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Bug#512647: marked as done (oops in free_block called by dm_snapshot)

Your message dated Fri, 29 Jan 2010 23:52:43 +0100
with message-id <20100129225243.GA5240@galadriel.inutil.org>
and subject line Re: linux-image-2.6-686: invalid opcode: 0000 [#1] SMP
has caused the Debian Bug report #512647,
regarding oops in free_block called by dm_snapshot
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
512647: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=512647
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6-686
Version: 2.6.26+17
Severity: important

When system is stressed for memory by running rsync 3.0.3 to a remote mail
server the kernel crashes and the system becomes unresponsive.

nero kernel: [15538.832901] ------------[ cut here ]------------
 nero kernel: [15538.832901] invalid opcode: 0000 [#1] SMP 
 nero kernel: [15538.832901] Process kcopyd (pid: 3209, ti=eda5e000 task=f7cc6d60 task.ti=eda5e000)
 nero kernel: [15538.832901] Stack: 0000002c 00000000 0000003c f7408a14 0000002d 0000003c 000001e0 f7d027c0 
 nero kernel: [15538.832901]        f7fe1b40 c01712ba 00000000 f7408a00 f7408a00 00000246 d4514c48 00000000 
 nero kernel: [15538.832901]        c01713a0 f7fe1bc0 d4514c48 ee0cc800 c0158b25 d4514e88 d4514c48 ee0cc800 
 nero kernel: [15538.832901] Call Trace:
 nero kernel: [15538.832901]  [<c01712ba>] cache_flusharray+0x65/0x89
 nero kernel: [15538.832901]  [<c01713a0>] kmem_cache_free+0x36/0x4f
 nero kernel: [15538.832901]  [<c0158b25>] mempool_free+0x63/0x67
 nero kernel: [15538.832901]  [<f88fab87>] pending_complete+0xdd/0x138 [dm_snapshot]
 nero kernel: [15538.832901]  [<f88fb873>] persistent_commit+0xdc/0xf0 [dm_snapshot]
 nero kernel: [15538.832901]  [<f88fac0a>] copy_callback+0x28/0x2c [dm_snapshot]
 nero kernel: [15538.832901]  [<f8927ef1>] run_complete_job+0x46/0x6f [dm_mod]
 nero kernel: [15538.832901]  [<f88fabe2>] copy_callback+0x0/0x2c [dm_snapshot]
 nero kernel: [15538.832901]  [<f8927d1d>] process_jobs+0x1f/0xaa [dm_mod]
 nero kernel: [15538.832901]  [<f8927eab>] run_complete_job+0x0/0x6f [dm_mod]
 nero kernel: [15538.832901]  [<f8927da8>] do_work+0x0/0x38 [dm_mod]
 nero kernel: [15538.832901]  [<f8927dbe>] do_work+0x16/0x38 [dm_mod]
 nero kernel: [15538.832901]  [<c012ef4e>] run_workqueue+0x74/0xf2
 nero kernel: [15538.832901]  [<c012f629>] worker_thread+0x0/0xbd
 nero kernel: [15538.832901]  [<c012f6dc>] worker_thread+0xb3/0xbd
 nero kernel: [15538.832901]  [<c01318dc>] autoremove_wake_function+0x0/0x2d
 nero kernel: [15538.832901]  [<c013181b>] kthread+0x38/0x5d
 nero kernel: [15538.832901]  [<c01317e3>] kthread+0x0/0x5d
 nero kernel: [15538.832901]  [<c01044f3>] kernel_thread_helper+0x7/0x10
 nero kernel: [15538.832901]  =======================
 nero kernel: [15538.832901] Code: 54 24 0c 8b 0c 82 8d 91 00 00 00 40 c1 ea 0c c1 e2 05 03 15 e0 04 41 c0 8b 02 25 00 40 00 00 85 c0 74 03 8b 52 0c 80 3a 00 78 04 <0f> 0b eb fe 8b 72 1c 8b 44 24 28 8b 16 8b 7c 85 68 8b 46 04 89 
 nero kernel: [15538.832901] EIP: [<c0171496>] free_block+0x4e/0xf4 SS:ESP 0068:eda5feb0

-- System Information:
Debian Release: 5.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6-686 depends on:
ii  linux-image-2.6.26-1-686      2.6.26-13  Linux 2.6.26 image on PPro/Celeron

linux-image-2.6-686 recommends no packages.

linux-image-2.6-686 suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
On Mon, Jan 04, 2010 at 02:16:51PM +0000, Andrew Farr wrote:
> On 30/12/2009 00:44, Moritz Muehlenhoff wrote:
> > On Sun, Nov 01, 2009 at 02:08:57AM +0000, Ben Hutchings wrote:
> >   
> >> On Thu, 2009-01-22 at 15:12 +0000, Andrew Farr wrote: 
> >>     
> >>> Package: linux-image-2.6-686
> >>> Version: 2.6.26+17
> >>> Severity: important
> >>>       
> >> Sorry for the delay in answering your bug report.
> >>
> >>     
> >>> When system is stressed for memory by running rsync 3.0.3 to a remote mail
> >>> server the kernel crashes and the system becomes unresponsive.
> >>>       
> >> This could be related to bug 545999, which should be fixed by Debian
> >> kernel version 2.6.26-20 which is scheduled to be included in the next
> >> stable update.  Please could you try installing that?
> >>
> >> You will need to add this line to your package sources
> >> (/etc/apt/sources.list):
> >>
> >>     deb http://ftp.debian.org/debian/ stable-proposed-updates main
> >>
> >> and then run:
> >>
> >>     apt-get install linux-image-2.6.26-2-686
> >>     
> > Andrew, did you test this?
> >
> > Cheers,
> >         Moritz
> >   
> Hi Moritz,
> 
> I did install that kernel version in November and it's been completely
> stable ever since.

Ok, we'll close the bug, then.

> However that's not proof that it would have fixed the original problem,
> as I had already applied updates to the BIOS, RAID controller, NIC and
> HDD firmware and moved completely away from using snapshots to using
> Dirvish for backups and this had already made the server stable. It was
> 10 months until the kernel fix was mentioned after all :-)

:-)

Cheers,
        Moritz

--- End Message ---
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