Re: [Xen-devel] domU still not rebooting in 3.0.2

[Ewan Mellor <ewan@xxxxxxxxxxxxx>]

On Tue, Apr 11, 2006 at 09:21:57PM -0400, Brian Hays wrote:

> Thanks. After appending the "on_crash = preserve" I reconnected and found
> this ...
> 
> Root-NFS: No NFS server available, giving up.
> VFS: Unable to mount root fs via NFS, trying floppy.
> VFS: Cannot open root device "sda1" or unknown-block(2,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(2,0)
> 
> The root device is valid. When restarting manually via "xm create
> configfile" everything comes up fine. I'm using LVM. Is there a
> possibility that Xen seeing that device as already in use for some reason
> during a reboot?

Could you try with today's xen-3.0-testing tree?  A patch went in yesterday
which addressed these symptoms -- hopefully it will fix your problem.  You'll
actually be pulling a release candidate for Xen 3.0.2-1.

Ewan.

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