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Re: [Xen-users] XenServer 6.2 + GPU Passthrough (GF100GL + GF200GL)

Hi Brian,

This list deals primarily with the XenProject distribution of Xen and
the associated tools. XenServer is a separate project so questions about
that are best asked over on www.xenserver.org.


On Tue, 2014-08-19 at 22:11 +0000, Brian Menges wrote:
> So I've got an HP Z800 running the 1100 W PSU decked out with an ATI
> 5450 (local display), Quadro FX 5800 (GPU assigned to a Windows 7
> 64-bit Enterprise instance) and now a Quadro 4000; previously a Quadro
> 5000.
> I've tried passing through either the Quadro 4000 or 5000 to guest VMs
> and in all situations, my entire system just flat out dies (hard lock,
> no input, no display, no warning, no errors, nothing logged). Hard
> cycle it, system returns. This has happened with and without running
> my Windows VM (which has the FX 5800 GPU assigned to it).
> I've tried this now with Ubuntu 14.04 LTS and 12.04 LTS. Is there a
> problem doing gpu passthrough to a linux vm? Or perhaps a problem
> doing gpu passthrough with two different chipset graphics cards? Are
> there any debugging flags that I might enable or try?
> While using only my Windows vm and the FX 5800 the system runs fine.
> I've left the Quadro 4000 installed for the moment (the Quadro 5000 is
> resting on my desk for now). The PSU has enough power to support both
> GPUs so I'm looking for other potential issues.
> - Brian Menges
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