Re: [vfio-users] Boot using second GPU?

2016-08-07 Thread Rich Mingin (vfio-users)
I'm using an Asus Z97 board and a Gigabyte Z97 board currently, and both allow for switching the boot GPU between PCIE1, PCIE[2-5] or the iGPU. All slots are one ACS group, though. On Sun, Aug 7, 2016 at 10:14 AM, Rokas Kupstys wrote: > Thanks for reply. Since i am making a new

Re: [vfio-users] Boot using second GPU?

2016-08-07 Thread Rokas Kupstys
Thanks for reply. Since i am making a new build i am looking for proper motherboard. One i sided with is from asus, but it seems asus motherboards do not support switching primary GPU. I might go with gigabyte if there is no way to solve this. I am not sure yet though. Switching primary gpu in

Re: [vfio-users] Boot using second GPU?

2016-08-05 Thread Hristo Iliev
Am 05.08.2016 10:22, schrieb Rokas Kupstys: Okay this is unexpected luck. After more tinkering i got it to work! Here is my setup: * AMD FX-8350 CPU + Sabertooth 990FX R2 motherboard * :01:00.0 - gpu in first slot * :06:00.0 - gpu in third slot * UEFI on host and guest. * Archlinux

Re: [vfio-users] Boot using second GPU?

2016-08-05 Thread Rokas Kupstys
Okay this is unexpected luck. After more tinkering i got it to work! Here is my setup: * AMD FX-8350 CPU + Sabertooth 990FX R2 motherboard * :01:00.0 - gpu in first slot * :06:00.0 - gpu in third slot * UEFI on host and guest. * Archlinux In order to make host use non-boot GPU:

Re: [vfio-users] Boot using second GPU?

2016-08-05 Thread Rokas Kupstys
I think i got half-way there.. My primary gpu is at :01:00.0 and secondary on :06:00.0. I used following xorg config: Section "Device" Identifier "Device0" Driver "radeon" VendorName "AMD Corporation" BoardName "AMD Secondary" BusID

Re: [vfio-users] Boot using second GPU?

2016-08-04 Thread Nicolas Roy-Renaud
That's something you should fix in the BIOS. The boot GPU is special because the motherboard has to use it to display things such as POST messages and such, so it's already "tainted" by the time the kernel gets a hold of it. I had to put my guest GPU on my motherboard's second PCI slot because

[vfio-users] Boot using second GPU?

2016-08-04 Thread Rokas Kupstys
Hey is it possible to make kernel use GPU other than one that is in first slot? If so - how? I have multiple PCIe slots but only first can run at max speed so i would like to use it for VGA passthrough. However if i put powerful GPU into the first slot - linux boots using that GPU. I would like