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RE: [Xen-users] Windows PV driver live-migration support

To: "Suffin, Charlie" <Charlie.Suffin@xxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Windows PV driver live-migration support
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Fri, 13 Nov 2009 10:00:41 +1100
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Thread-index: Acpj2aGWyyiDDLqxTGuRpSPB9mGIUgABqHkAAALnfhA=
Thread-topic: [Xen-users] Windows PV driver live-migration support
> 
> Is anyone working on live-migration support for Windows PV domains?  I
> am a developer, and I am evaluating the possibility of improving upon
> the Windows drivers.
> 
> I installed a recent copy of the PV drivers (0.10.0.130) from the
> installation packages pointed at in the wiki
> (http://wiki.xensource.com/xenwiki/XenWindowsGplPv) and was not able
to
> get a Windows 2003 domain to properly restore after a migration.
There
> were numerous popup boxes on the console about not being able to
remove
> devices, etc.  I also found some verbiage in
> win-pvdrivers.hg/doc/TODO.txt (cloned from the repository) which
> indicated that this support wasn't completed (yet).  I am not quite
sure
> what my expectations should be.
> 
> Is there any documentation for this code or a project-plan which I can
> consult?  I didn't find anything on the wiki that would help me answer
> my questions about what is or isn't supported and what is being
actively
> worked on (and by whom).
> 
> Apologies in advance if I'm asking newbie questions that have already
> been asked and answered.  If you can point me to any useful threads on
> this subject, please do so.
> 

That particular problem should be fixed in 0.10.0.134. There may be
other bugs that stop it working but that one at least should be fixed.

James

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