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Re: [Xen-users] Using the Xen GPLPV drivers

Hello Matthew,

I've been trying to do the same thing, but my DomU guests (Windows 7
x64) have GPUs passed through to them.  For some reason, I was able to
narrow down the USB PV driver from the GPLPV set was causing my
machines to BSOD during boot with a 7E.  Not really sure why, but I
found an older post by the developer on the list saying something
about how GPLPV USB wasn't very complete yet.

I tried instead on a different guest to use the XCP PV drivers... but
installing those caused a similar problem, though I can't remember
precisely what.  It has been a few days since I last hacked away at it

Out of curiosity, have you gotten USB PV to work?  Did you install
*all* of the PV drivers, or just the PCI, disk, and NIC drivers?

Still, glad to hear a more recent report of success with them!  I'll
be back hacking away at it tonight.  I'll have my quad-head gaming box
purring like a kitten someday, even if I have to tear my hair out for
a few more weeks =)

Andrew Bobulsky

On Mon, Sep 5, 2011 at 5:47 AM, Matthew Hook <matthew.hook@xxxxxxxx> wrote:
> There seems to be an outdated page to use PV drivers here:
> http://wiki.xensource.com/xenwiki/XenWindowsGplPv
> I'd be great if that could be updated.
> After installing the PV drivers in windows I didn't notice any difference in
> performance at all.  Windows says the drivers are working.
> Some more searching and reading and it appears that I do actually need to
> make some changes to my windows config file.
> So, I changed my disk line from:
>   disk = [ 'tap2:tapdisk:aio:/home/xen/xenwin7.img,hda,w']
> to:
>   disk = [ 'tap2:tapdisk:aio:/home/xen/xenwin7.img,xvda,w' ]
> According to the windows experience index disk performance is now several
> points better!
> I've also changed the line:
>    vif = [ 'type=ioemu, bridge=xenbr0' ]
> to
>    vif = [ '' ]
> Is this all I need to do to fully enable PV drivers?
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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