Subject: Re: Midnight crashes
To: Marcello Balduccini <marcello.balduccini@ttu.edu>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: port-xen
Date: 04/18/2005 20:31:13
On Mon, Apr 18, 2005 at 11:22:47AM -0500, Marcello Balduccini wrote:
> Hi!
>
> I have been running NetBSD/xen as Dom0 and (my only) DomU for the last few
> days, and it has been running great, except for the fact that the computer
> panics exactly once every night, *always* around midnight (more precisely, I
> think it is between 12:13am and 12:16am). At the moment of the crash, Dom0 is
> idle and DomU has a moderate load (just running a few text-processing
> scripts). Notice that the computer runs perfectly all day under the same load
> conditions. I checked all crons several times, and by now I am pretty sure
> that the only cron that might be running is a very small one that anyway runs
> once a minute all day every day withouth giving problems (and as of now
> simply starts up, checks if a file is empty or non-existent, and exits
> without doing anything else).
>
> I am running NetBSD from the 20050408-3.0_BETA binary snapshot. As Xen kernel,
> I use the "xen205-loadksym.gz" available from arch/xen/xen20. I have copied
> both netbsd-XEN0 and netbsd-XENU kernels as /netbsd on the respective root
> file systems.
>
> Last night, I finally logged the serial console output, and got the attached
> output by running bt in ddb. As you can see, the problem seems to be network
> related (output of ifconfig -a is also attached below).
Hum, please update your domU kernel to the last 3.0_BETA sources.
YAMAMOTO Takashi fixed an issue with pool corruption in xennet a few days ago,
it has been pulled up to the 3.0 branch yesterday.
--
Manuel Bouyer <bouyer@antioche.eu.org>
NetBSD: 26 ans d'experience feront toujours la difference
--