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RE: [Xen-users] Win 2008 x86 / GPLPV on Xen 4.0.1 - BSOD whem migratingH

To: "Adam Wilbraham" <adam.wilbraham@xxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Win 2008 x86 / GPLPV on Xen 4.0.1 - BSOD whem migratingHVM to a new machine.
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Wed, 1 Sep 2010 14:56:52 +1000
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Thread-topic: [Xen-users] Win 2008 x86 / GPLPV on Xen 4.0.1 - BSOD whem migratingHVM to a new machine.
As a test, can you remove the network adapter from the config and try
it? I've fixed a bug that was causing problems there (unreleased so far)
but I'm not sure if it relates to migration or not.


> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Adam Wilbraham
> Sent: Wednesday, 1 September 2010 01:41
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Win 2008 x86 / GPLPV on Xen 4.0.1 - BSOD whem
> migratingHVM to a new machine.
> I am encountering an issue on some HVMs I have just built, and I'm
> wondering if its expected behaviour. I have a number of Windows 2008
> HVM installs on Xen 4.0.1 (on top of Debian Lenny, kernel
> 2.6.32-bpo.5-xen-686) which use the latest GPLPV driver*. The
> underlying disk subsystem is replicated with DRBD to help provide
> disaster recovery. The issue I'm seeing is if I migrate (not live, a
> shutdown and start clean) any of these domUs to the other node then I
> will get a BSOD on boot. The only way to "cure" this BSOD is to boot
> into safe mode, then do a restart of it when it will subsequently boot
> fine. The error given within the BSOD tells me to run CHKDSK /F so I'm
> wondering if its just because the underlying hardware has changed and
> the virtual disk is exposing itself slightly differently between
> servers.
> Its not a server specific issue - it happens in both directions.
> Unfortunately I'm not sure if it was happening before the GPLPV
> drivers were installed - I pretty much put them on straight away after
> the Windows setup.
> There doesn't appear to be any data loss or serious side effects to
> this BSOD, its just slightly annoying to have to boot each domU into
> safe mode & restart again before its operational. I've seen some
> problems with BSODs and migration of HVMs before, but this time I can
> guarantee that it happens each time I migrate.
> Anyone had any similar experiences?
> *
> is th eGPLPV driver I'm using.
> --
> Adam Wilbraham - Senior Systems Administrator
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