Public bug reported:
Binary package hint: linux-image-2.6.22-14-generic
Ever since installing Ubuntu Gutsy 7.10 amd64 on a Intel P4 machine, I
see that the kernel is killing processes every night -- dmesg output is
full of seqeuences like these:
[55217.708860] printk: 66 messages suppressed.
[55217.708869] cron invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
[55217.708872]
[55217.708873] Call Trace:
[55217.708899] [<ffffffff80271a26>] out_of_memory+0x2b6/0x330
[55217.708930] [<ffffffff80273c68>] __alloc_pages+0x2f8/0x350
[55217.708970] [<ffffffff80275767>] __do_page_cache_readahead+0x107/0x2a0
[55217.708999] [<ffffffff80430dc8>] io_schedule+0x28/0x40
[55217.709029] [<ffffffff802b1c97>] mntput_no_expire+0x27/0xc0
[55217.709043] [<ffffffff802a4550>] link_path_walk+0x80/0xf0
[55217.709072] [<ffffffff80270b58>] filemap_nopage+0x238/0x2f0
[55217.709106] [<ffffffff8027ce94>] __handle_mm_fault+0x1c4/0xb60
[55217.709159] [<ffffffff8043478c>] do_page_fault+0x1fc/0x870
[55217.709212] [<ffffffff8029cd86>] sys_newstat+0x36/0x50
[55217.709245] [<ffffffff80432b1d>] error_exit+0x0/0x84
[55217.709299]
[55217.709301] Mem-info:
[55217.709304] Node 0 DMA per-cpu:
[55217.709308] CPU 0: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0,
btch: 1 usd: 0
[55217.709313] CPU 1: Hot: hi: 0, btch: 1 usd: 0 Cold: hi: 0,
btch: 1 usd: 0
[55217.709316] Node 0 DMA32 per-cpu:
[55217.709321] CPU 0: Hot: hi: 186, btch: 31 usd: 46 Cold: hi: 62,
btch: 15 usd: 26
[55217.709325] CPU 1: Hot: hi: 186, btch: 31 usd: 32 Cold: hi: 62,
btch: 15 usd: 49
[55217.709331] Active:226894 inactive:243957 dirty:0 writeback:0 unstable:0
[55217.709333] free:3482 slab:3968 mapped:22 pagetables:3324 bounce:0
[55217.709336] Node 0 DMA free:8000kB min:28kB low:32kB high:40kB active:2020kB
inactive:1720kB present:11276kB pages_scanned:12151 all_unreclaimable? yes
[55217.709344] lowmem_reserve[]: 0 1994 1994
[55217.709349] Node 0 DMA32 free:5928kB min:5700kB low:7124kB high:8548kB
active:905556kB inactive:974108kB present:2042752kB pages_scanned:3598243
all_unreclaimable? yes
[55217.709357] lowmem_reserve[]: 0 0 0
[55217.709362] Node 0 DMA: 0*4kB 0*8kB 0*16kB 2*32kB 0*64kB 0*128kB 1*256kB
1*512kB 1*1024kB 1*2048kB 1*4096kB = 8000kB
[55217.709376] Node 0 DMA32: 58*4kB 28*8kB 2*16kB 0*32kB 1*64kB 0*128kB 1*256kB
0*512kB 1*1024kB 0*2048kB 1*4096kB = 5928kB
[55217.709391] Swap cache: add 98564, delete 98564, find 13/18, race 0+0
[55217.709394] Free swap = 0kB
[55217.709396] Total swap = 393552kB
[55217.709398] Free swap: 0kB
[55217.735822] 521862 pages of RAM
[55217.735826] 8350 reserved pages
[55217.735828] 27266 pages shared
[55217.735830] 0 pages swap cached
[55217.741480] Out of memory: kill process 5103 (x-session-manag) score 146566
or a child
[55217.741491] Killed process 5275 (vino-session)
$ free
total used free shared buffers cached
Mem: 2054052 405460 1648592 0 61908 108164
-/+ buffers/cache: 235388 1818664
Swap: 393552 96408 297144
$ uname -a
Linux apenisoara 2.6.22-14-generic #1 SMP Sun Oct 14 21:45:15 GMT 2007 x86_64
GNU/Linux
$ cat /etc/*release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=7.10
DISTRIB_CODENAME=gutsy
DISTRIB_DESCRIPTION="Ubuntu 7.10"
Previously I had an Ubuntu Gutsy i386 install and never showed such issues. The
system has 2Gb of RAM and does not run any non-default software.
What can I do or how should I debug the problem in order to find out the root
cause ?
** Affects: linux-source-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
--
[Gutsy] kernel runs out of memory: Out of memory / invoked oom-killer
https://bugs.launchpad.net/bugs/162854
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