[BUG] Linux 2.6.24-rc2 - oom-killer gets invoked

From: Kamalesh Babulal
Date: Wed Nov 07 2007 - 02:17:56 EST


Hi,

oom-killer got invoked while running ltp-runall on the 2.6.24-rc2 kernel.

python invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0

Call Trace:
[<ffffffff8026b03b>] oom_kill_process+0x4f/0xf5
[<ffffffff8026b517>] out_of_memory+0x1bc/0x22d
[<ffffffff8026dfa2>] __alloc_pages+0x282/0x313
[<ffffffff804e453c>] __wait_on_bit_lock+0x5b/0x66
[<ffffffff8026fad8>] __do_page_cache_readahead+0x7c/0x18f
[<ffffffff8026a723>] filemap_fault+0x15d/0x317
[<ffffffff8027513e>] __do_fault+0x68/0x3bb
[<ffffffff80276d44>] handle_mm_fault+0x325/0x694
[<ffffffff804e739f>] do_page_fault+0x3c5/0x764
[<ffffffff802118c7>] arch_get_unmapped_area+0x184/0x1f9
[<ffffffff804e5939>] error_exit+0x0/0x51

Mem-info:
Node 0 DMA per-cpu:
CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0
CPU 1: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0
CPU 2: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0
CPU 3: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0, btch: 1 usd: 0
Node 0 DMA32 per-cpu:
CPU 0: Hot: hi: 186, btch: 31 usd: 29 Cold: hi: 62, btch: 15 usd: 14
CPU 1: Hot: hi: 186, btch: 31 usd: 95 Cold: hi: 62, btch: 15 usd: 52
CPU 2: Hot: hi: 186, btch: 31 usd: 33 Cold: hi: 62, btch: 15 usd: 51
CPU 3: Hot: hi: 186, btch: 31 usd: 101 Cold: hi: 62, btch: 15 usd: 50
Active:118809 inactive:124570 dirty:0 writeback:1882 unstable:0
free:2358 slab:2831 mapped:41 pagetables:2058 bounce:0
Node 0 DMA free:3972kB min:28kB low:32kB high:40kB active:996kB inactive:3036kB present:7552kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 992 992 992
Node 0 DMA32 free:177860kB min:4012kB low:5012kB high:6016kB active:408456kB inactive:388372kB present:1015864kB pages_scanned:640 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 57*4kB 39*8kB 25*16kB 10*32kB 2*64kB 3*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 5100kB
Node 0 DMA32: 1597*4kB 1029*8kB 544*16kB 348*32kB 296*64kB 363*128kB 305*256kB 253*512kB 134*1024kB 73*2048kB 0*4096kB = 594204kB
Swap cache: add 841053, delete 835135, find 529/803, race 0+0
Free swap = 1986640kB
Total swap = 2031640kB
Free swap: 1986640kB
262093 pages of RAM
6981 reserved pages
190 pages shared
5918 pages swap cached
Out of memory: kill process 23256 (mem01) score 46673 or a child
Killed process 23256 (mem01)


and during the bootup, following call trace was seen

sysctl table check failed: /net/token-ring .3.14 procname does not match binary path procname

Call Trace:
[<ffffffff8024dae9>] set_fail+0x3f/0x47
[<ffffffff8024dfbc>] sysctl_check_table+0x4cb/0x51e
[<ffffffff8024da9b>] sysctl_check_lookup+0xc9/0xd8
[<ffffffff8024dfca>] sysctl_check_table+0x4d9/0x51e
[<ffffffff8023d283>] sysctl_set_parent+0x1f/0x32
[<ffffffff808baf17>] sysctl_init+0x1e/0x22
[<ffffffff808aa656>] kernel_init+0x195/0x307
[<ffffffff8020cc88>] child_rip+0xa/0x12
[<ffffffff808aa4c1>] kernel_init+0x0/0x307
[<ffffffff8020cc7e>] child_rip+0x0/0x12

--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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