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RE: [Xen-users] Removing Citrix PV Drivers and then installing GPLPVdriv

To: "Mark Pace" <pace@xxxxxxxxxxxxxxxxxxx>, "Xen Users" <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Removing Citrix PV Drivers and then installing GPLPVdrivers
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Sat, 7 Feb 2009 09:06:39 +1100
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Thread-topic: [Xen-users] Removing Citrix PV Drivers and then installing GPLPVdrivers
> I'm in the process of migrating XenServer virtuals over to open source
> Xen.  Things are going along really well, except I haven't been able
> successfully remove the Citrix Windows PV drivers and then install the
> GPLPV drivers.  After I remove the Citrix PV drivers, the drivers seem
> like they are gone.  I then install the GPLPV drivers, which claim to
> install successfully, but then the system pops up a message saying it
> found the Citrix XenSource PV Ethernet adapter again and it wants to
> install xennet.sys from the XenSource directories (which are no longer
> there).  I've shown it where the new xennet.sys driver is, but that
> doesn't make it happy.  Somewhere in this mix is some old INF file or
> something that is preventing the GPL drivers from taking over
> Any ideas how to really uninstall the Citrix drivers?

Some suggestions...

. you should still be able to force installation via manually installing
the driver with the 'have disk' option.
. delete all the oem*.[ip]nf files that are for the citrix drivers (from
. search the registry (currentcontrolset) for any reference to xen and
delete it, but be careful. Windows must be remembering the deviceID

My GPLPV drivers enumerate devices as eg xen\vbd\768, xen\vif\0. Citrix
drivers must be doing the same. I would if I should enumerate them with
a slightly different prefix...


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