[vfio-users] Win10 Guest, stability is horrible and freeze quickly

[Martin Schrodt]

Hey,

On 10/07/2016 06:51 PM, Berillions wrote:
> My PC Configuration :
> - Debian Jessie 64-bits
> - Proc : Intel i7-6700
> - MB : MSI B150 PC MATE
> - 32G Memory RAM
> 
> IOMMU-Groups :
> 
> /sys/kernel/iommu_groups/1/devices/0000:01:00.0 ---> Nvidia GTX960
> /sys/kernel/iommu_groups/1/devices/0000:01:00.1 ---> Nvidia GTX960 Audio
> /sys/kernel/iommu_groups/13/devices/0000:02:00.0 ---> Nvidia GTX970
> /sys/kernel/iommu_groups/13/devices/0000:02:00.1 ---> Nvidia GTX970 Audio

looks like the same problem like discussed here:

https://www.reddit.com/r/VFIO/comments/55gv5e/horrible_graphical_glitches_set_in_a_few_minutes/d8cptom

Your guest GPU is probably connected via the 4 PCH PCIe-Lanes, which
causes this.

I think that can be solved by moving the gues GPU to the CPU lanes (Slot
1 and 2), if that's possible with your board.

Cheers!