Re: NetBSD 5.1_RC3 Xen problem: user-triggered panic when using a Xen kernel

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Jul 12, 2010 at 11:26:31AM -0600, Steven Senator wrote:
> Hello,
> I am in the process of collecting sufficient information to submit a proper
> bug report, but I have found a repeatable panic when using the Xen kernel
> distributed with NetBSD 5.1 RC3.  This problem does not occur when using the
> distributed NetBSD 5.1_RC3 kernel.
> 
> To reproduce:
>   A. Boot Xen dom0 kernel
>        I have tried with varying amounts of dom0_mem, up to 8GB, without
> effect. No other Xen domU need be running.
>   B. run dd if=/dev/zero of=<some-file> bs=1048576 count=8192
>       This command will cause a panic at an arbitrary point in file
> creation, within a few (3-5) minutes.

this is strange, I always create my domU virtual disks this way (with a
1m block size). What is the exact panic (with stack trace if possible) ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--