 0018:ffffb688031c7b08 EFLAGS: 00010086 [32847.048831] RAX: ffffffffc07f5360 RBX: 0000000000000000 RCX: 0000000000000002 [32847.049554] RDX: 0000000000000081 RSI: ffff9cb54955cb60 RDI: ffffffff91681300 [32847.050314] RBP: ffffb688031c7ba8 R08: 0000000000000000 R09: 0000000000000000 [32847.051091] R10: ffff9cb54eab3000 R11: 0000000000000000 R12: ffff9cb54955cb60 [32847.051868] R13: 0000000000000081 R14: ffffffff91681300 R15: d0d0d0d0d0d0d0d0 [32847.052613] FS: 00007fe632c78840(0000) GS:ffff9cb57bc00000(0000) knlGS:0000000000000000 [32847.053373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [32847.054163] CR2: ffffffffc63418c3 CR3: 0000000001c14000 CR4: 00000000000006f0 [32854.484979] systemd-journald[352]: Sent WATCHDOG=1 notification. [32907.065589] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [32907.068463] rcu: 0-...!: (0 ticks this GP) idle=3b4/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [32907.071403] (detected by 1, t=15002 jiffies, g=339469, q=958) [32907.074366] Sending NMI from CPU 1 to CPUs 0: [32907.077480] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [32907.078309] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339469 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [32907.083751] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [32907.084959] rcu: rcu_sched kthread starved for 15002 jiffies! g339469 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [32907.086186] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [32907.087160] rcu: RCU grace-period kthread stack dump: [32907.088098] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [32907.089034] Call Trace: [32907.089950] <TASK> [32907.090876] __schedule+0x23d/0x590 [32907.091804] schedule+0x4e/0xc0 [32907.092731] schedule_timeout+0x87/0x140 [32907.093631] ? __bpf_trace_tick_stop+0x20/0x20 [32907.094525] rcu_gp_fqs_loop+0xe5/0x330 [32907.095402] rcu_gp_kthread+0xa7/0x130 [32907.096269] ? rcu_gp_init+0x5f0/0x5f0 [32907.097173] kthread+0x12a/0x150 [32907.098040] ? set_kthread_struct+0x50/0x50 [32907.098891] ret_from_fork+0x22/0x30 [32907.099759] </TASK> [32907.100599] rcu: Stack dump where RCU GP kthread last ran: [32907.101423] Sending NMI from CPU 1 to CPUs 0: [32907.102298] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33087.076178] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33087.076988] rcu: 0-...!: (0 ticks this GP) idle=770/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [33087.077752] (detected by 1, t=60007 jiffies, g=339469, q=4980) [33087.079970] Sending NMI from CPU 1 to CPUs 0: [33087.082000] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33087.082923] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339469 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33087.086526] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33087.087490] rcu: rcu_sched kthread starved for 45005 jiffies! g339469 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33087.088245] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33087.089024] rcu: RCU grace-period kthread stack dump: [33087.089799] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33087.090701] Call Trace: [33087.091595] <TASK> [33087.092463] __schedule+0x23d/0x590 [33087.093351] schedule+0x4e/0xc0 [33087.094150] schedule_timeout+0x87/0x140 [33087.094925] ? __bpf_trace_tick_stop+0x20/0x20 [33087.095704] rcu_gp_fqs_loop+0xe5/0x330 [33087.096590] rcu_gp_kthread+0xa7/0x130 [33087.097453] ? rcu_gp_init+0x5f0/0x5f0 [33087.098198] kthread+0x12a/0x150 [33087.098964] ? set_kthread_struct+0x50/0x50 [33087.099761] ret_from_fork+0x22/0x30 [33087.100502] </TASK> [33087.101186] rcu: Stack dump where RCU GP kthread last ran: [33087.101855] Sending NMI from CPU 1 to CPUs 0: [33087.102544] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33147.081021] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33147.081747] rcu: 0-...!: (0 ticks this GP) idle=884/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [33147.082426] (detected by 1, t=15002 jiffies, g=339473, q=5992) [33147.083144] Sending NMI from CPU 1 to CPUs 0: [33147.083899] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33147.084830] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339473 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33147.086851] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33147.087588] rcu: rcu_sched kthread starved for 15002 jiffies! g339473 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33147.088368] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33147.089176] rcu: RCU grace-period kthread stack dump: [33147.089947] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33147.090709] Call Trace: [33147.091463] <TASK> [33147.092241] __schedule+0x23d/0x590 [33147.092969] schedule+0x4e/0xc0 [33147.093692] schedule_timeout+0x87/0x140 [33147.094410] ? __bpf_trace_tick_stop+0x20/0x20 [33147.095141] rcu_gp_fqs_loop+0xe5/0x330 [33147.095881] rcu_gp_kthread+0xa7/0x130 [33147.096649] ? rcu_gp_init+0x5f0/0x5f0 [33147.097360] kthread+0x12a/0x150 [33147.098055] ? set_kthread_struct+0x50/0x50 [33147.098780] ret_from_fork+0x22/0x30 [33147.099463] </TASK> [33147.100156] rcu: Stack dump where RCU GP kthread last ran: [33147.100804] Sending NMI from CPU 1 to CPUs 0: [33147.101514] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33327.091939] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33327.094235] rcu: 0-...!: (0 ticks this GP) idle=bac/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [33327.096512] (detected by 1, t=60007 jiffies, g=339473, q=8311) [33327.098758] Sending NMI from CPU 1 to CPUs 0: [33327.101146] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33327.102058] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339473 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33327.108229] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33327.109665] rcu: rcu_sched kthread starved for 45005 jiffies! g339473 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33327.111089] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33327.112187] rcu: RCU grace-period kthread stack dump: [33327.113164] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33327.114173] Call Trace: [33327.115034] <TASK> [33327.115788] __schedule+0x23d/0x590 [33327.116548] schedule+0x4e/0xc0 [33327.117302] schedule_timeout+0x87/0x140 [33327.118062] ? __bpf_trace_tick_stop+0x20/0x20 [33327.118819] rcu_gp_fqs_loop+0xe5/0x330 [33327.119557] rcu_gp_kthread+0xa7/0x130 [33327.120284] ? rcu_gp_init+0x5f0/0x5f0 [33327.120994] kthread+0x12a/0x150 [33327.121689] ? set_kthread_struct+0x50/0x50 [33327.122426] ret_from_fork+0x22/0x30 [33327.123117] </TASK> [33327.123772] rcu: Stack dump where RCU GP kthread last ran: [33327.124418] Sending NMI from CPU 1 to CPUs 0: [33327.125112] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33387.096689] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33387.099051] rcu: 0-...!: (0 ticks this GP) idle=cc8/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [33387.101398] (detected by 1, t=15002 jiffies, g=339477, q=8413) [33387.103719] Sending NMI from CPU 1 to CPUs 0: [33387.105931] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33387.106831] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33387.110589] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33387.111627] rcu: rcu_sched kthread starved for 15002 jiffies! g339477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33387.112383] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33387.113148] rcu: RCU grace-period kthread stack dump: [33387.113919] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33387.114682] Call Trace: [33387.115475] <TASK> [33387.116259] __schedule+0x23d/0x590 [33387.117046] schedule+0x4e/0xc0 [33387.117828] schedule_timeout+0x87/0x140 [33387.118605] ? __bpf_trace_tick_stop+0x20/0x20 [33387.119382] rcu_gp_fqs_loop+0xe5/0x330 [33387.120166] rcu_gp_kthread+0xa7/0x130 [33387.120920] ? rcu_gp_init+0x5f0/0x5f0 [33387.121659] kthread+0x12a/0x150 [33387.122350] ? set_kthread_struct+0x50/0x50 [33387.123068] ret_from_fork+0x22/0x30 [33387.123799] </TASK> [33387.124483] rcu: Stack dump where RCU GP kthread last ran: [33387.125155] Sending NMI from CPU 1 to CPUs 0: [33387.125859] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33567.107272] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33567.108086] rcu: 0-...!: (0 ticks this GP) idle=ff8/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [33567.108782] (detected by 1, t=60007 jiffies, g=339477, q=8523) [33567.109471] Sending NMI from CPU 1 to CPUs 0: [33567.110180] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33567.110205] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33567.112387] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33567.113184] rcu: rcu_sched kthread starved for 45005 jiffies! g339477 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33567.113997] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33567.114835] rcu: RCU grace-period kthread stack dump: [33567.115616] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33567.116456] Call Trace: [33567.117284] <TASK> [33567.118105] __schedule+0x23d/0x590 [33567.118928] schedule+0x4e/0xc0 [33567.119758] schedule_timeout+0x87/0x140 [33567.120548] ? __bpf_trace_tick_stop+0x20/0x20 [33567.121340] rcu_gp_fqs_loop+0xe5/0x330 [33567.122137] rcu_gp_kthread+0xa7/0x130 [33567.123071] ? rcu_gp_init+0x5f0/0x5f0 [33567.123850] kthread+0x12a/0x150 [33567.124594] ? set_kthread_struct+0x50/0x50 [33567.125333] ret_from_fork+0x22/0x30 [33567.126093] </TASK> [33567.126838] rcu: Stack dump where RCU GP kthread last ran: [33567.127558] Sending NMI from CPU 1 to CPUs 0: [33567.128290] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33627.112252] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33627.114524] rcu: 0-...!: (0 ticks this GP) idle=12c/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [33627.116778] (detected by 1, t=15002 jiffies, g=339481, q=4061) [33627.118964] Sending NMI from CPU 1 to CPUs 0: [33627.121277] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33627.122219] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33627.127242] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33627.128561] rcu: rcu_sched kthread starved for 15002 jiffies! g339481 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33627.129605] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33627.130497] rcu: RCU grace-period kthread stack dump: [33627.131431] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33627.132336] Call Trace: [33627.133137] <TASK> [33627.133914] __schedule+0x23d/0x590 [33627.134697] schedule+0x4e/0xc0 [33627.135491] schedule_timeout+0x87/0x140 [33627.136266] ? __bpf_trace_tick_stop+0x20/0x20 [33627.137041] rcu_gp_fqs_loop+0xe5/0x330 [33627.137815] rcu_gp_kthread+0xa7/0x130 [33627.138555] ? rcu_gp_init+0x5f0/0x5f0 [33627.139304] kthread+0x12a/0x150 [33627.140026] ? set_kthread_struct+0x50/0x50 [33627.140753] ret_from_fork+0x22/0x30 [33627.141451] </TASK> [33627.142133] rcu: Stack dump where RCU GP kthread last ran: [33627.142774] Sending NMI from CPU 1 to CPUs 0: [33627.143520] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33687.117032] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33687.117692] rcu: 0-...!: (0 ticks this GP) idle=240/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [33687.118360] (detected by 1, t=15002 jiffies, g=339485, q=792) [33687.119007] Sending NMI from CPU 1 to CPUs 0: [33687.119749] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33687.120680] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33687.122730] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33687.123524] rcu: rcu_sched kthread starved for 15002 jiffies! g339485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33687.124318] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33687.125097] rcu: RCU grace-period kthread stack dump: [33687.125902] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33687.126703] Call Trace: [33687.127500] <TASK> [33687.128318] __schedule+0x23d/0x590 [33687.129116] schedule+0x4e/0xc0 [33687.129908] schedule_timeout+0x87/0x140 [33687.130745] ? __bpf_trace_tick_stop+0x20/0x20 [33687.131535] rcu_gp_fqs_loop+0xe5/0x330 [33687.132386] rcu_gp_kthread+0xa7/0x130 [33687.133149] ? rcu_gp_init+0x5f0/0x5f0 [33687.133902] kthread+0x12a/0x150 [33687.134638] ? set_kthread_struct+0x50/0x50 [33687.135370] ret_from_fork+0x22/0x30 [33687.136120] </TASK> [33687.136813] rcu: Stack dump where RCU GP kthread last ran: [33687.137500] Sending NMI from CPU 1 to CPUs 0: [33687.138285] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33867.127694] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33867.128396] rcu: 0-...!: (0 ticks this GP) idle=538/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [33867.129073] (detected by 1, t=60007 jiffies, g=339485, q=894) [33867.129719] Sending NMI from CPU 1 to CPUs 0: [33867.130464] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33867.130491] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33867.132521] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33867.133243] rcu: rcu_sched kthread starved for 45005 jiffies! g339485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33867.133982] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33867.134745] rcu: RCU grace-period kthread stack dump: [33867.135493] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33867.136269] Call Trace: [33867.137090] <TASK> [33867.137857] __schedule+0x23d/0x590 [33867.138674] schedule+0x4e/0xc0 [33867.139458] schedule_timeout+0x87/0x140 [33867.140238] ? __bpf_trace_tick_stop+0x20/0x20 [33867.141035] rcu_gp_fqs_loop+0xe5/0x330 [33867.141820] rcu_gp_kthread+0xa7/0x130 [33867.142602] ? rcu_gp_init+0x5f0/0x5f0 [33867.143354] kthread+0x12a/0x150 [33867.144085] ? set_kthread_struct+0x50/0x50 [33867.144812] ret_from_fork+0x22/0x30 [33867.145542] </TASK> [33867.146236] rcu: Stack dump where RCU GP kthread last ran: [33867.146933] Sending NMI from CPU 1 to CPUs 0: [33867.147763] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33927.132635] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [33927.133318] rcu: 0-...!: (0 ticks this GP) idle=654/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [33927.133978] (detected by 1, t=15002 jiffies, g=339489, q=740) [33927.134619] Sending NMI from CPU 1 to CPUs 0: [33927.135332] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [33927.136309] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [33927.138323] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [33927.139085] rcu: rcu_sched kthread starved for 15002 jiffies! g339489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [33927.139888] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [33927.140659] rcu: RCU grace-period kthread stack dump: [33927.141395] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [33927.142187] Call Trace: [33927.142968] <TASK> [33927.143794] __schedule+0x23d/0x590 [33927.144580] schedule+0x4e/0xc0 [33927.145354] schedule_timeout+0x87/0x140 [33927.146160] ? __bpf_trace_tick_stop+0x20/0x20 [33927.146908] rcu_gp_fqs_loop+0xe5/0x330 [33927.147650] rcu_gp_kthread+0xa7/0x130 [33927.148371] ? rcu_gp_init+0x5f0/0x5f0 [33927.149077] kthread+0x12a/0x150 [33927.149767] ? set_kthread_struct+0x50/0x50 [33927.150454] ret_from_fork+0x22/0x30 [33927.151133] </TASK> [33927.151792] rcu: Stack dump where RCU GP kthread last ran: [33927.152435] Sending NMI from CPU 1 to CPUs 0: [33927.153130] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34107.143372] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34107.145414] rcu: 0-...!: (0 ticks this GP) idle=958/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [34107.147516] (detected by 1, t=60007 jiffies, g=339489, q=843) [34107.149668] Sending NMI from CPU 1 to CPUs 0: [34107.152012] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34107.152867] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34107.156675] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34107.157822] rcu: rcu_sched kthread starved for 45005 jiffies! g339489 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34107.158981] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34107.159712] rcu: RCU grace-period kthread stack dump: [34107.160447] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34107.161207] Call Trace: [34107.161956] <TASK> [34107.162713] __schedule+0x23d/0x590 [34107.163467] schedule+0x4e/0xc0 [34107.164214] schedule_timeout+0x87/0x140 [34107.165048] ? __bpf_trace_tick_stop+0x20/0x20 [34107.165825] rcu_gp_fqs_loop+0xe5/0x330 [34107.166600] rcu_gp_kthread+0xa7/0x130 [34107.167353] ? rcu_gp_init+0x5f0/0x5f0 [34107.168126] kthread+0x12a/0x150 [34107.168850] ? set_kthread_struct+0x50/0x50 [34107.169571] ret_from_fork+0x22/0x30 [34107.170294] </TASK> [34107.170947] rcu: Stack dump where RCU GP kthread last ran: [34107.171620] Sending NMI from CPU 1 to CPUs 0: [34107.172354] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34167.148166] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34167.148854] rcu: 0-...!: (0 ticks this GP) idle=a64/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [34167.149539] (detected by 1, t=15002 jiffies, g=339493, q=825) [34167.150215] Sending NMI from CPU 1 to CPUs 0: [34167.150972] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34167.151899] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34167.153969] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34167.154714] rcu: rcu_sched kthread starved for 15002 jiffies! g339493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34167.155504] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34167.156280] rcu: RCU grace-period kthread stack dump: [34167.157058] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34167.157859] Call Trace: [34167.158650] <TASK> [34167.159459] __schedule+0x23d/0x590 [34167.160254] schedule+0x4e/0xc0 [34167.161039] schedule_timeout+0x87/0x140 [34167.161851] ? __bpf_trace_tick_stop+0x20/0x20 [34167.162605] rcu_gp_fqs_loop+0xe5/0x330 [34167.163393] rcu_gp_kthread+0xa7/0x130 [34167.164125] ? rcu_gp_init+0x5f0/0x5f0 [34167.164841] kthread+0x12a/0x150 [34167.165590] ? set_kthread_struct+0x50/0x50 [34167.166299] ret_from_fork+0x22/0x30 [34167.167013] </TASK> [34167.167685] rcu: Stack dump where RCU GP kthread last ran: [34167.168346] Sending NMI from CPU 1 to CPUs 0: [34167.169070] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34347.159098] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34347.163576] rcu: 0-...!: (0 ticks this GP) idle=d6a/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [34347.165841] (detected by 1, t=60007 jiffies, g=339493, q=955) [34347.168124] Sending NMI from CPU 1 to CPUs 0: [34347.170497] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34347.171412] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34347.176473] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34347.177835] rcu: rcu_sched kthread starved for 45005 jiffies! g339493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34347.178836] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34347.179849] rcu: RCU grace-period kthread stack dump: [34347.180798] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34347.181587] Call Trace: [34347.182355] <TASK> [34347.183131] __schedule+0x23d/0x590 [34347.183880] schedule+0x4e/0xc0 [34347.184623] schedule_timeout+0x87/0x140 [34347.185368] ? __bpf_trace_tick_stop+0x20/0x20 [34347.186160] rcu_gp_fqs_loop+0xe5/0x330 [34347.186897] rcu_gp_kthread+0xa7/0x130 [34347.187619] ? rcu_gp_init+0x5f0/0x5f0 [34347.188336] kthread+0x12a/0x150 [34347.189026] ? set_kthread_struct+0x50/0x50 [34347.189754] ret_from_fork+0x22/0x30 [34347.190435] </TASK> [34347.191087] rcu: Stack dump where RCU GP kthread last ran: [34347.191731] Sending NMI from CPU 1 to CPUs 0: [34347.192425] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34407.163845] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34407.166112] rcu: 0-...!: (0 ticks this GP) idle=e7a/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [34407.168371] (detected by 1, t=15002 jiffies, g=339497, q=838) [34407.170692] Sending NMI from CPU 1 to CPUs 0: [34407.173003] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34407.173907] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34407.178683] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34407.179735] rcu: rcu_sched kthread starved for 15002 jiffies! g339497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34407.180810] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34407.181746] rcu: RCU grace-period kthread stack dump: [34407.182496] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34407.183280] Call Trace: [34407.184053] <TASK> [34407.184806] __schedule+0x23d/0x590 [34407.185576] schedule+0x4e/0xc0 [34407.186328] schedule_timeout+0x87/0x140 [34407.187086] ? __bpf_trace_tick_stop+0x20/0x20 [34407.187995] rcu_gp_fqs_loop+0xe5/0x330 [34407.188739] rcu_gp_kthread+0xa7/0x130 [34407.189595] ? rcu_gp_init+0x5f0/0x5f0 [34407.190341] kthread+0x12a/0x150 [34407.191075] ? set_kthread_struct+0x50/0x50 [34407.191801] ret_from_fork+0x22/0x30 [34407.192517] </TASK> [34407.193203] rcu: Stack dump where RCU GP kthread last ran: [34407.193879] Sending NMI from CPU 1 to CPUs 0: [34407.194572] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34587.174533] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34587.176807] rcu: 0-...!: (0 ticks this GP) idle=186/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [34587.179131] (detected by 1, t=60007 jiffies, g=339497, q=984) [34587.181442] Sending NMI from CPU 1 to CPUs 0: [34587.183795] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34587.184714] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34587.190238] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34587.191693] rcu: rcu_sched kthread starved for 45005 jiffies! g339497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34587.192865] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34587.193890] rcu: RCU grace-period kthread stack dump: [34587.194912] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34587.195743] Call Trace: [34587.196495] <TASK> [34587.197284] __schedule+0x23d/0x590 [34587.198053] schedule+0x4e/0xc0 [34587.198835] schedule_timeout+0x87/0x140 [34587.199611] ? __bpf_trace_tick_stop+0x20/0x20 [34587.200387] rcu_gp_fqs_loop+0xe5/0x330 [34587.201216] rcu_gp_kthread+0xa7/0x130 [34587.201957] ? rcu_gp_init+0x5f0/0x5f0 [34587.202696] kthread+0x12a/0x150 [34587.203418] ? set_kthread_struct+0x50/0x50 [34587.204178] ret_from_fork+0x22/0x30 [34587.204894] </TASK> [34587.205585] rcu: Stack dump where RCU GP kthread last ran: [34587.206258] Sending NMI from CPU 1 to CPUs 0: [34587.206950] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34647.179423] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34647.181691] rcu: 0-...!: (0 ticks this GP) idle=28a/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [34647.183968] (detected by 1, t=15002 jiffies, g=339501, q=891) [34647.186380] Sending NMI from CPU 1 to CPUs 0: [34647.188753] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34647.189597] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339501 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34647.194326] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34647.195349] rcu: rcu_sched kthread starved for 15002 jiffies! g339501 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34647.196404] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34647.197354] rcu: RCU grace-period kthread stack dump: [34647.198167] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34647.198932] Call Trace: [34647.199707] <TASK> [34647.200530] __schedule+0x23d/0x590 [34647.201324] schedule+0x4e/0xc0 [34647.202185] schedule_timeout+0x87/0x140 [34647.202951] ? __bpf_trace_tick_stop+0x20/0x20 [34647.203698] rcu_gp_fqs_loop+0xe5/0x330 [34647.204436] rcu_gp_kthread+0xa7/0x130 [34647.205160] ? rcu_gp_init+0x5f0/0x5f0 [34647.205870] kthread+0x12a/0x150 [34647.206605] ? set_kthread_struct+0x50/0x50 [34647.207297] ret_from_fork+0x22/0x30 [34647.207979] </TASK> [34647.208661] rcu: Stack dump where RCU GP kthread last ran: [34647.209306] Sending NMI from CPU 1 to CPUs 0: [34647.210057] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34827.190031] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34827.190721] rcu: 0-...!: (0 ticks this GP) idle=58e/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [34827.191380] (detected by 1, t=60007 jiffies, g=339501, q=1046) [34827.192019] Sending NMI from CPU 1 to CPUs 0: [34827.192677] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34827.193648] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339501 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34827.195679] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34827.196419] rcu: rcu_sched kthread starved for 45005 jiffies! g339501 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34827.197187] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34827.197951] rcu: RCU grace-period kthread stack dump: [34827.198722] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34827.199518] Call Trace: [34827.200302] <TASK> [34827.201091] __schedule+0x23d/0x590 [34827.201878] schedule+0x4e/0xc0 [34827.202660] schedule_timeout+0x87/0x140 [34827.203446] ? __bpf_trace_tick_stop+0x20/0x20 [34827.204230] rcu_gp_fqs_loop+0xe5/0x330 [34827.205010] rcu_gp_kthread+0xa7/0x130 [34827.205762] ? rcu_gp_init+0x5f0/0x5f0 [34827.206499] kthread+0x12a/0x150 [34827.207219] ? set_kthread_struct+0x50/0x50 [34827.207951] ret_from_fork+0x22/0x30 [34827.208683] </TASK> [34827.209405] rcu: Stack dump where RCU GP kthread last ran: [34827.210077] Sending NMI from CPU 1 to CPUs 0: [34827.210774] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34887.194943] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [34887.197306] rcu: 0-...!: (0 ticks this GP) idle=692/0/0x0 softirq=164676/164676 fqs=0 (false positive?) [34887.199651] (detected by 1, t=15002 jiffies, g=339505, q=900) [34887.201971] Sending NMI from CPU 1 to CPUs 0: [34887.204327] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [34887.205244] rcu: rcu_sched kthread timer wakeup didn't happen for 15001 jiffies! g339505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [34887.209853] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [34887.210644] rcu: rcu_sched kthread starved for 15002 jiffies! g339505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [34887.211468] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [34887.212291] rcu: RCU grace-period kthread stack dump: [34887.213115] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [34887.214011] Call Trace: [34887.214802] <TASK> [34887.215582] __schedule+0x23d/0x590 [34887.216368] schedule+0x4e/0xc0 [34887.217192] schedule_timeout+0x87/0x140 [34887.217995] ? __bpf_trace_tick_stop+0x20/0x20 [34887.218794] rcu_gp_fqs_loop+0xe5/0x330 [34887.219561] rcu_gp_kthread+0xa7/0x130 [34887.220314] ? rcu_gp_init+0x5f0/0x5f0 [34887.221053] kthread+0x12a/0x150 [34887.221803] ? set_kthread_struct+0x50/0x50 [34887.222526] ret_from_fork+0x22/0x30 [34887.223238] </TASK> [34887.223928] rcu: Stack dump where RCU GP kthread last ran: [34887.224609] Sending NMI from CPU 1 to CPUs 0: [34887.225333] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [35067.205569] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: [35067.206256] rcu: 0-...!: (0 ticks this GP) idle=992/0/0x0 softirq=164676/164676 fqs=1 (false positive?) [35067.206934] (detected by 1, t=60007 jiffies, g=339505, q=1040) [35067.207619] Sending NMI from CPU 1 to CPUs 0: [35067.208378] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 [35067.209305] rcu: rcu_sched kthread timer wakeup didn't happen for 45004 jiffies! g339505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 [35067.211413] rcu: Possible timer handling issue on cpu=0 timer-softirq=238296 [35067.212162] rcu: rcu_sched kthread starved for 45005 jiffies! g339505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [35067.212985] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. [35067.213769] rcu: RCU grace-period kthread stack dump: [35067.214574] task:rcu_sched state:I stack: 0 pid: 13 ppid: 2 flags:0x00004000 [35067.215473] Call Trace: [35067.216288] <TASK> [35067.217104] __schedule+0x23d/0x590 [35067.217906] schedule+0x4e/0xc0 [35067.218699] schedule_timeout+0x87/0x140 [35067.219485] ? __bpf_trace_tick_stop+0x20/0x20 [35067.220311] rcu_gp_fqs_loop+0xe5/0x330 [35067.221125] rcu_gp_kthread+0xa7/0x130 [35067.221896] ? rcu_gp_init+0x5f0/0x5f0 [35067.222653] kthread+0x12a/0x150 [35067.223400] ? set_kthread_struct+0x50/0x50 [35067.224123] ret_from_fork+0x22/0x30 [35067.224850] </TASK> [35067.225564] rcu: Stack dump where RCU GP kthread last ran: [35067.226235] Sending NMI from CPU 1 to CPUs 0: [35067.227017] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xb/0x10 -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.