From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Subject: [ltt-dev] kernel panic
Date: Thu, 11 Feb 2010 09:31:06 -0500 [thread overview]
Message-ID: <20100211143106.GA31577@Krystal> (raw)
In-Reply-To: <4B71AB45.8040804@polymtl.ca>
* Benjamin Poirier (benjamin.poirier at polymtl.ca) wrote:
>
[...]
> kvm -m 512 -drive file=rootFile32,index=0,media=disk,snapshot=on
> -nographic -kernel linux-2.6-lttng/arch/i386/boot/bzImage -append
> "root=/dev/sda1 console=tty0 console=ttyS0,38400 ro"
>
> vdebian32 login: root
> Password: root
> root at vdebian32:~# while true; do ltt-armall && ltt-disarmall; done
> Connecting /mnt/debugfs/lt[ 51.944778] BUG: unable to handle kernel
> NULL pointer dereference at (null)
> [ 51.945031] IP: [<c1007258>] add_nops+0x51/0x6b
> [ 51.945031] *pde = 00000000
> [ 51.945031] Oops: 0000 [#1] SMP
> [ 51.945031] LTT NESTING LEVEL : 0
Just found the problem. Commit
commit 8b5a10fc6fd02289ea03480f93382b1a99006142
Author: Jan Beulich <JBeulich at novell.com>
Date: Wed Aug 19 08:40:48 2009 +0100
from mainline breaks add_nops for lttng in !CONFIG_MODULE configs. Will
fix in the next release. Thanks for providing me an easy way to
reproduce the bug.
Thanks,
Mathieu
--
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
prev parent reply other threads:[~2010-02-11 14:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-01 16:17 Benjamin Poirier
2010-02-01 16:52 ` Mathieu Desnoyers
2010-02-01 20:51 ` Benjamin Poirier
2010-02-02 22:09 ` Mathieu Desnoyers
2010-02-03 14:55 ` Benjamin Poirier
2010-02-03 14:55 ` Benjamin Poirier
2010-02-06 17:55 ` Mathieu Desnoyers
2010-02-08 15:48 ` Benjamin Poirier
2010-02-09 18:11 ` Mathieu Desnoyers
[not found] ` <4B71AB45.8040804@polymtl.ca>
2010-02-11 14:31 ` Mathieu Desnoyers [this message]
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