A similar oom-killer freeze happens to x86_64 laptop with no particular memory load. It happens only infrequently, although it seems to appear immediately after an apparmor warning.
% uname -a Linux ithaca 2.6.27-11-generic #1 SMP Thu Jan 29 19:28:32 UTC 2009 x86_64 GNU/Linux % cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=8.10 DISTRIB_CODENAME=intrepid DISTRIB_DESCRIPTION="Ubuntu 8.10" kern.log: Apr 1 19:45:28 ithaca kernel: [ 4748.957092] type=1503 audit(1238633060.027:8): operation="capable" name="sys_admin" pid=8559 profile="/usr/sbin/cupsd" Apr 1 19:45:28 ithaca kernel: [ 4748.957104] type=1503 audit(1238633060.027:9): operation="capable" name="sys_resource" pid=8559 profile="/usr/sbin/cupsd" Apr 1 19:45:28 ithaca kernel: [ 4748.957109] type=1503 audit(1238633060.027:10): operation="capable" name="sys_rawio" pid=8559 profile="/usr/sbin/cupsd" Apr 1 19:45:28 ithaca kernel: [ 4748.957202] type=1503 audit(1238633060.027:11): operation="capable" name="sys_resource" pid=8559 profile="/usr/sbin/named" Apr 1 19:45:28 ithaca kernel: [ 4748.957210] type=1503 audit(1238633060.027:12): operation="capable" name="sys_resource" pid=8559 profile="/usr/sbin/named" Apr 1 19:45:28 ithaca kernel: [ 4748.957216] type=1503 audit(1238633060.027:13): operation="capable" name="sys_resource" pid=8559 profile="/usr/sbin/named" Apr 1 19:45:28 ithaca kernel: [ 4748.957375] VBoxSVC invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0 Apr 1 19:45:28 ithaca kernel: [ 4748.957379] Pid: 8559, comm: VBoxSVC Not tainted 2.6.27-11-generic #1 Apr 1 19:45:28 ithaca kernel: [ 4748.957381] Apr 1 19:45:28 ithaca kernel: [ 4748.957381] Call Trace: Apr 1 19:45:28 ithaca kernel: [ 4748.957392] [<ffffffff802af80a>] oom_kill_process+0x9a/0x230 Apr 1 19:45:28 ithaca kernel: [ 4748.957395] [<ffffffff802afcef>] ? select_bad_process+0xef/0x130 Apr 1 19:45:31 ithaca kernel: [ 4748.957398] [<ffffffff802afec5>] out_of_memory+0x195/0x270 Apr 1 19:45:31 ithaca kernel: [ 4748.957402] [<ffffffff802b2d89>] __alloc_pages_internal+0x4d9/0x520 Apr 1 19:45:31 ithaca kernel: [ 4748.957407] [<ffffffff802d5c0d>] alloc_pages_current+0xad/0x110 Apr 1 19:45:31 ithaca kernel: [ 4748.957410] [<ffffffff802ac5a7>] __page_cache_alloc+0x67/0x80 Apr 1 19:45:31 ithaca kernel: [ 4748.957414] [<ffffffff802b64ec>] __do_page_cache_readahead+0xec/0x220 Apr 1 19:45:31 ithaca kernel: [ 4748.957417] [<ffffffff802ac6a0>] ? sync_page+0x0/0x70 Apr 1 19:45:31 ithaca kernel: [ 4748.957421] [<ffffffff802b6683>] do_page_cache_readahead+0x63/0x90 Apr 1 19:45:31 ithaca kernel: [ 4748.957424] [<ffffffff802adcda>] filemap_fault+0x34a/0x430 Apr 1 19:45:31 ithaca kernel: [ 4748.957428] [<ffffffff802c2204>] __do_fault+0x64/0x440 Apr 1 19:45:31 ithaca kernel: [ 4748.957433] [<ffffffff8026ad51>] ? lock_hrtimer_base+0x31/0x60 Apr 1 19:45:31 ithaca kernel: [ 4748.957436] [<ffffffff8026ae14>] ? hrtimer_try_to_cancel+0x44/0x90 Apr 1 19:45:31 ithaca kernel: [ 4748.957440] [<ffffffff802c319e>] handle_mm_fault+0x1ee/0x470 Apr 1 19:45:31 ithaca kernel: [ 4748.957444] [<ffffffff8050640f>] do_page_fault+0x34f/0x750 Apr 1 19:45:31 ithaca kernel: [ 4748.957448] [<ffffffff802744c9>] ? get_futex_key+0x19/0x160 Apr 1 19:45:31 ithaca kernel: [ 4748.957453] [<ffffffff8050367e>] ? _spin_lock+0xe/0x20 Apr 1 19:45:31 ithaca kernel: [ 4748.957455] [<ffffffff80275840>] ? futex_wake+0x100/0x130 Apr 1 19:45:31 ithaca kernel: [ 4748.957458] [<ffffffff80276c95>] ? do_futex+0x65/0x140 Apr 1 19:45:31 ithaca kernel: [ 4748.957461] [<ffffffff80276e2c>] ? s_futexsy+0xbc/0x150 Apr 1 19:45:31 ithaca kernel: [ 4748.957465] [<ffffffff80503aba>] error_exit+0x0/0x70 Apr 1 19:45:31 ithaca kernel: [ 4748.957467] Apr 1 19:45:31 ithaca kernel: [ 4748.957468] Mem-Info: Apr 1 19:45:31 ithaca kernel: [ 4748.957470] Node 0 DMA per-cpu: Apr 1 19:45:31 ithaca kernel: [ 4748.957473] CPU 0: hi: 0, btch: 1 usd: 0 Apr 1 19:45:31 ithaca kernel: [ 4748.957475] CPU 1: hi: 0, btch: 1 usd: 0 Apr 1 19:45:31 ithaca kernel: [ 4748.957477] Node 0 DMA32 per-cpu: Apr 1 19:45:31 ithaca kernel: [ 4748.957479] CPU 0: hi: 186, btch: 31 usd: 160 Apr 1 19:45:31 ithaca kernel: [ 4748.957481] CPU 1: hi: 186, btch: 31 usd: 155 Apr 1 19:45:31 ithaca kernel: [ 4748.957485] Active:694485 inactive:2563 dirty:1 writeback:0 unstable:0 Apr 1 19:45:31 ithaca kernel: [ 4748.957486] free:4088 slab:16287 mapped:91 pagetables:6823 bounce:0 Apr 1 19:45:31 ithaca kernel: [ 4748.957488] Node 0 DMA free:9416kB min:16kB low:20kB high:24kB active:0kB inactive:0kB present:8376kB pages_scanned:0 all_unreclaimable? yes Apr 1 19:45:31 ithaca kernel: [ 4748.957492] lowmem_reserve[]: 0 2999 2999 2999 Apr 1 19:45:31 ithaca kernel: [ 4748.957496] Node 0 DMA32 free:6936kB min:6996kB low:8744kB high:10492kB active:2777940kB inactive:10252kB present:3071184kB pages_scanned:491362 all_unreclaimable? no Apr 1 19:45:31 ithaca kernel: [ 4748.957501] lowmem_reserve[]: 0 0 0 0 Apr 1 19:45:31 ithaca kernel: [ 4748.957505] Node 0 DMA: 2*4kB 2*8kB 3*16kB 0*32kB 2*64kB 2*128kB 3*256kB 0*512kB 2*1024kB 1*2048kB 1*4096kB = 9416kB Apr 1 19:45:31 ithaca kernel: [ 4748.957516] Node 0 DMA32: 23*4kB 17*8kB 7*16kB 0*32kB 0*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 1*2048kB 1*4096kB = 6868kB Apr 1 19:45:31 ithaca kernel: [ 4748.957526] 4285 total pagecache pages Apr 1 19:45:31 ithaca kernel: [ 4748.957528] 0 pages in swap cache Apr 1 19:45:31 ithaca kernel: [ 4748.957530] Swap cache stats: add 0, delete 0, find 0/0 Apr 1 19:45:31 ithaca kernel: [ 4748.957532] Free swap = 0kB Apr 1 19:45:31 ithaca kernel: [ 4748.957533] Total swap = 0kB Apr 1 19:45:31 ithaca kernel: [ 4748.973142] 784064 pages RAM Apr 1 19:45:31 ithaca kernel: [ 4748.973144] 20158 pages reserved Apr 1 19:45:31 ithaca kernel: [ 4748.973146] 160548 pages shared Apr 1 19:45:31 ithaca kernel: [ 4748.973147] 599001 pages non-shared Apr 1 19:45:31 ithaca kernel: [ 4748.973151] Out of memory: kill process 8563 (VBoxSVC) score 1989836 or a child Apr 1 19:45:31 ithaca kernel: [ 4748.973195] Killed process 8569 (VirtualBox) Apr 1 19:45:31 ithaca kernel: [ 4811.933512] gnome-netstatus invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0 Apr 1 19:45:31 ithaca kernel: [ 4811.933521] Pid: 7821, comm: gnome-netstatus Not tainted 2.6.27-11-generic #1 Apr 1 19:45:31 ithaca kernel: [ 4811.933523] Apr 1 19:45:31 ithaca kernel: [ 4811.933524] Call Trace: Apr 1 19:45:31 ithaca kernel: [ 4811.933535] [<ffffffff802af80a>] oom_kill_process+0x9a/0x230 Apr 1 19:45:31 ithaca kernel: [ 4811.933538] [<ffffffff802afcef>] ? select_bad_process+0xef/0x130 Apr 1 19:45:31 ithaca kernel: [ 4811.933542] [<ffffffff802afec5>] out_of_memory+0x195/0x270 Apr 1 19:45:31 ithaca kernel: [ 4811.933546] [<ffffffff802b2d89>] __alloc_pages_internal+0x4d9/0x520 Apr 1 19:45:31 ithaca kernel: [ 4811.933551] [<ffffffff802d5c0d>] alloc_pages_current+0xad/0x110 Apr 1 19:45:31 ithaca kernel: [ 4811.933555] [<ffffffff802ac5a7>] __page_cache_alloc+0x67/0x80 Apr 1 19:45:31 ithaca kernel: [ 4811.933558] [<ffffffff802b64ec>] __do_page_cache_readahead+0xec/0x220 Apr 1 19:45:31 ithaca kernel: [ 4811.933561] [<ffffffff802ac6a0>] ? sync_page+0x0/0x70 Apr 1 19:45:31 ithaca kernel: [ 4811.933566] [<ffffffff802670a0>] ? wake_bit_function+0x0/0x50 Apr 1 19:45:31 ithaca kernel: [ 4811.933569] [<ffffffff802b6683>] do_page_cache_readahead+0x63/0x90 Apr 1 19:45:31 ithaca kernel: [ 4811.933572] [<ffffffff802adcda>] filemap_fault+0x34a/0x430 Apr 1 19:45:31 ithaca kernel: [ 4811.933577] [<ffffffff802c2204>] __do_fault+0x64/0x440 Apr 1 19:45:31 ithaca kernel: [ 4811.933581] [<ffffffff8030bbe3>] ? seq_printf+0x83/0xc0 Apr 1 19:45:31 ithaca kernel: [ 4811.933584] [<ffffffff802c319e>] handle_mm_fault+0x1ee/0x470 Apr 1 19:45:31 ithaca kernel: [ 4811.933589] [<ffffffff804655a7>] ? __dev_get_by_name+0xa7/0xd0 Apr 1 19:45:31 ithaca kernel: [ 4811.933593] [<ffffffff8050640f>] do_page_fault+0x34f/0x750 Apr 1 19:45:31 ithaca kernel: [ 4811.933598] [<ffffffff80502179>] ? mutex_unlock+0x9/0x20 Apr 1 19:45:31 ithaca kernel: [ 4811.933600] [<ffffffff8030be82>] ? seq_read+0x172/0x360 Apr 1 19:45:31 ithaca kernel: [ 4811.933603] [<ffffffff8030b4f6>] ? traverse+0x16/0x200 Apr 1 19:45:31 ithaca kernel: [ 4811.933606] [<ffffffff80502179>] ? mutex_unlock+0x9/0x20 Apr 1 19:45:31 ithaca kernel: [ 4811.933609] [<ffffffff8030bc8a>] ? seq_lseek+0x6a/0xf0 Apr 1 19:45:31 ithaca kernel: [ 4811.933612] [<ffffffff8050367e>] ? _spin_lock+0xe/0x20 Apr 1 19:45:31 ithaca kernel: [ 4811.933616] [<ffffffff803386fe>] ? pde_users_dec+0x4e/0x60 Apr 1 19:45:31 ithaca kernel: [ 4811.933618] [<ffffffff80338b50>] ? proc_reg_llseek+0x90/0xc0 Apr 1 19:45:31 ithaca kernel: [ 4811.933621] [<ffffffff8030bc20>] ? seq_lseek+0x0/0xf0 Apr 1 19:45:31 ithaca kernel: [ 4811.933625] [<ffffffff80503aba>] error_exit+0x0/0x70 Apr 1 19:45:31 ithaca kernel: [ 4811.933627] Apr 1 19:45:31 ithaca kernel: [ 4811.933628] Mem-Info: Apr 1 19:45:31 ithaca kernel: [ 4811.933630] Node 0 DMA per-cpu: Apr 1 19:45:31 ithaca kernel: [ 4811.933633] CPU 0: hi: 0, btch: 1 usd: 0 Apr 1 19:45:31 ithaca kernel: [ 4811.933635] CPU 1: hi: 0, btch: 1 usd: 0 Apr 1 19:45:31 ithaca kernel: [ 4811.933637] Node 0 DMA32 per-cpu: Apr 1 19:45:31 ithaca kernel: [ 4811.933639] CPU 0: hi: 186, btch: 31 usd: 159 Apr 1 19:45:31 ithaca kernel: [ 4811.933641] CPU 1: hi: 186, btch: 31 usd: 141 Apr 1 19:45:31 ithaca kernel: [ 4811.933645] Active:693822 inactive:3565 dirty:0 writeback:0 unstable:0 -- oom-killer kicks in while ~15G of ram are free, freezes server https://bugs.launchpad.net/bugs/306830 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
