[vfio-users] 750 Ti passthrough works for Linux not Windows?

[Simon Ye]

I've attached the xml for the windows guest. When the VM starts I do see
disk activity and it seems like it's booting up. When attaching both a
spice server and pci passthrough, the windows guest boots. Windows sees the
card in device manager but there's an error 43 - which I thought the kvm
hidden state works around.

There doesn't appear to be interesting in dmesg.

-Simon

On Thu, Jan 7, 2016 at 11:43 AM Alex Williamson <alex.l.williamson at gmail.com>
wrote:

> On Thu, Jan 7, 2016 at 9:35 AM, Simon Ye <sye737 at gmail.com> wrote:
>
>> I followed the instructions in that blog post, which means no hyperv and
>> hypervclock tags (they were not there to begin with), as well as adding kvm
>> tags.
>>
>> Is there any other helpful info I could provide in lieu of trying kernel
>> 4.3? I don't get any Windows output whatsoever unless run without
>> passthrough.
>>
>
> The XML for the VM would be a good start.  Any errors in dmesg when the VM
> starts?  Watch the VM CPU load in virt-manager when the VM boots, you can
> generally get an idea if it's hung or just booting without the display from
> that.  Watch your disk LEDs, do you see accesses like the VM is booting?
> If it looks like it's booting, install a VNC server and connect to it from
> the host and poke around in device manager to see if it sees the GPU at
> all.  If it's not booting, it could be an issue with the GPU ROM.  Thanks,
>
> Alex
>
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