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Date: Tue, 5 Jun 2012 01:13:48 +0800 From: Fengguang Wu <fengguang.wu@...el.com> To: Gleb Natapov <gleb@...hat.com> Cc: "kvm@...r.kernel.org" <kvm@...r.kernel.org>, Linux Memory Management List <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: kvm segfaults and bad page state in 3.4.0 On Mon, Jun 04, 2012 at 08:35:30PM +0800, Fengguang Wu wrote: > Hi Gleb, > > On Mon, Jun 04, 2012 at 02:56:50PM +0300, Gleb Natapov wrote: > > On Mon, Jun 04, 2012 at 07:46:03PM +0800, Fengguang Wu wrote: > > > Hi, > > > > > > I'm running lots of kvm instances for doing kernel boot tests. > > > Unfortunately the test system itself is not stable enough, I got scary > > > errors in both kvm and the host kernel. Like this. > > > > > What do you mean by "in both kvm and the host kernel". Do you have > > I mean the host side's kvm user space process and kernel seem to have problems. > > > similar Oopses inside your guests? If yes can you post one? > > There are all kinds of problems in the guest kernel, too. Probably I > built in too many modules (take a debian config and s/=m/=y/) and > enabled too many debug options. Many of the bugs I ran into have > already been reported by others in LKML. Here are more weird things. Two more boot errors.. storvsc device driver (from Microsoft..) bug: [ 108.445777] hv_vmbus: registering driver storvsc [ 108.498750] ------------[ cut here ]------------ [ 108.502649] kernel BUG at /c/kernel-tests/intel/drivers/base/driver.c:227! [ 108.502649] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 108.502649] CPU 0 [ 108.502649] Modules linked in: [ 108.502649] [ 108.502649] Pid: 1, comm: swapper/0 Not tainted 3.2.0-rt13+ #1 Bochs Bochs [ 108.502649] RIP: 0010:[<ffffffff8197f395>] [<ffffffff8197f395>] driver_register+0x24/0x116 [ 108.502649] RSP: 0018:ffff8800162c5e60 EFLAGS: 00010246 [ 108.502649] RAX: ffffffff84131c40 RBX: ffffffff8411e580 RCX: 0000000025232522 [ 108.502649] RDX: 0000000000000000 RSI: ffffffff82dac59f RDI: ffffffff8411e580 [ 108.502649] RBP: ffff8800162c5ea0 R08: 0000000000000002 R09: ffffffff84f32270 [ 108.502649] R10: 00000000ffffffff R11: 00000000ffffffff R12: 0000000000000000 [ 108.502649] R13: ffffffff83aeeeff R14: 0000000000000000 R15: 0000000000000000 [ 108.502649] FS: 0000000000000000(0000) GS:ffff880017400000(0000) knlGS:0000000000000000 [ 108.502649] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 108.502649] CR2: 0000000000000000 CR3: 0000000003e12000 CR4: 00000000000006f0 [ 108.502649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 108.502649] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 108.502649] Process swapper/0 (pid: 1, threadinfo ffff8800162c4000, task ffff8800162c0040) [ 108.502649] Stack: [ 108.502649] ffff8800162c5eb0 ffff8800162c5e70 ffff8800162c5e80 ffffffff8411e560 [ 108.502649] 0000000000000000 ffffffff83aeeeff 0000000000000000 0000000000000000 [ 108.502649] ffff8800162c5ed0 ffffffff827e3b18 ffffffff83e6eda8 ffffffff845d6460 [ 108.502649] Call Trace: [ 108.502649] [<ffffffff827e3b18>] __vmbus_driver_register+0x4a/0x5c [ 108.502649] [<ffffffff8445fcc4>] ? rtsx_init+0x29/0x29 [ 108.502649] [<ffffffff8445fcf9>] storvsc_drv_init+0x35/0x3f [ 108.502649] [<ffffffff81002099>] do_one_initcall+0x7f/0x13a [ 108.502649] [<ffffffff843e4caa>] kernel_init+0xce/0x148 [ 108.502649] [<ffffffff82db5604>] kernel_thread_helper+0x4/0x10 [ 108.502649] [<ffffffff82dac9b4>] ? retint_restore_args+0x13/0x13 [ 108.502649] [<ffffffff843e4bdc>] ? start_kernel+0x412/0x412 [ 108.502649] [<ffffffff82db5600>] ? gs_change+0x13/0x13 [ 108.502649] Code: 5c 41 5d 41 5e 5d c3 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 18 66 66 66 66 90 48 8b 47 08 48 89 fb 48 83 78 68 00 75 02 <0f> 0b 48 83 78 30 00 74 07 48 83 7f 30 00 75 1c 48 83 78 38 00 [ 108.502649] RIP [<ffffffff8197f395>] driver_register+0x24/0x116 [ 108.502649] RSP <ffff8800162c5e60> [ 110.913751] ---[ end trace 184c66c6768bd651 ]--- [ 110.967270] swapper/0 used greatest stack depth: 3688 bytes left [ 111.021415] Kernel panic - not syncing: Attempted to kill init! [ 111.075053] Pid: 1, comm: swapper/0 Tainted: G D 3.2.0-rt13+ #1 [ 111.130699] Call Trace: [ 111.185972] [<ffffffff82d5d34d>] panic+0xa0/0x1b3 [ 111.241642] [<ffffffff82dabdda>] ? _raw_write_unlock_irq+0x2e/0x47 [ 111.294939] [<ffffffff810a55f8>] do_exit+0x9b/0x7b7 [ 111.349523] [<ffffffff810a31cd>] ? kmsg_dump+0x82/0x135 [ 111.402315] [<ffffffff82dad653>] oops_end+0xaf/0xb8 [ 111.454034] [<ffffffff8104beb4>] die+0x5a/0x66 [ 111.505217] [<ffffffff82dad181>] do_trap+0x11a/0x129 [ 111.555117] [<ffffffff81049b4a>] do_invalid_op+0x98/0xa1 [ 111.603546] [<ffffffff8197f395>] ? driver_register+0x24/0x116 [ 111.651247] [<ffffffff810d2423>] ? trace_hardirqs_off_caller+0x3f/0x9e [ 111.700511] [<ffffffff816a457d>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 111.748561] [<ffffffff82dac9e4>] ? restore_args+0x30/0x30 [ 111.796413] [<ffffffff82db547b>] invalid_op+0x1b/0x20 [ 111.844369] [<ffffffff82dac59f>] ? _raw_spin_unlock_irqrestore+0x3e/0x61 [ 111.893537] [<ffffffff8197f395>] ? driver_register+0x24/0x116 [ 111.943061] [<ffffffff827e3b18>] __vmbus_driver_register+0x4a/0x5c [ 111.993386] [<ffffffff8445fcc4>] ? rtsx_init+0x29/0x29 [ 112.043646] [<ffffffff8445fcf9>] storvsc_drv_init+0x35/0x3f [ 112.093912] [<ffffffff81002099>] do_one_initcall+0x7f/0x13a [ 112.144693] [<ffffffff843e4caa>] kernel_init+0xce/0x148 [ 112.194717] [<ffffffff82db5604>] kernel_thread_helper+0x4/0x10 [ 112.243875] [<ffffffff82dac9b4>] ? retint_restore_args+0x13/0x13 [ 112.290508] [<ffffffff843e4bdc>] ? start_kernel+0x412/0x412 [ 112.336927] [<ffffffff82db5600>] ? gs_change+0x13/0x13 [ 112.382371] Rebooting in 10 seconds.. OOM when running udev net.agent (I suspect it's related to the new kernel, since I didn't upgrade udev etc. recently): [ 319.628759] VFS: Mounted root (nfs filesystem) on device 0:14. [ 319.720353] debug: unmapping init [mem 0xffffffff8442e000-0xffffffff8481cfff] [ 319.813146] Write protecting the kernel read-only data: 49152k [ 319.906961] debug: unmapping init [mem 0xffff880002f94000-0xffff880002ffffff] [ 319.999937] vhci_hcd: changed 0 [ 320.089325] debug: unmapping init [mem 0xffff880003f15000-0xffff880003ffffff] [ 320.747795] modprobe (2774) used greatest stack depth: 3432 bytes left [ 322.143880] ps (2839) used greatest stack depth: 2928 bytes left [ 322.824118] vhci_hcd: changed 0 [ 325.040195] vhci_hcd: changed 0 [ 325.284854] edd_id (2999) used greatest stack depth: 2832 bytes left [ 327.824190] vhci_hcd: changed 0 [ 328.604934] net.agent invoked oom-killer: gfp_mask=0x200da, order=0, oom_adj=-17, oom_score_adj=-1000 [ 328.604984] net.agent cpuset=/ mems_allowed=0 [ 328.604993] Pid: 3224, comm: net.agent Not tainted 3.5.0-rc1+ #2 [ 328.604994] Call Trace: [ 328.605003] [<ffffffff82f82d7b>] ? _raw_spin_unlock+0x28/0x3b [ 328.605007] [<ffffffff82ed6aa2>] dump_header+0x84/0xbe [ 328.605010] [<ffffffff82ed6b9d>] oom_kill_process.part.11+0x57/0x25f [ 328.605014] [<ffffffff81147005>] ? select_bad_process+0x124/0x163 [ 328.605016] [<ffffffff81147078>] oom_kill_process+0x34/0x36 [ 328.605018] [<ffffffff81147435>] out_of_memory+0x18c/0x1d3 [ 328.605021] [<ffffffff8114be87>] __alloc_pages_nodemask+0x5c2/0x762 [ 328.605024] [<ffffffff8116467d>] ? do_wp_page+0x2f0/0x523 [ 328.605028] [<ffffffff8117ce29>] alloc_pages_vma+0x12b/0x138 [ 328.605030] [<ffffffff811646d1>] do_wp_page+0x344/0x523 [ 328.605032] [<ffffffff81165f24>] ? handle_pte_fault+0x124/0x196 [ 328.605034] [<ffffffff81165f69>] handle_pte_fault+0x169/0x196 [ 328.605038] [<ffffffff81162c9d>] ? pmd_offset+0x14/0x3a [ 328.605040] [<ffffffff811662ef>] handle_mm_fault+0x1b1/0x1cb [ 328.605043] [<ffffffff82f866ba>] do_page_fault+0x36b/0x390 [ 328.605047] [<ffffffff816f537e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 328.605050] [<ffffffff81165f24>] ? handle_pte_fault+0x124/0x196 [ 328.605051] [<ffffffff81165f24>] ? handle_pte_fault+0x124/0x196 [ 328.605054] [<ffffffff82f83626>] ? error_sti+0x5/0x6 [ 328.605059] [<ffffffff8112a569>] ? time_hardirqs_off+0x26/0x29 [ 328.605061] [<ffffffff82f83626>] ? error_sti+0x5/0x6 [ 328.605108] [<ffffffff810e025a>] ? trace_hardirqs_off_caller+0x3f/0x9c [ 328.605111] [<ffffffff816f53bd>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 328.605114] [<ffffffff82f85fd4>] do_async_page_fault+0x31/0x5e [ 328.605117] [<ffffffff82f83405>] async_page_fault+0x25/0x30 [ 328.605118] Mem-Info: [ 328.605120] Node 0 DMA per-cpu: [ 328.605122] CPU 0: hi: 0, btch: 1 usd: 0 [ 328.605123] Node 0 DMA32 per-cpu: [ 328.605125] CPU 0: hi: 186, btch: 31 usd: 8 [ 328.605128] active_anon:9907 inactive_anon:226 isolated_anon:0 [ 328.605128] active_file:88 inactive_file:529 isolated_file:218 [ 328.605128] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.605128] free:990 slab_reclaimable:24607 slab_unreclaimable:22610 [ 328.605128] mapped:141 shmem:234 pagetables:2227 bounce:0 [ 328.605134] Node 0 DMA free:1540kB min:100kB low:124kB high:148kB active_anon:4484kB inactive_anon:220kB active_file:44kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15596kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:232kB slab_reclaimable:2656kB slab_unreclaimable:3824kB kernel_stack:216kB pagetables:1416kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:228 all_unreclaimable? yes [ 328.605138] lowmem_reserve[]: 0 362 362 362 [ 328.605143] Node 0 DMA32 free:2420kB min:2380kB low:2972kB high:3568kB active_anon:35144kB inactive_anon:684kB active_file:308kB inactive_file:2032kB unevictable:0kB isolated(anon):0kB isolated(file):872kB present:370932kB mlocked:0kB dirty:0kB writeback:0kB mapped:564kB shmem:704kB slab_reclaimable:95772kB slab_unreclaimable:86616kB kernel_stack:2456kB pagetables:7492kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:7770 all_unreclaimable? yes [ 328.605145] lowmem_reserve[]: 0 0 0 0 [ 328.605159] Node 0 DMA: 6*4kB 0*8kB 1*16kB 1*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 1544kB [ 328.605167] Node 0 DMA32: 39*4kB 21*8kB 3*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 2420kB [ 328.605168] 1015 total pagecache pages [ 328.605169] 0 pages in swap cache [ 328.605170] Swap cache stats: add 0, delete 0, find 0/0 [ 328.605171] Free swap = 0kB [ 328.605172] Total swap = 0kB [ 328.607241] 98285 pages RAM [ 328.607242] 22516 pages reserved [ 328.607243] 18715 pages shared [ 328.607243] 70493 pages non-shared [ 328.607245] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name [ 328.607270] [ 2775] 0 2775 2657 51 0 0 0 init [ 328.607274] [ 2776] 0 2776 2339 194 0 0 0 rc [ 328.607277] [ 2836] 0 2836 2347 208 0 0 0 S03udev [ 328.607280] [ 2860] 0 2860 5405 267 0 -17 -1000 udevd [ 328.607285] [ 2874] 0 2874 5371 236 0 -17 -1000 udevd [ 328.607288] [ 2876] 0 2876 5371 235 0 -17 -1000 udevd [ 328.607291] [ 2877] 0 2877 5371 243 0 -17 -1000 udevd [ 328.607294] [ 2878] 0 2878 5371 237 0 -17 -1000 udevd [ 328.607298] [ 2880] 0 2880 5371 235 0 -17 -1000 udevd [ 328.607302] [ 2881] 0 2881 5371 237 0 -17 -1000 udevd [ 328.607305] [ 2882] 0 2882 5371 235 0 -17 -1000 udevd [ 328.607309] [ 2883] 0 2883 5371 240 0 -17 -1000 udevd [ 328.607312] [ 2884] 0 2884 5371 237 0 -17 -1000 udevd [ 328.607316] [ 2885] 0 2885 5371 237 0 -17 -1000 udevd [ 328.607319] [ 2887] 0 2887 5371 242 0 -17 -1000 udevd [ 328.607322] [ 2888] 0 2888 5371 237 0 -17 -1000 udevd [ 328.607325] [ 2889] 0 2889 5371 235 0 -17 -1000 udevd [ 328.607329] [ 2890] 0 2890 5371 237 0 -17 -1000 udevd [ 328.607332] [ 2891] 0 2891 5371 235 0 -17 -1000 udevd [ 328.607345] [ 2893] 0 2893 5371 237 0 -17 -1000 udevd [ 328.607349] [ 2894] 0 2894 5371 235 0 -17 -1000 udevd [ 328.607353] [ 2895] 0 2895 5371 235 0 -17 -1000 udevd [ 328.607356] [ 2896] 0 2896 5371 235 0 -17 -1000 udevd [ 328.607359] [ 2897] 0 2897 5371 235 0 -17 -1000 udevd [ 328.607363] [ 2898] 0 2898 5371 235 0 -17 -1000 udevd [ 328.607366] [ 2899] 0 2899 5371 235 0 -17 -1000 udevd [ 328.607370] [ 2900] 0 2900 5371 235 0 -17 -1000 udevd [ 328.607373] [ 2901] 0 2901 5371 235 0 -17 -1000 udevd [ 328.607376] [ 2902] 0 2902 5371 235 0 -17 -1000 udevd [ 328.607380] [ 2903] 0 2903 5371 235 0 -17 -1000 udevd [ 328.607383] [ 2904] 0 2904 5371 235 0 -17 -1000 udevd [ 328.607386] [ 2905] 0 2905 5371 235 0 -17 -1000 udevd [ 328.607389] [ 2906] 0 2906 5371 235 0 -17 -1000 udevd [ 328.607393] [ 2907] 0 2907 5371 235 0 -17 -1000 udevd [ 328.607396] [ 2908] 0 2908 5372 238 0 -17 -1000 udevd [ 328.607400] [ 2909] 0 2909 5371 232 0 -17 -1000 udevd [ 328.607403] [ 2910] 0 2910 5371 232 0 -17 -1000 udevd [ 328.607406] [ 2911] 0 2911 5371 231 0 -17 -1000 udevd [ 328.607410] [ 2912] 0 2912 5371 227 0 -17 -1000 udevd [ 328.607413] [ 2913] 0 2913 5371 227 0 -17 -1000 udevd [ 328.607417] [ 2914] 0 2914 5371 227 0 -17 -1000 udevd [ 328.607419] [ 2915] 0 2915 5371 227 0 -17 -1000 udevd [ 328.607423] [ 2916] 0 2916 5371 227 0 -17 -1000 udevd [ 328.607426] [ 2917] 0 2917 5371 227 0 -17 -1000 udevd [ 328.607429] [ 2918] 0 2918 5371 227 0 -17 -1000 udevd [ 328.607432] [ 2919] 0 2919 5371 227 0 -17 -1000 udevd [ 328.607435] [ 2920] 0 2920 5371 227 0 -17 -1000 udevd [ 328.607438] [ 2921] 0 2921 5371 227 0 -17 -1000 udevd [ 328.607443] [ 2922] 0 2922 5371 227 0 -17 -1000 udevd [ 328.607447] [ 2923] 0 2923 5371 227 0 -17 -1000 udevd [ 328.607449] [ 2924] 0 2924 5371 227 0 -17 -1000 udevd [ 328.607452] [ 2925] 0 2925 5371 227 0 -17 -1000 udevd [ 328.607455] [ 2928] 0 2928 3169 98 0 0 0 udevadm [ 328.607459] [ 2929] 0 2929 5371 227 0 -17 -1000 udevd [ 328.607461] [ 2930] 0 2930 5371 227 0 -17 -1000 udevd [ 328.607465] [ 2931] 0 2931 5371 227 0 -17 -1000 udevd [ 328.607469] [ 2932] 0 2932 5371 227 0 -17 -1000 udevd [ 328.607474] [ 2933] 0 2933 5371 227 0 -17 -1000 udevd [ 328.607477] [ 2934] 0 2934 5371 227 0 -17 -1000 udevd [ 328.607480] [ 2935] 0 2935 5371 227 0 -17 -1000 udevd [ 328.607484] [ 2936] 0 2936 5371 227 0 -17 -1000 udevd [ 328.607487] [ 2937] 0 2937 5371 227 0 -17 -1000 udevd [ 328.607491] [ 2938] 0 2938 5371 227 0 -17 -1000 udevd [ 328.607494] [ 2939] 0 2939 5371 227 0 -17 -1000 udevd [ 328.607498] [ 2940] 0 2940 5371 227 0 -17 -1000 udevd [ 328.607501] [ 2941] 0 2941 5371 227 0 -17 -1000 udevd [ 328.607511] [ 2942] 0 2942 5371 227 0 -17 -1000 udevd [ 328.607515] [ 2943] 0 2943 5371 227 0 -17 -1000 udevd [ 328.607519] [ 2944] 0 2944 5371 227 0 -17 -1000 udevd [ 328.607522] [ 2945] 0 2945 5371 227 0 -17 -1000 udevd [ 328.607525] [ 2946] 0 2946 5371 227 0 -17 -1000 udevd [ 328.607529] [ 2947] 0 2947 5371 227 0 -17 -1000 udevd [ 328.607532] [ 2948] 0 2948 5371 229 0 -17 -1000 udevd [ 328.607537] [ 3055] 0 3055 4418 137 0 -17 -1000 net.agent [ 328.607541] [ 3056] 0 3056 4418 137 0 -17 -1000 net.agent [ 328.607544] [ 3059] 0 3059 1650 107 0 -17 -1000 ps [ 328.607548] [ 3060] 0 3060 1566 81 0 -17 -1000 grep [ 328.607551] [ 3062] 0 3062 1650 107 0 -17 -1000 ps [ 328.607554] [ 3063] 0 3063 1566 81 0 -17 -1000 grep [ 328.607558] [ 3096] 0 3096 4418 138 0 -17 -1000 net.agent [ 328.607561] [ 3101] 0 3101 4418 138 0 -17 -1000 net.agent [ 328.607565] [ 3102] 0 3102 4418 137 0 -17 -1000 net.agent [ 328.607568] [ 3103] 0 3103 4418 138 0 -17 -1000 net.agent [ 328.607572] [ 3111] 0 3111 4418 137 0 -17 -1000 net.agent [ 328.607576] [ 3113] 0 3113 4418 137 0 -17 -1000 net.agent [ 328.607580] [ 3117] 0 3117 4414 183 0 -17 -1000 net.agent [ 328.607583] [ 3118] 0 3118 4418 137 0 -17 -1000 net.agent [ 328.607587] [ 3119] 0 3119 4418 137 0 -17 -1000 net.agent [ 328.607590] [ 3120] 0 3120 4418 137 0 -17 -1000 net.agent [ 328.607593] [ 3121] 0 3121 4418 138 0 -17 -1000 net.agent [ 328.607596] [ 3122] 0 3122 4418 138 0 -17 -1000 net.agent [ 328.607600] [ 3123] 0 3123 4418 138 0 -17 -1000 net.agent [ 328.607603] [ 3124] 0 3124 4418 137 0 -17 -1000 net.agent [ 328.607606] [ 3125] 0 3125 4418 138 0 -17 -1000 net.agent [ 328.607609] [ 3126] 0 3126 4418 137 0 -17 -1000 net.agent [ 328.607613] [ 3127] 0 3127 4418 138 0 -17 -1000 net.agent [ 328.607616] [ 3129] 0 3129 4418 137 0 -17 -1000 net.agent [ 328.607620] [ 3130] 0 3130 1650 106 0 -17 -1000 ps [ 328.607624] [ 3131] 0 3131 1566 82 0 -17 -1000 grep [ 328.607627] [ 3135] 0 3135 4418 136 0 -17 -1000 net.agent [ 328.607630] [ 3136] 0 3136 4418 137 0 -17 -1000 net.agent [ 328.607635] [ 3137] 0 3137 4414 182 0 -17 -1000 net.agent [ 328.607638] [ 3139] 0 3139 4414 183 0 -17 -1000 net.agent [ 328.607641] [ 3143] 0 3143 1616 84 0 -17 -1000 ps [ 328.607645] [ 3144] 0 3144 1566 81 0 -17 -1000 grep [ 328.607649] [ 3145] 0 3145 4418 137 0 -17 -1000 net.agent [ 328.607652] [ 3146] 0 3146 4414 183 0 -17 -1000 net.agent [ 328.607654] [ 3150] 0 3150 4410 177 0 -17 -1000 net.agent [ 328.607658] [ 3151] 0 3151 4418 137 0 -17 -1000 net.agent [ 328.607661] [ 3152] 0 3152 4408 175 0 -17 -1000 net.agent [ 328.607665] [ 3153] 0 3153 4402 149 0 -17 -1000 net.agent [ 328.607675] [ 3154] 0 3154 4418 137 0 -17 -1000 net.agent [ 328.607680] [ 3155] 0 3155 2296 132 0 -17 -1000 net.agent [ 328.607682] [ 3156] 0 3156 1616 83 0 -17 -1000 ps [ 328.607685] [ 3157] 0 3157 1616 84 0 -17 -1000 ps [ 328.607689] [ 3158] 0 3158 1564 51 0 -17 -1000 grep [ 328.607692] [ 3164] 0 3164 1616 70 0 -17 -1000 ps [ 328.607697] [ 3165] 0 3165 1566 81 0 -17 -1000 grep [ 328.607700] [ 3166] 0 3166 1616 83 0 -17 -1000 ps [ 328.607704] [ 3167] 0 3167 1566 81 0 -17 -1000 grep [ 328.607707] [ 3169] 0 3169 1566 82 0 -17 -1000 grep [ 328.607711] [ 3170] 0 3170 2293 120 0 -17 -1000 net.agent [ 328.607714] [ 3171] 0 3171 2292 108 0 -17 -1000 net.agent [ 328.607718] [ 3172] 0 3172 2848 136 0 -17 -1000 net.agent [ 328.607721] [ 3173] 0 3173 2292 104 0 -17 -1000 net.agent [ 328.607725] [ 3175] 0 3175 4418 136 0 -17 -1000 net.agent [ 328.607728] [ 3176] 0 3176 2328 135 0 -17 -1000 net.agent [ 328.607731] [ 3177] 0 3177 1616 83 0 -17 -1000 ps [ 328.607734] [ 3178] 0 3178 1566 81 0 -17 -1000 grep [ 328.607738] [ 3179] 0 3179 4418 136 0 -17 -1000 net.agent [ 328.607741] [ 3183] 0 3183 1616 83 0 -17 -1000 ps [ 328.607745] [ 3184] 0 3184 1566 81 0 -17 -1000 grep [ 328.607748] [ 3185] 0 3185 2292 107 0 -17 -1000 net.agent [ 328.607751] [ 3186] 0 3186 4418 136 0 -17 -1000 net.agent [ 328.607754] [ 3188] 0 3188 4418 137 0 -17 -1000 net.agent [ 328.607758] [ 3189] 0 3189 1616 69 0 -17 -1000 ps [ 328.607761] [ 3190] 0 3190 1566 82 0 -17 -1000 grep [ 328.607764] [ 3191] 0 3191 1611 31 0 -17 -1000 ps [ 328.607768] [ 3192] 0 3192 1566 82 0 -17 -1000 grep [ 328.607771] [ 3193] 0 3193 4418 137 0 -17 -1000 net.agent [ 328.607775] [ 3194] 0 3194 3384 138 0 -17 -1000 net.agent [ 328.607778] [ 3195] 0 3195 4418 136 0 -17 -1000 net.agent [ 328.607782] [ 3196] 0 3196 159 28 0 -17 -1000 ps [ 328.607785] [ 3197] 0 3197 1566 82 0 -17 -1000 grep [ 328.607789] [ 3198] 0 3198 2320 63 0 -17 -1000 net.agent [ 328.607793] [ 3199] 0 3199 111 21 0 -17 -1000 grep [ 328.607796] [ 3200] 0 3200 1616 84 0 -17 -1000 ps [ 328.607800] [ 3201] 0 3201 1566 82 0 -17 -1000 grep [ 328.607803] [ 3202] 0 3202 4418 137 0 -17 -1000 net.agent [ 328.607806] [ 3203] 0 3203 4418 137 0 -17 -1000 net.agent [ 328.607809] [ 3204] 0 3204 4418 99 0 -17 -1000 net.agent [ 328.607812] [ 3205] 0 3205 2293 110 0 -17 -1000 net.agent [ 328.607815] [ 3206] 0 3206 1616 83 0 -17 -1000 ps [ 328.607818] [ 3207] 0 3207 142 27 0 -17 -1000 grep [ 328.607822] [ 3208] 0 3208 159 29 0 -17 -1000 ps [ 328.607826] [ 3209] 0 3209 658 29 0 -17 -1000 grep [ 328.607829] [ 3210] 0 3210 1566 79 0 -17 -1000 grep [ 328.607833] [ 3211] 0 3211 4418 135 0 -17 -1000 net.agent [ 328.607842] [ 3212] 0 3212 1614 51 0 -17 -1000 ps [ 328.607846] [ 3213] 0 3213 1566 81 0 -17 -1000 grep [ 328.607849] [ 3214] 0 3214 1561 31 0 -17 -1000 grep [ 328.607852] [ 3215] 0 3215 1561 32 0 -17 -1000 grep [ 328.607855] [ 3216] 0 3216 109 3 0 -17 -1000 grep [ 328.607860] [ 3217] 0 3217 4418 78 0 -17 -1000 net.agent [ 328.607864] [ 3218] 0 3218 4414 80 0 -17 -1000 net.agent [ 328.607867] [ 3219] 0 3219 126 15 0 -17 -1000 ps [ 328.607870] [ 3220] 0 3220 658 30 0 -17 -1000 grep [ 328.607873] [ 3221] 0 3221 126 2 0 -17 -1000 ps [ 328.607876] [ 3222] 0 3222 1561 32 0 -17 -1000 grep [ 328.607879] [ 3223] 0 3223 4418 134 0 -17 -1000 net.agent [ 328.607882] [ 3224] 0 3224 4418 75 0 -17 -1000 net.agent [ 328.607885] [ 3225] 0 3225 4418 75 0 -17 -1000 net.agent [ 328.607888] [ 3226] 0 3226 4414 71 0 -17 -1000 net.agent [ 328.607891] [ 3227] 0 3227 4418 99 0 -17 -1000 net.agent [ 328.607895] [ 3228] 0 3228 1561 31 0 -17 -1000 grep [ 328.607898] [ 3229] 0 3229 4418 77 0 -17 -1000 net.agent [ 328.607902] [ 3230] 0 3230 4418 77 0 -17 -1000 net.agent [ 328.607905] [ 3231] 0 3231 5371 188 0 -17 -1000 udevd [ 328.607908] [ 3232] 0 3232 4418 76 0 -17 -1000 net.agent [ 328.607911] [ 3233] 0 3233 4414 77 0 -17 -1000 net.agent [ 328.607914] [ 3234] 0 3234 4418 74 0 -17 -1000 net.agent [ 328.607918] [ 3235] 0 3235 4418 75 0 -17 -1000 net.agent [ 328.607921] [ 3236] 0 3236 4414 69 0 -17 -1000 net.agent [ 328.607923] Out of memory: Kill process 2836 (S03udev) score 56684993 or sacrifice child [ 328.607928] Killed process 2928 (udevadm) total-vm:12676kB, anon-rss:144kB, file-rss:248kB [ 379.158018] vhci_hcd: changed 0 [ 379.961613] grep invoked oom-killer: gfp_mask=0x280da, order=0, oom_adj=-17, oom_score_adj=-1000 [ 379.961617] grep cpuset=/ mems_allowed=0 [ 379.961620] Pid: 3246, comm: grep Not tainted 3.5.0-rc1+ #2 Thanks, Fengguang -- 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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