RE: [Xen-users] Windows 2008 64 bits + gplpv driver = BSOD

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> 
> On Mon, Dec 14, 2009 at 6:43 PM, James Harper
> <james.harper@xxxxxxxxxxxxxxxx> wrote:
> >> In your case, you could probably enter safe mode, uninstall GPLPV,
and
> >> retry installation using the above method.
> >>
> >
> > Unfortunately, that might not work. Windows will refuse to load
xenpci.sys
> if testsigning isn't right, and because it integrates itself into the
ata
> driver stack as an 'upper filter', when it fails windows might fail
the whole
> stack, even in safe mode.
> 
> That's new. At least for me :D
> So how can we recover from an incorrectly-installed GPLPV installation
then?
> 

Have good backups :)

Boot from the Install CD, go into recovery mode, and fix the registry.
Remove any value where XenPCI is in UpperFilters. Remove all xen*.sys
from windows\system32\drivers too.

James

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