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Date: Thu, 17 Sep 2009 14:24:49 -0700 (PDT) From: David Rientjes <rientjes@...gle.com> To: Eric Paris <eparis@...hat.com> cc: Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org, Linus Torvalds <torvalds@...ux-foundation.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl> Subject: Re: kernel panic - not syncing: out of memory and no killable processes On Thu, 17 Sep 2009, Eric Paris wrote: > [ 14.625084] udevd invoked oom-killer: gfp_mask=0x200da, order=0, oomkilladj=-17 Order-0 GFP_HIGHUSER_MOVABLE allocation from a task that is OOM_DISABLE. > [ 14.627347] udevd cpuset=/ mems_allowed=0 > [ 14.628659] Pid: 776, comm: udevd Tainted: G W 2.6.31 #145 > [ 14.630408] Call Trace: > [ 14.631096] [<ffffffff81112ed5>] __out_of_memory+0x1d5/0x1f0 > [ 14.633489] [<ffffffff81113184>] ? out_of_memory+0x1e4/0x220 > [ 14.635323] [<ffffffff81113132>] out_of_memory+0x192/0x220 > [ 14.636307] [<ffffffff81117764>] __alloc_pages_nodemask+0x694/0x6b0 > [ 14.637785] [<ffffffff81149a42>] alloc_page_vma+0x82/0x140 > [ 14.638866] [<ffffffff811304fa>] do_wp_page+0x10a/0x960 Writing to a shared page, the source of GFP_HIGHUSER_MOVABLE. > [ 14.639935] [<ffffffff810ae666>] ? __lock_acquire+0x3c6/0x6d0 > [ 14.641074] [<ffffffff81130fd1>] ? handle_mm_fault+0x281/0x8d0 > [ 14.642203] [<ffffffff811313af>] handle_mm_fault+0x65f/0x8d0 > [ 14.643191] [<ffffffff81536095>] ? do_page_fault+0x1f5/0x470 > [ 14.644484] [<ffffffff81532aac>] ? _spin_unlock_irqrestore+0x5c/0xb0 > [ 14.645715] [<ffffffff81096166>] ? down_read_trylock+0x76/0x80 > [ 14.646862] [<ffffffff81536102>] do_page_fault+0x262/0x470 > [ 14.647941] [<ffffffff8153199e>] ? trace_hardirqs_off_thunk+0x3a/0x3c > [ 14.649149] [<ffffffff81533215>] page_fault+0x25/0x30 > [ 14.650257] Mem-Info: > [ 14.650932] Node 0 DMA per-cpu: > [ 14.651718] CPU 0: hi: 0, btch: 1 usd: 0 > [ 14.652670] CPU 1: hi: 0, btch: 1 usd: 0 > [ 14.653680] CPU 2: hi: 0, btch: 1 usd: 0 > [ 14.655669] CPU 3: hi: 0, btch: 1 usd: 0 > [ 14.659353] CPU 4: hi: 0, btch: 1 usd: 0 > [ 14.660280] CPU 5: hi: 0, btch: 1 usd: 0 > [ 14.661642] Node 0 DMA32 per-cpu: > [ 14.663063] CPU 0: hi: 186, btch: 31 usd: 108 > [ 14.664747] CPU 1: hi: 186, btch: 31 usd: 84 > [ 14.666423] CPU 2: hi: 186, btch: 31 usd: 162 > [ 14.668121] CPU 3: hi: 186, btch: 31 usd: 83 > [ 14.669731] CPU 4: hi: 186, btch: 31 usd: 129 > [ 14.671422] CPU 5: hi: 186, btch: 31 usd: 150 > [ 14.673172] Active_anon:27531 active_file:17 inactive_anon:2293 > [ 14.673174] inactive_file:18 unevictable:0 dirty:0 writeback:0 unstable:0 > [ 14.673175] free:1172 slab:77543 mapped:32 pagetables:1046 bounce:0 303MB of slab, which is well over half your system's total memory capacity. > [ 14.679168] Node 0 DMA free:2004kB min:76kB low:92kB high:112kB active_anon:12532kB inactive_anon:128kB active_file:0kB inactive_file:4kB unevictable:0kB present:14140kB pages_scanned:0 all_unreclaimable? no > [ 14.683444] lowmem_reserve[]: 0 483 483 483 > [ 14.684728] Node 0 DMA32 free:2684kB min:2772kB low:3464kB high:4156kB active_anon:97592kB inactive_anon:9044kB active_file:68kB inactive_file:68kB unevictable:0kB present:494944kB pages_scanned:650 all_unreclaimable? no > [ 14.688339] lowmem_reserve[]: 0 0 0 0 > [ 14.689330] Node 0 DMA: 8*4kB 2*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 0*2048kB 0*4096kB = 2000kB > [ 14.695062] Node 0 DMA32: 19*4kB 2*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 2684kB > [ 14.698175] 98 total pagecache pages > [ 14.699025] 0 pages in swap cache > [ 14.699968] Swap cache stats: add 0, delete 0, find 0/0 > [ 14.701026] Free swap = 0kB > [ 14.701786] Total swap = 0kB > [ 14.708232] 131056 pages RAM > [ 14.709022] 18283 pages reserved > [ 14.709803] 9774 pages shared > [ 14.710450] 109429 pages non-shared > [ 14.711298] [ pid ] uid tgid total_vm rss cpu oom_adj name > [ 14.712287] [ 1] 0 1 21723 43 5 0 init > [ 14.713833] [ 776] 0 776 3362 276 2 -17 udevd > [ 14.715017] [ 780] 0 780 3621 509 3 -17 udevd > [ 14.716186] [ 782] 0 782 3691 588 2 -17 udevd > [ 14.717174] [ 783] 0 783 3691 590 3 -17 udevd > [ 14.718516] [ 785] 0 785 3592 503 2 -17 udevd > [ 14.719962] [ 787] 0 787 3691 598 0 -17 udevd > [ 14.721166] [ 789] 0 789 3559 462 1 -17 udevd > [ 14.722152] [ 790] 0 790 3690 576 3 -17 udevd > [ 14.723558] [ 791] 0 791 3724 615 0 -17 udevd > [ 14.724900] [ 792] 0 792 3757 667 4 -17 udevd > [ 14.726116] [ 794] 0 794 3784 673 3 -17 udevd > [ 14.727101] [ 795] 0 795 3625 530 1 -17 udevd > [ 14.731047] [ 796] 0 796 3658 567 4 -17 udevd > [ 14.732241] [ 797] 0 797 3295 212 3 -17 udevd > [ 14.733226] [ 798] 0 798 3757 667 3 -17 udevd > [ 14.734582] [ 799] 0 799 3691 586 5 -17 udevd > [ 14.735852] [ 800] 0 800 3757 669 0 -17 udevd > [ 14.737066] [ 801] 0 801 3690 577 4 -17 udevd > [ 14.738243] [ 802] 0 802 3685 596 0 -17 udevd > [ 14.739231] [ 804] 0 804 3757 667 0 -17 udevd > [ 14.740665] [ 805] 0 805 3757 669 0 -17 udevd > [ 14.741946] [ 806] 0 806 3690 576 4 -17 udevd > [ 14.743151] [ 808] 0 808 3724 616 4 -17 udevd > [ 14.744138] [ 810] 0 810 3691 577 5 -17 udevd > [ 14.745583] [ 812] 0 812 3757 666 1 -17 udevd > [ 14.746832] [ 814] 0 814 3757 668 4 -17 udevd > [ 14.748017] [ 815] 0 815 3592 499 1 -17 udevd > [ 14.749172] [ 816] 0 816 3757 669 3 -17 udevd > [ 14.750161] [ 817] 0 817 3526 423 5 -17 udevd > [ 14.751534] [ 828] 0 828 3691 592 4 -17 udevd > [ 14.752859] [ 832] 0 832 3757 661 2 -17 udevd > [ 14.754063] [ 836] 0 836 3757 660 2 -17 udevd > [ 14.755267] [ 837] 0 837 3757 662 5 -17 udevd > [ 14.756255] [ 839] 0 839 3757 661 0 -17 udevd > [ 14.757634] [ 840] 0 840 3757 663 4 -17 udevd > [ 14.758921] [ 852] 0 852 3790 704 4 -17 udevd > [ 14.760091] [ 856] 0 856 3691 593 4 -17 udevd > [ 14.761079] [ 860] 0 860 3826 707 4 -17 udevd > [ 14.762403] [ 861] 0 861 3818 707 1 -17 udevd > [ 14.765543] [ 868] 0 868 3460 371 1 -17 udevd > [ 14.766766] [ 870] 0 870 3724 627 0 -17 udevd > [ 14.768009] [ 872] 0 872 3724 627 4 -17 udevd > [ 14.769186] [ 877] 0 877 3724 627 5 -17 udevd > [ 14.770175] [ 878] 0 878 3724 628 4 -17 udevd > [ 14.771487] [ 880] 0 880 3724 628 5 -17 udevd > [ 14.772752] [ 881] 0 881 3729 639 1 -17 udevd > [ 14.773932] [ 882] 0 882 3485 379 2 -17 udevd > [ 14.775106] [ 886] 0 886 3724 629 2 -17 udevd > [ 14.776093] [ 887] 0 887 3724 627 4 -17 udevd > [ 14.777412] [ 889] 0 889 3592 496 0 -17 udevd > [ 14.778400] [ 890] 0 890 3724 627 1 -17 udevd > [ 14.779826] [ 891] 0 891 3625 533 5 -17 udevd > [ 14.780980] [ 892] 0 892 3427 316 1 -17 udevd > [ 14.782156] [ 893] 0 893 3723 628 4 -17 udevd > [ 14.783144] [ 894] 0 894 3748 635 4 -17 udevd > [ 14.784467] [ 895] 0 895 3724 637 0 -17 udevd > [ 14.785669] [ 896] 0 896 3559 450 4 -17 udevd > [ 14.786911] [ 897] 0 897 3691 605 4 -17 udevd > [ 14.788076] [ 898] 0 898 3724 638 1 -17 udevd > [ 14.789064] [ 899] 0 899 3658 563 4 -17 udevd > [ 14.790377] [ 900] 0 900 2888 14 4 -17 devkit-disks-pa > [ 14.791775] [ 901] 0 901 3658 564 4 -17 udevd > [ 14.792949] [ 902] 0 902 3691 605 3 -17 udevd > [ 14.794120] [ 903] 0 903 1149 143 1 -17 modprobe > [ 14.795108] [ 904] 0 904 3493 388 0 -17 udevd > [ 14.796471] [ 905] 0 905 84 9 5 -17 console_check > [ 14.797862] [ 906] 0 906 3625 521 4 -17 udevd > [ 14.800984] [ 907] 0 907 827 9 4 -17 rename_device > [ 14.802262] [ 908] 0 908 3625 531 0 -17 udevd > [ 14.803250] [ 909] 0 909 3493 390 3 -17 udevd > [ 14.804579] [ 910] 0 910 3460 363 1 -17 udevd > [ 14.805851] [ 912] 0 912 3757 669 3 -17 udevd > [ 14.807011] [ 913] 0 913 3362 276 5 -17 udevd Looks udevd related, and you mentioned that this is the point where it always panics in your initial report. It doesn't appear to be a VM issue. Finding that change between next-20090911 and next-20090914 may be time consuming. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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