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Re: [Xen-devel] Xen 3.4.0 - Windows 2008 Lockup

To: Teck Choon Giam <giamteckchoon@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 3.4.0 - Windows 2008 Lockup
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Sat, 23 May 2009 12:15:41 +0100
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On 23/05/2009 12:09, "Teck Choon Giam" <giamteckchoon@xxxxxxxxx> wrote:

>> Something timing/timer related must have chnaged in 3.4 to make this more
>> likely. However it is not impossible you could see that bluescreen on 3.3
>> too! And there is a workaround on 3.4 which does not exist on 3.3 -- add
>> viridian=1 to your domain config file. This will tell Windows it is running
>> on a hypervisor and thus to relax its timer checks.
> 
> I actually tried that before reverting when initially hitting this
> lockup issue then I search the mailing list and ended up with this:
> http://lists.xensource.com/archives/html/xen-devel/2009-04/msg01050.html

Tim Deegan posted a patch at the end of that thread. Could you try it? I
didn't apply it for 3.4 since the patch didn't get any responses in that
email thread.

 -- Keir



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