On Tue, 23 Jun 2020 23:33:22 -0400 Roger Lawhorn <r...@twc.com> wrote:
> I have the answer. > > I had to change my lines from: > -device > vfio-pci,host=0c:00.0,bus=root_port1,addr=00.0,multifunction=on,x-vga=on \ > -device vfio-pci,host=0c:00.1,bus=root_port2,addr=00.1,multifunction=on \ > -device vfio-pci,host=0d:00.0,bus=root_port3,addr=01.0,multifunction=on \ > > to: > -device > vfio-pci,host=0c:00.0,bus=root_port1,addr=00.0,multifunction=on,x-vga=on \ > -device vfio-pci,host=0c:00.1,bus=root_port2,addr=00.0,multifunction=on \ > -device vfio-pci,host=0d:00.0,bus=root_port3,addr=00.0,multifunction=on \ > > > Apparently, this is a known bug. > All cards must be on the same addr. > > I have both gpus and 8gb of vmem instead of just 4gb. > > Nice to know you CAN have more than one video card with gpu passthrough. That's not a bug, that's how PCI function number and PCIe slot numbering works. You can't have a function number >0 without a function 0 with multifunction=on in the same slot and you can't have a slot number >0 under a PCIe downstream port. _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
