Re: [Xen-users] Xen 4.2.1. BSOD in Windows guests with VGA passthrough

[ÐÐÑÐÐÐÐÐ ÐÐÑÐÐÐ <borodkin.sergey@xxxxxxxxx>]

Hello,

On Wednesday 30 January 2013 14:44:46 Kristian Hagsted Rasmussen wrote:
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxx [mailto:xen-users-
> > bounces@xxxxxxxxxxxxx] On Behalf Of ???????? ??????
> > Sent: 29. januar 2013 19:48
> > To: xen-users@xxxxxxxxxxxxx
> > Subject: [Xen-users] Xen 4.2.1. BSOD in Windows guests with VGA
> > passthrough
> > 
> > Hello,
> > 
> > I configured xen with enabled passthrough primary VGA card (Intel
> > Integrated grafphic controller HD 3000) and audio controller (Intel HD
> > audio) to hvm guest.
> > I also installed GPLPV drivers to improve performance.
> 
> Which version of GPLPV? I and many others have network problems with the
> signed drivers from univention, this should be solved in the 357 release,
> but these are only test signed.

I currentrly use GPLPV 356 version.

> > And it works for Windows XP (x86) and Windows 7 (x86_64).
> > 
> > But I get a BSOD, when I try to load a disk or network subsystem or start
> > Windows 7 performance test.
> > Steps to reproduce
> > 1) enable PCI passthrough and pass primary VGA card
> > 2) Try to copy a large file (3G for example) over the network into guest.
> > ( or try to install large application)
> > Symptoms:
> > 1) A graphical artifacts appears
> 
> How much memory does your DomU have, I have seen artifacts like this if I
> used 4G of ram. I reduced the amount to 2G and everything is working fine.

Thank you for advice.
I changed guest memory to 3G and got more stability, But BSOD comes again :-)
I changed guest memory to 2G and everthing become OK, even windows perfomance 
test.
It seems the less memory I provide to guest, the more stability I obtain.

It is painful for me to have 16G RAM and use only 2G. Do you know any solution 
to fix this issue?
> > 2) Then comes the BSOD and each time with different messages.
> > 
> > If VGA passthrough is off, there is no such problems.
> > 
> > Any ideas?
> > 
> > My xl info in xl_info.txt in attachment.
> > 
> > My xl dmesg in xl_dmesg.txt in attachment.
> > 
> > Domain 0 kernel configuraton in dom0.config.
> > 
> > Guest cfg is xl_hvm.cfg in attachment.
> > By the way /dev/mapper/oxen0 is opened LUKS partition
> > 
> > Thank you.
-- 
Ð ÑÐÐÐÐÐÐÐÐ, ÐÐÑÐÐÐÐÐ ÐÐÑÐÐÐ.


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