Re: Server stalls, all CPU 100% system time

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On 25/02/2013 12:13 AM, Bèrto ëd Sèra wrote:
and your /etc/sysctl.conf is?


/etc/sysctl.conf only had unrelated options set, here is the output of sysctl -a:

abi.vsyscall32 = 1
debug.exception-trace = 1
dev.hpet.max-user-freq = 64
kernel.acct = 4    2    30
kernel.acpi_video_flags = 0
kernel.auto_msgmni = 1
kernel.blk_iopoll = 1
kernel.cad_pid = 1
kernel.cap_last_cap = 35
kernel.compat-log = 1
kernel.core_pattern = core
kernel.core_pipe_limit = 0
kernel.core_uses_pid = 0
kernel.ctrl-alt-del = 0
kernel.dmesg_restrict = 0
kernel.hung_task_check_count = 4194304
kernel.hung_task_panic = 0
kernel.hung_task_timeout_secs = 0
kernel.hung_task_warnings = 10
kernel.io_delay_type = 0
kernel.keys.gc_delay = 300
kernel.keys.maxbytes = 20000
kernel.keys.maxkeys = 200
kernel.keys.root_maxbytes = 20000
kernel.keys.root_maxkeys = 200
kernel.kptr_restrict = 0
kernel.kstack_depth_to_print = 12
kernel.latencytop = 0
kernel.max_lock_depth = 1024
kernel.msgmax = 65536
kernel.msgmnb = 65536
kernel.msgmni = 32768
kernel.ngroups_max = 65536
kernel.nmi_watchdog = 1
kernel.ns_last_pid = 14714
kernel.osrelease = 3.4.6-2.10-desktop
kernel.ostype = Linux
kernel.overflowgid = 65534
kernel.overflowuid = 65534
kernel.panic = 0
kernel.panic_on_io_nmi = 0
kernel.panic_on_oops = 0
kernel.panic_on_unrecovered_nmi = 0
kernel.perf_event_max_sample_rate = 100000
kernel.perf_event_mlock_kb = 516
kernel.perf_event_paranoid = 1
kernel.pid_max = 32768
kernel.poweroff_cmd = /sbin/poweroff
kernel.print-fatal-signals = 0
kernel.printk = 1    4    1    7
kernel.printk_delay = 0
kernel.printk_ratelimit = 5
kernel.printk_ratelimit_burst = 10
kernel.random.boot_id = eaaed4b5-58cb-4f1d-be4a-62475d6ba312
kernel.random.entropy_avail = 2488
kernel.random.poolsize = 4096
kernel.random.read_wakeup_threshold = 64
kernel.random.uuid = bc40e670-c507-4b31-a310-f80eabda46b7
kernel.random.write_wakeup_threshold = 1024
kernel.randomize_va_space = 2
kernel.sched_autogroup_enabled = 1
kernel.sched_cfs_bandwidth_slice_us = 5000
kernel.sched_child_runs_first = 0
kernel.sched_domain.cpu0.domain0.busy_factor = 64
kernel.sched_domain.cpu0.domain0.busy_idx = 2
kernel.sched_domain.cpu0.domain0.cache_nice_tries = 1
kernel.sched_domain.cpu0.domain0.flags = 4655
kernel.sched_domain.cpu0.domain0.forkexec_idx = 0
kernel.sched_domain.cpu0.domain0.idle_idx = 0
kernel.sched_domain.cpu0.domain0.imbalance_pct = 125
kernel.sched_domain.cpu0.domain0.max_interval = 4
kernel.sched_domain.cpu0.domain0.min_interval = 1
kernel.sched_domain.cpu0.domain0.name = MC
kernel.sched_domain.cpu0.domain0.newidle_idx = 0
kernel.sched_domain.cpu0.domain0.wake_idx = 0
...
kernel.sched_latency_ns = 24000000
kernel.sched_migration_cost = 500000
kernel.sched_min_granularity_ns = 3000000
kernel.sched_nr_migrate = 32
kernel.sched_rt_period_us = 1000000
kernel.sched_rt_runtime_us = 950000
kernel.sched_shares_window = 10000000
kernel.sched_time_avg = 1000
kernel.sched_tunable_scaling = 1
kernel.sched_wakeup_granularity_ns = 4000000
kernel.sem = 250    256000    32    1024
kernel.shm_rmid_forced = 0
kernel.shmall = 1152921504606846720
kernel.shmmax = 18446744073709551615
kernel.shmmni = 4096
kernel.softlockup_panic = 0
kernel.suid_dumpable = 0
kernel.sysrq = 0
kernel.tainted = 1536
kernel.threads-max = 1032123
kernel.timer_migration = 1
kernel.unknown_nmi_panic = 0
kernel.usermodehelper.bset = 4294967295    4294967295
kernel.usermodehelper.inheritable = 4294967295    4294967295
kernel.version = #1 SMP PREEMPT Thu Jul 26 09:36:26 UTC 2012 (641c197)
kernel.watchdog = 1
kernel.watchdog_thresh = 10
vm.block_dump = 0
vm.dirty_background_bytes = 0
vm.dirty_background_ratio = 10
vm.dirty_bytes = 0
vm.dirty_expire_centisecs = 3000
vm.dirty_ratio = 20
vm.dirty_writeback_centisecs = 500
vm.drop_caches = 0
vm.extfrag_threshold = 500
vm.hugepages_treat_as_movable = 0
vm.hugetlb_shm_group = 0
vm.laptop_mode = 0
vm.legacy_va_layout = 0
vm.lowmem_reserve_ratio = 256    256    32
vm.max_map_count = 65530
vm.memory_failure_early_kill = 0
vm.memory_failure_recovery = 1
vm.min_free_kbytes = 67584
vm.min_slab_ratio = 5
vm.min_unmapped_ratio = 1
vm.mmap_min_addr = 65536
vm.nr_hugepages = 0
vm.nr_hugepages_mempolicy = 0
vm.nr_overcommit_hugepages = 0
vm.nr_pdflush_threads = 0
vm.numa_zonelist_order = default
vm.oom_dump_tasks = 1
vm.oom_kill_allocating_task = 0
vm.overcommit_memory = 0
vm.overcommit_ratio = 50
vm.page-cluster = 3
vm.panic_on_oom = 0
vm.percpu_pagelist_fraction = 0
vm.scan_unevictable_pages = 0
vm.stat_interval = 1
vm.swappiness = 60
vm.vfs_cache_pressure = 100
vm.zone_reclaim_mode = 0



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