On Wed, 28 Nov 2007 16:45:04 +0530 Kamalesh Babulal <[email protected]> wrote:
> Hi,
>
> oom-killer gets invoked while running ltprunall on AMD Opteron box
>
> sleep invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
> Pid: 23477, comm: sleep Not tainted 2.6.24-rc3-git3-autokern1 #1
>
> Call Trace:
> [<ffffffff8026ac6b>] oom_kill_process+0x4f/0xf5
> [<ffffffff8026b147>] out_of_memory+0x1bc/0x22d
> [<ffffffff8026db44>] __alloc_pages+0x282/0x313
> [<ffffffff804e4a5c>] __wait_on_bit_lock+0x5b/0x66
> [<ffffffff8026f684>] __do_page_cache_readahead+0x7c/0x18f
> [<ffffffff8026a353>] filemap_fault+0x15d/0x317
> [<ffffffff80274d06>] __do_fault+0x68/0x3bb
> [<ffffffff804e5cb1>] _spin_unlock_irq+0x9/0xc
> [<ffffffff8027690a>] handle_mm_fault+0x325/0x694
> [<ffffffff804e78c1>] do_page_fault+0x3c5/0x764
> [<ffffffff8024c5b9>] hrtimer_try_to_cancel+0x5f/0x68
> [<ffffffff8024c5ce>] hrtimer_cancel+0xc/0x16
> [<ffffffff804e4e43>] do_nanosleep+0x4e/0x77
> [<ffffffff8024c73f>] hrtimer_nanosleep+0x58/0xf8
> [<ffffffff8024c301>] hrtimer_wakeup+0x0/0x21
> [<ffffffff804e5e59>] 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: 40 Cold: hi: 62, btch: 15 usd: 50
> CPU 1: Hot: hi: 186, btch: 31 usd: 24 Cold: hi: 62, btch: 15 usd: 24
> CPU 2: Hot: hi: 186, btch: 31 usd: 3 Cold: hi: 62, btch: 15 usd: 21
> CPU 3: Hot: hi: 186, btch: 31 usd: 163 Cold: hi: 62, btch: 15 usd: 45
> Active:122323 inactive:122411 dirty:0 writeback:1 unstable:0
> free:1979 slab:2772 mapped:10 pagetables:2062 bounce:0
> Node 0 DMA free:3988kB min:28kB low:32kB high:40kB active:2056kB inactive:2108kB present:7656kB pages_scanned:7201 all_unreclaimable? yes
> lowmem_reserve[]: 0 992 992 992
> Node 0 DMA32 free:4228kB min:4012kB low:5012kB high:6016kB active:489852kB inactive:485192kB present:1015864kB pages_scanned:70920 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0 0
> Node 0 DMA: 3*4kB 5*8kB 2*16kB 0*32kB 1*64kB 2*128kB 2*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3988kB
> Node 0 DMA32: 117*4kB 16*8kB 5*16kB 1*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4228kB
> Swap cache: add 815346, delete 815330, find 474/677, race 0+0
> Free swap = 0kB
> Total swap = 2031640kB
> Free swap: 0kB
> 262093 pages of RAM
> 6955 reserved pages
> 288 pages shared
> 40 pages swap cached
> Out of memory: kill process 23475 (mem01) score 46734 or a child
> Killed process 23475 (mem01)
>
It ran out of swapspace and killed the piggy process. There's no bug here.
Unless there's a memory leak. Check to see how much memory is free after
everything has been killed off.
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