Re: [vserver] opteron server dies with vserver patch.

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Mon 08 Aug 2011 - 16:57:05 BST
Message-ID: <20110808155705.GL12671@MAIL.13thfloor.at>

On Mon, Aug 08, 2011 at 05:32:21PM +0200, Pawel Sikora wrote:
> On Monday 08 of August 2011 16:28:20 Herbert Poetzl wrote:

>> ah, I forgot, yes there is a way (not the easiest though)
>> to decode the output your ipmi console recorded:

>> - extract the byte sequence listed as Code:
>> - search for that sequence in your vmlinux
>> - add the offset of <xx> relative to the first byte (44)
>> - lookup the resulting address with addr2line or
>> compare it with objdump -t vmlinux

> i've copied v3.0+vserver vmlinuz + more stack traces to web site:

> http://pluto.agmk.net/kernel/vmlinuz-3.0.0-vs2.3.1-pre8-dirty
> http://pluto.agmk.net/kernel/vserver-crash.jpg

good idea, but could you also upload the vmlinux (x not z)
from your build tree?

TIA,
Herbert

> and i'll try these steps asap...

>> note that the traces listed in the lkml posting show at
>> least 3 different locations where something happened and
>> I really wonder if those aren't three different perfectly
>> fine stack traces which just get mangled by your ipmi
>> setup ... maybe try to explicitely trigger a cpu/kernel
>> trace with /proc/magic-sysrq and see if it logs properly

> afaics there're no pretty stack traces on real console.
Received on Mon Aug 8 16:57:17 2011

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