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Re: [Xen-users] Win 2008 x86 / GPLPV on Xen 4.0.1 - BSOD whem migrating

To: Nick Couchman <Nick.Couchman@xxxxxxxxx>
Subject: Re: [Xen-users] Win 2008 x86 / GPLPV on Xen 4.0.1 - BSOD whem migrating HVM to a new machine.
From: Adam Wilbraham <adam.wilbraham@xxxxxxxxxxxxxxxx>
Date: Wed, 1 Sep 2010 09:03:29 +0100
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I don't have viridian enabled, I will give it a try - thanks.

On 31 August 2010 20:07, Nick Couchman <Nick.Couchman@xxxxxxxxx> wrote:
> Do you have "viridian=1" specified in your HVM configuration?  This one bit 
> me a couple of times, and enabling the viridian interface fixed it.
> -Nick
>>>> On 2010/08/31 at 09:41, Adam Wilbraham <adam.wilbraham@xxxxxxxxxxxxxxxx>
> wrote:
>> 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?
>> * http://www.meadowcourt.org/downloads/gplpv_Vista2008x32_0.11.0.213.msi
>> is th eGPLPV driver I'm using.
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