[libvirt-users] managedsave results in unexpected shutdown from inside Windows

Eric Blake eblake at redhat.com
Wed Mar 13 14:44:36 UTC 2013


On 03/12/2013 07:35 AM, Nicolas Sebrecht wrote:
> Hi,
> 
> I'm facing a strange behaviour of windows 2008 guests. After a virsh
> managedsave and start, the windows guest open a "unexpected shutdown"
> window.

That shouldn't be happening - a start after a managedsave should be
restoring the guest to the same state as at the save.  It sounds like
you may have run into a corrupted managedsave file, so libvirt punted
and booted the guest from scratch instead of restoring state; booting
from scratch without a clean shutdown would explain the symptoms of the
OS complaining.

Did you upgrade qemu in between when you saved your guest and restarted
it?  If so, this may be more of a qemu bug about not handling incoming
migration of data generated from an older qemu.  Are you sure that the
managed save data was not corrupted, such as a power outage occurring
before the managed save file was completely flushed to disk?

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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