[juneau-lug] Re: 655 days

  • From: "larry talley" <larryt@xxxxxxx>
  • To: juneau-lug@xxxxxxxxxxxxx
  • Date: Sun, 30 Mar 2008 18:18:54 -0800

Jamie, I had similar symptoms once on a work server running JBoss, I
documented the occurrence, some web resources, and my response at:

http://elandingstest.alaska.gov/confluence//x/TYJB

Larry

On Sat, Mar 29, 2008 at 11:07 AM, Jamie <jamie@xxxxxxxxxxxxxxxxx> wrote:
> My home server went down yesterday after being up for 655 days.  Or
>  rather I re-booted it after it became non-responsive.  It was running
>  Fedora Core 5 with a 2.6.17 kernel.
>
>  It started when I saw the newspaper had printed the web site name of the
>  site I had been hosting for the kids school project.  So I thought I'd
>  better add a log file to more easily monitor the usage.  Maybe my
>  problem was caused by using both ssh and vnc simultaneously?  And this
>  web site itself is a wiki and I had been updating it.  After changing
>  httpd.conf, but before I could give apache a restart, it slowed to
>  non-responsive.  On the physical box, after plugging in a monitor &
>  keyboard (it runs headless), I was unable to login.  The active screen
>  showed a lot of "out of memory' errors.
>
>  After re-booting everything seems to be normal.  I'm still curious what
>  triggered this failure.  Any ideas?  Following is a partial message file:
>
>  Mar 28 17:08:36 jb7 kernel: oom-killer: gfp_mask=0x201d2, order=0
>  Mar 28 17:08:36 jb7 kernel:  <c0442717> out_of_memory+0x2d/0x11e
>  <c0444349> __alloc_pages+0x212/0x29c
>  Mar 28 17:08:36 jb7 kernel:  <c0445571>
>  __do_page_cache_readahead+0xba/0x28e  <c0418857> __wake_up+0x2a/0x3d
>  Mar 28 17:08:36 jb7 kernel:  <d8855a95> dm_any_congested+0x2f/0x35
>  [dm_mod]  <c0441d3c> filemap_nopage+0x130/0x2f8
>  Mar 28 17:08:36 jb7 kernel:  <c04d869a> copy_to_user+0x54/0x6a
>  <c044b04a> __handle_mm_fault+0x277/0x7ed
>  Mar 28 17:08:36 jb7 kernel:  <c0603938> do_page_fault+0x22d/0x5ad
>  <c060370b> do_page_fault+0x0/0x5ad
>  Mar 28 17:08:36 jb7 kernel:  <c04037df> error_code+0x4f/0x54
>  Mar 28 17:08:36 jb7 kernel: Mem-info:
>  Mar 28 17:08:36 jb7 kernel: DMA per-cpu:
>  Mar 28 17:08:36 jb7 kernel: cpu 0 hot: high 0, batch 1 used:0
>  Mar 28 17:08:36 jb7 kernel: cpu 0 cold: high 0, batch 1 used:0
>  Mar 28 17:08:36 jb7 kernel: DMA32 per-cpu: empty
>  Mar 28 17:08:38 jb7 kernel: Normal per-cpu:
>  Mar 28 17:08:51 jb7 kernel: cpu 0 hot: high 186, batch 31 used:90
>  Mar 28 17:09:14 jb7 kernel: cpu 0 cold: high 62, batch 15 used:15
>  Mar 28 17:09:20 jb7 kernel: HighMem per-cpu: empty
>  Mar 28 17:09:21 jb7 kernel: Free pages:        3968kB (0kB HighMem)
>  Mar 28 17:09:24 jb7 kernel: Active:40860 inactive:46139 dirty:0
>  writeback:15 unstable:0 free:992 slab:4222 mapped:86324 pagetables:2173
>  Mar 28 17:09:25 jb7 kernel: DMA free:1572kB min:104kB low:128kB
>  high:156kB active:5028kB inactive:4768kB present:16384kB pages_scanned:0 al
>  l_unreclaimable? no
>  Mar 28 17:09:27 jb7 kernel: lowmem_reserve[]: 0 0 367 367
>  Mar 28 17:09:28 jb7 kernel: DMA32 free:0kB min:0kB low:0kB high:0kB
>  active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable?
>  no
>  Mar 28 17:09:30 jb7 kernel: lowmem_reserve[]: 0 0 367 367
>  Mar 28 17:09:37 jb7 kernel: Normal free:2396kB min:2396kB low:2992kB
>  high:3592kB active:158412kB inactive:179788kB present:375808kB pages_s
>  canned:209449 all_unreclaimable? no
>  Mar 28 17:09:39 jb7 kernel: lowmem_reserve[]: 0 0 0 0
>  Mar 28 17:09:41 jb7 kernel: HighMem free:0kB min:128kB low:128kB
>  high:128kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unrecla
>  imable? no
>
>
>
>  --
>  Browns Homepage - new pics 20 Mar 2008 - http://jdb.homelinux.net
>  --
>  Registered Linux User No: 187845  http://counter.li.org/
>
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