Sent: 10/14/2008
From: TC-UK
Message:Hi Bill,
I have seen that one. I have raised a PSS call also as it would be nice to
understand why something is happening.
Thomas - all updates installed but thanks for the post
"Bill Grant" wrote:
Show quoted text
>
>
> "TC-UK" <(email address - cut out)> wrote in message
> news:(email address - cut out)...
> > Can someone at Microsoft explain if possible why the following:
> >
> > 1. Install Windows Server 2008 with latest Nvidia drivers - OK
> > 2. Install Hyper-V - Terrible performance on Host system
> > 3. Remove either Hyper-V or graphics driver - OK
> >
> > I know you may say that Hyper-V is an enterprise class hypervisor etc but
> > I
> > am running this on a system that helps with demos and training and that
> > system has an Nvidia graphics card. The performance issues are ONLY there
> > when the role is installed. All drivers including BIOS are up to date.
> >
> > Thanks
> >
> > TC
> >
>
> There is a long discussion on this problem in the hyper-v forum.
>
> http://social.technet.microsoft.com/Forums/en-US/winserverhyperv/thread/4e1c53f5-0400-4ca9-8819-f942c10881c1
>
> The problem is the driver software for the Nvidia card.
>
>
Sent: 10/14/2008
From: "Thomas Scheidegger" <(email address - cut out)>
Message:> 1. Install Windows Server 2008 with latest Nvidia drivers - OK
did you try KB955302:
http://support.microsoft.com/kb/955302/en-us
--
Thomas Scheidegger - 'NETMaster'
http://dnetmaster.net/
Show quoted text
> 2. Install Hyper-V - Terrible performance on Host system
Sent: 10/14/2008
From: "Bill Grant" <not.available@online>
Message:
"TC-UK" <(email address - cut out)> wrote in message
news:(email address - cut out)...
There is a long discussion on this problem in the hyper-v forum.
http://social.technet.microsoft.com/Forums/en-US/winserverhyperv/thread/4e1c53f5-0400-4ca9-8819-f942c10881c1
The problem is the driver software for the Nvidia card.
Show quoted text
> Can someone at Microsoft explain if possible why the following:
>
> 1. Install Windows Server 2008 with latest Nvidia drivers - OK
> 2. Install Hyper-V - Terrible performance on Host system
> 3. Remove either Hyper-V or graphics driver - OK
>
> I know you may say that Hyper-V is an enterprise class hypervisor etc but
> I
> am running this on a system that helps with demos and training and that
> system has an Nvidia graphics card. The performance issues are ONLY there
> when the role is installed. All drivers including BIOS are up to date.
>
> Thanks
>
> TC
>
Sent: 01/10/2009
From: "Thomas Scheidegger" <(email address - cut out)>
Message:> understand why something is happening.
MS KB 961661
Video performance may decrease
when a Windows Server 2008-based computer
has the Hyper-V role enabled
and an accelerated display adapter installed
<URL:http://support.microsoft.com/kb/961661/en-us>
Blogs:
<URL:http://blogs.msdn.com/taylorb/archive/2009/01/09/performance-issues-with-some-graphic-cards-and-hyper-v.aspx>
<URL:http://blogs.msdn.com/virtual_pc_guy/archive/2009/01/07/bad-performance-with-high-end-graphics-and-hyper-v.aspx>
Possible 'workaround':
<URL:http://hypervoria.com/hyper-v/enable-sleep-hibernate-with-hyper-v.aspx>
--
Thomas Scheidegger - 'NETMaster'
http://dnetmaster.net/
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