Try tuning squid memory settings? Are you running latest kernel on centos?
30.12.2013 10.03 kirjoitti "Oguz Yilmaz" <oguzyilmazlist@xxxxxxxxx>:
> I have continous oom&panic situation unresolved. I am not sure system
> fills up all the ram (36GB). Why this system triggered this oom
> situation? Is it about some other memory? highmem? lowmem? stack size?
>
> Best Regards,
>
>
>
> Kernel 3.10.24
>
>
> Dec 27 09:19:05 2013 kernel: : [277622.359064] squid invoked
> oom-killer: gfp_mask=0x42d0, order=3, oom_score_adj=0
> Dec 27 09:19:05 2013 kernel: : [277622.359069] squid cpuset=/
> mems_allowed=0
> Dec 27 09:19:05 2013 kernel: : [277622.359074] CPU: 9 PID: 15533 Comm:
> squid Not tainted 3.10.24-1.lsg #1
> Dec 27 09:19:05 2013 kernel: : [277622.359076] Hardware name: Intel
> Thurley/Greencity, BIOS 080016 10/05/2011
> Dec 27 09:19:05 2013 kernel: : [277622.359078] 00000003 e377b280
> e03c3c38 c06472d6 e03c3c98 c04d2d96 c0a68f84 e377b580
> Dec 27 09:19:05 2013 kernel: : [277622.359089] 000042d0 00000003
> 00000000 e03c3c64 c04abbda e42bd318 00000000 e03c3cf4
> Dec 27 09:19:05 2013 kernel: : [277622.359096] 000042d0 00000001
> 00000247 00000000 e03c3c94 c04d3d5f 00000001 00000042
> Dec 27 09:19:05 2013 kernel: : [277622.359105] Call Trace:
> Dec 27 09:19:05 2013 kernel: : [277622.359116] [<c06472d6>]
> dump_stack+0x16/0x20
> Dec 27 09:19:05 2013 kernel: : [277622.359121] [<c04d2d96>]
> dump_header+0x66/0x1c0
> Dec 27 09:19:05 2013 kernel: : [277622.359127] [<c04abbda>] ?
> __delayacct_freepages_end+0x3a/0x40
> Dec 27 09:19:05 2013 kernel: : [277622.359131] [<c04d3d5f>] ?
> zone_watermark_ok+0x2f/0x40
> Dec 27 09:19:05 2013 kernel: : [277622.359135] [<c04d2f27>]
> check_panic_on_oom+0x37/0x60
> Dec 27 09:19:05 2013 kernel: : [277622.359138] [<c04d36d2>]
> out_of_memory+0x92/0x250
> Dec 27 09:19:05 2013 kernel: : [277622.359144] [<c04dd1fa>] ?
> wakeup_kswapd+0xda/0x120
> Dec 27 09:19:05 2013 kernel: : [277622.359148] [<c04d6cee>]
> __alloc_pages_nodemask+0x68e/0x6a0
> Dec 27 09:19:05 2013 kernel: : [277622.359155] [<c0801c1e>]
> sk_page_frag_refill+0x7e/0x120
> Dec 27 09:19:05 2013 kernel: : [277622.359160] [<c084b8c7>]
> tcp_sendmsg+0x387/0xbf0
> Dec 27 09:19:05 2013 kernel: : [277622.359166] [<c0469a2f>] ?
> put_prev_task_fair+0x1f/0x350
> Dec 27 09:19:05 2013 kernel: : [277622.359173] [<c0ba7d8b>] ?
> longrun_init+0x2b/0x30
> Dec 27 09:19:05 2013 kernel: : [277622.359177] [<c084b540>] ?
> tcp_tso_segment+0x380/0x380
> Dec 27 09:19:05 2013 kernel: : [277622.359182] [<c086d0da>]
> inet_sendmsg+0x4a/0xa0
> Dec 27 09:19:05 2013 kernel: : [277622.359186] [<c07ff3a6>]
> sock_aio_write+0x116/0x130
> Dec 27 09:19:05 2013 kernel: : [277622.359191] [<c0457acc>] ?
> hrtimer_try_to_cancel+0x3c/0xb0
> Dec 27 09:19:05 2013 kernel: : [277622.359197] [<c050b208>]
> do_sync_write+0x68/0xa0
> Dec 27 09:19:05 2013 kernel: : [277622.359202] [<c050caa0>]
> vfs_write+0x190/0x1b0
> Dec 27 09:19:05 2013 kernel: : [277622.359206] [<c050cbb3>]
> SyS_write+0x53/0x80
> Dec 27 09:19:05 2013 kernel: : [277622.359211] [<c08f72ba>]
> sysenter_do_call+0x12/0x22
> Dec 27 09:19:05 2013 kernel: : [277622.359213] Mem-Info:
> Dec 27 09:19:05 2013 kernel: : [277622.359215] DMA per-cpu:
> Dec 27 09:19:05 2013 kernel: : [277622.359218] CPU 0: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359220] CPU 1: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359222] CPU 2: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359224] CPU 3: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359226] CPU 4: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359228] CPU 5: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359230] CPU 6: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359232] CPU 7: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359234] CPU 8: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359236] CPU 9: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359238] CPU 10: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359240] CPU 11: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359242] CPU 12: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359244] CPU 13: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359246] CPU 14: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359248] CPU 15: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359250] CPU 16: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359253] CPU 17: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359255] CPU 18: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359258] CPU 19: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359260] CPU 20: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359262] CPU 21: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359264] CPU 22: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359266] CPU 23: hi: 0,
> btch: 1 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359268] Normal per-cpu:
> Dec 27 09:19:05 2013 kernel: : [277622.359270] CPU 0: hi: 186,
> btch: 31 usd: 34
> Dec 27 09:19:05 2013 kernel: : [277622.359272] CPU 1: hi: 186,
> btch: 31 usd: 72
> Dec 27 09:19:05 2013 kernel: : [277622.359274] CPU 2: hi: 186,
> btch: 31 usd: 40
> Dec 27 09:19:05 2013 kernel: : [277622.359276] CPU 3: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359279] CPU 4: hi: 186,
> btch: 31 usd: 39
> Dec 27 09:19:05 2013 kernel: : [277622.359281] CPU 5: hi: 186,
> btch: 31 usd: 49
> Dec 27 09:19:05 2013 kernel: : [277622.359283] CPU 6: hi: 186,
> btch: 31 usd: 50
> Dec 27 09:19:05 2013 kernel: : [277622.359285] CPU 7: hi: 186,
> btch: 31 usd: 25
> Dec 27 09:19:05 2013 kernel: : [277622.359286] CPU 8: hi: 186,
> btch: 31 usd: 42
> Dec 27 09:19:05 2013 kernel: : [277622.359289] CPU 9: hi: 186,
> btch: 31 usd: 39
> Dec 27 09:19:05 2013 kernel: : [277622.359290] CPU 10: hi: 186,
> btch: 31 usd: 155
> Dec 27 09:19:05 2013 kernel: : [277622.359293] CPU 11: hi: 186,
> btch: 31 usd: 56
> Dec 27 09:19:05 2013 kernel: : [277622.359295] CPU 12: hi: 186,
> btch: 31 usd: 2
> Dec 27 09:19:05 2013 kernel: : [277622.359297] CPU 13: hi: 186,
> btch: 31 usd: 162
> Dec 27 09:19:05 2013 kernel: : [277622.359299] CPU 14: hi: 186,
> btch: 31 usd: 67
> Dec 27 09:19:05 2013 kernel: : [277622.359301] CPU 15: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359303] CPU 16: hi: 186,
> btch: 31 usd: 68
> Dec 27 09:19:05 2013 kernel: : [277622.359305] CPU 17: hi: 186,
> btch: 31 usd: 38
> Dec 27 09:19:05 2013 kernel: : [277622.359307] CPU 18: hi: 186,
> btch: 31 usd: 56
> Dec 27 09:19:05 2013 kernel: : [277622.359308] CPU 19: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359310] CPU 20: hi: 186,
> btch: 31 usd: 54
> Dec 27 09:19:05 2013 kernel: : [277622.359312] CPU 21: hi: 186,
> btch: 31 usd: 35
> Dec 27 09:19:05 2013 kernel: : [277622.359314] CPU 22: hi: 186,
> btch: 31 usd: 2
> Dec 27 09:19:05 2013 kernel: : [277622.359316] CPU 23: hi: 186,
> btch: 31 usd: 60
> Dec 27 09:19:05 2013 kernel: : [277622.359318] HighMem per-cpu:
> Dec 27 09:19:05 2013 kernel: : [277622.359320] CPU 0: hi: 186,
> btch: 31 usd: 32
> Dec 27 09:19:05 2013 kernel: : [277622.359322] CPU 1: hi: 186,
> btch: 31 usd: 52
> Dec 27 09:19:05 2013 kernel: : [277622.359324] CPU 2: hi: 186,
> btch: 31 usd: 9
> Dec 27 09:19:05 2013 kernel: : [277622.359326] CPU 3: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359328] CPU 4: hi: 186,
> btch: 31 usd: 125
> Dec 27 09:19:05 2013 kernel: : [277622.359330] CPU 5: hi: 186,
> btch: 31 usd: 116
> Dec 27 09:19:05 2013 kernel: : [277622.359332] CPU 6: hi: 186,
> btch: 31 usd: 126
> Dec 27 09:19:05 2013 kernel: : [277622.359333] CPU 7: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359336] CPU 8: hi: 186,
> btch: 31 usd: 79
> Dec 27 09:19:05 2013 kernel: : [277622.359338] CPU 9: hi: 186,
> btch: 31 usd: 34
> Dec 27 09:19:05 2013 kernel: : [277622.359340] CPU 10: hi: 186,
> btch: 31 usd: 111
> Dec 27 09:19:05 2013 kernel: : [277622.359341] CPU 11: hi: 186,
> btch: 31 usd: 144
> Dec 27 09:19:05 2013 kernel: : [277622.359343] CPU 12: hi: 186,
> btch: 31 usd: 15
> Dec 27 09:19:05 2013 kernel: : [277622.359345] CPU 13: hi: 186,
> btch: 31 usd: 166
> Dec 27 09:19:05 2013 kernel: : [277622.359347] CPU 14: hi: 186,
> btch: 31 usd: 185
> Dec 27 09:19:05 2013 kernel: : [277622.359349] CPU 15: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359351] CPU 16: hi: 186,
> btch: 31 usd: 58
> Dec 27 09:19:05 2013 kernel: : [277622.359353] CPU 17: hi: 186,
> btch: 31 usd: 122
> Dec 27 09:19:05 2013 kernel: : [277622.359356] CPU 18: hi: 186,
> btch: 31 usd: 170
> Dec 27 09:19:05 2013 kernel: : [277622.359358] CPU 19: hi: 186,
> btch: 31 usd: 0
> Dec 27 09:19:05 2013 kernel: : [277622.359360] CPU 20: hi: 186,
> btch: 31 usd: 30
> Dec 27 09:19:05 2013 kernel: : [277622.359362] CPU 21: hi: 186,
> btch: 31 usd: 33
> Dec 27 09:19:05 2013 kernel: : [277622.359364] CPU 22: hi: 186,
> btch: 31 usd: 28
> Dec 27 09:19:05 2013 kernel: : [277622.359366] CPU 23: hi: 186,
> btch: 31 usd: 44
> Dec 27 09:19:05 2013 kernel: : [277622.359371] active_anon:658515
> inactive_anon:54399 isolated_anon:0
> Dec 27 09:19:05 2013 kernel: : [277622.359371] active_file:1172176
> inactive_file:323606 isolated_file:0
> Dec 27 09:19:05 2013 kernel: : [277622.359371] unevictable:0 dirty:0
> writeback:0 unstable:0
> Dec 27 09:19:05 2013 kernel: : [277622.359371] free:6911872
> slab_reclaimable:29430 slab_unreclaimable:34726
> Dec 27 09:19:05 2013 kernel: : [277622.359371] mapped:45784
> shmem:9850 pagetables:107714 bounce:0
> Dec 27 09:19:05 2013 kernel: : [277622.359371] free_cma:0
> Dec 27 09:19:05 2013 kernel: : [277622.359382] DMA free:2332kB
> min:36kB low:44kB high:52kB active_anon:0kB inactive_anon:0kB
> active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB
> isolated(file):0kB present:15968kB managed:6960kB mlocked:0kB
> dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:8kB
> slab_unreclaimable:288kB kernel_stack:0kB pagetables:0kB unstable:0kB
> bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0
> all_unreclaimable? yes
> Dec 27 09:19:05 2013 kernel: : [277622.359384] lowmem_reserve[]: 0 573
> 36539 36539
> Dec 27 09:19:05 2013 kernel: : [277622.359393] Normal free:114488kB
> min:3044kB low:3804kB high:4564kB active_anon:0kB inactive_anon:0kB
> active_file:252kB inactive_file:256kB unevictable:0kB
> isolated(anon):0kB isolated(file):0kB present:894968kB
> managed:587540kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB
> shmem:0kB slab_reclaimable:117712kB slab_unreclaimable:138616kB
> kernel_stack:11976kB pagetables:0kB unstable:0kB bounce:0kB
> free_cma:0kB writeback_tmp:0kB pages_scanned:982 all_unreclaimable?
> yes
> Dec 27 09:19:05 2013 kernel: : [277622.359395] lowmem_reserve[]: 0 0
> 287725 287725
> Dec 27 09:19:05 2013 kernel: : [277622.359404] HighMem free:27530668kB
> min:512kB low:48272kB high:96036kB active_anon:2634060kB
> inactive_anon:217596kB active_file:4688452kB inactive_file:1294168kB
> unevictable:0kB isolated(anon):0kB isolated(file):0kB
> present:36828872kB managed:36828872kB mlocked:0kB dirty:0kB
> writeback:0kB mapped:183132kB shmem:39400kB slab_reclaimable:0kB
> slab_unreclaimable:0kB kernel_stack:0kB pagetables:430856kB
> unstable:0kB bounce:367564104kB free_cma:0kB writeback_tmp:0kB
> pages_scanned:0 all_unreclaimable? no
> Dec 27 09:19:05 2013 kernel: : [277622.359406] lowmem_reserve[]: 0 0 0 0
> Dec 27 09:19:05 2013 kernel: : [277622.359410] DMA: 3*4kB (U) 2*8kB
> (U) 4*16kB (U) 5*32kB (U) 2*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB
> 1*2048kB (R) 0*4096kB = 2428kB
> Dec 27 09:19:05 2013 kernel: : [277622.359422] Normal: 5360*4kB (UEM)
> 3667*8kB (UEM) 3964*16kB (UEMR) 13*32kB (MR) 0*64kB 1*128kB (R)
> 1*256kB (R) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 115000kB
> Dec 27 09:19:05 2013 kernel: : [277622.359435] HighMem: 6672*4kB (M)
> 74585*8kB (UM) 40828*16kB (UM) 17275*32kB (UM) 3314*64kB (UM)
> 1126*128kB (UM) 992*256kB (UM) 585*512kB (UM) 225*1024kB (UM)
> 78*2048kB (UMR) 5957*4096kB (UM) = 27529128kB
> Dec 27 09:19:05 2013 kernel: : [277622.359452] Node 0
> hugepages_total=0 hugepages_free=0 hugepages_surp=0
> hugepages_size=2048kB
> Dec 27 09:19:05 2013 kernel: : [277622.359454] 1505509 total pagecache
> pages
> Dec 27 09:19:05 2013 kernel: : [277622.359457] 4 pages in swap cache
> Dec 27 09:19:05 2013 kernel: : [277622.359459] Swap cache stats: add
> 13, delete 9, find 0/0
> Dec 27 09:19:05 2013 kernel: : [277622.359460] Free swap = 35318812kB
> Dec 27 09:19:05 2013 kernel: : [277622.359462] Total swap = 35318864kB
> Dec 27 09:19:05 2013 kernel: : [277622.450529] 9699327 pages RAM
> Dec 27 09:19:05 2013 kernel: : [277622.450532] 9471490 pages HighMem
> Dec 27 09:19:05 2013 kernel: : [277622.450533] 342749 pages reserved
> Dec 27 09:19:05 2013 kernel: : [277622.450534] 2864256 pages shared
> Dec 27 09:19:05 2013 kernel: : [277622.450535] 1501243 pages non-shared
> Dec 27 09:19:05 2013 kernel: : [277622.450538] Kernel panic - not
> syncing: Out of memory: system-wide panic_on_oom is enabled
>
> Dec 27 09:19:05 2013 kernel: : [277622.450538]
>
>
>
> # cat /proc/meminfo
> MemTotal: 37426312 kB
> MemFree: 28328992 kB
> Buffers: 94728 kB
> Cached: 6216068 kB
> SwapCached: 0 kB
> Active: 6958572 kB
> Inactive: 1815380 kB
> Active(anon): 2329152 kB
> Inactive(anon): 170252 kB
> Active(file): 4629420 kB
> Inactive(file): 1645128 kB
> Unevictable: 0 kB
> Mlocked: 0 kB
> HighTotal: 36828872 kB
> HighFree: 28076144 kB
> LowTotal: 597440 kB
> LowFree: 252848 kB
> SwapTotal: 35318864 kB
> SwapFree: 35318860 kB
> Dirty: 0 kB
> Writeback: 8 kB
> AnonPages: 2463512 kB
> Mapped: 162296 kB
> Shmem: 36332 kB
> Slab: 208676 kB
> SReclaimable: 120872 kB
> SUnreclaim: 87804 kB
> KernelStack: 6320 kB
> PageTables: 42280 kB
> NFS_Unstable: 0 kB
> Bounce: 124 kB
> WritebackTmp: 0 kB
> CommitLimit: 54032020 kB
> Committed_AS: 3191916 kB
> VmallocTotal: 122880 kB
> VmallocUsed: 27088 kB
> VmallocChunk: 29312 kB
> HugePages_Total: 0
> HugePages_Free: 0
> HugePages_Rsvd: 0
> HugePages_Surp: 0
> Hugepagesize: 2048 kB
> DirectMap4k: 10232 kB
> DirectMap2M: 901120 kB
>
>
> sysctl:
>
> vm.oom_dump_tasks = 0
> vm.oom_kill_allocating_task = 1
> vm.panic_on_oom = 1
>
> vm.admin_reserve_kbytes = 8192
> 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.highmem_is_dirtyable = 0
> 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 32 32
> vm.max_map_count = 65530
> vm.min_free_kbytes = 3084
> vm.mmap_min_addr = 4096
> vm.nr_hugepages = 0
> vm.nr_overcommit_hugepages = 0
> vm.nr_pdflush_threads = 0
> vm.overcommit_memory = 0
> vm.overcommit_ratio = 50
> vm.page-cluster = 3
> vm.percpu_pagelist_fraction = 0
> vm.scan_unevictable_pages = 0
> vm.stat_interval = 1
> vm.swappiness = 30
> vm.user_reserve_kbytes = 131072
> vm.vdso_enabled = 1
> vm.vfs_cache_pressure = 100
>
> # ulimit -a
> core file size (blocks, -c) 0
> data seg size (kbytes, -d) unlimited
> scheduling priority (-e) 0
> file size (blocks, -f) unlimited
> pending signals (-i) 292370
> max locked memory (kbytes, -l) 64
> max memory size (kbytes, -m) unlimited
> open files (-n) 36728
> pipe size (512 bytes, -p) 8
> POSIX message queues (bytes, -q) 819200
> real-time priority (-r) 0
> stack size (kbytes, -s) 8192
> cpu time (seconds, -t) unlimited
> max user processes (-u) 292370
> virtual memory (kbytes, -v) unlimited
> file locks (-x) unlimited
> _______________________________________________
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