First of all my computer specs are a
MSI B650M-A
Ryzen 9 7900x
RX 7700XT (Persists disconnected)
I began installing Qubes with my GPU seated, I ran into freezing in the end of the installation process which I found by luck to be the sys-usb to be the issue. I disabled it during install and created the qube post install.
Now I’ve been attempting to get GPU passthrough, I hid my gpu from the Kernal, it was no longer loading amdgpu, and instead pciback. Perfect. Except depending on kernel parameters, lightdm fails to start (I tried sddm and it said something along the lines of failed to get display). On the other chance I get x11 to start, I get this nasty graphics bug which also includes the system freezing
This actually spread to Windows, which made me realize this is likely an integrated graphics bug due to only being able to run Windows off the GPU or in safe mode without the graphics bug and freezing (note: it’s alot worse on qubes)
I’ve tried a healthy combination of these grub params
multiboot2
efi=no-rs xen-pciback.hide=g:p.u xen-pciback.passthrough=1 xen-pciback.permissive Kernal amd_iommu iommu=on iommu=pt rd.qubes.hide_pci=g:p.u video efifb:off video=simplefb:off nomodeset but with not much luck and the same results, In order to debug this with a minimal approach, and considering my Qubes install isn’t going to consider my GPU, I unseated my GPU and attempted to boot into Qubes, I get the same frozen screen graphics bug. I try nomodeset and lightdm fails.
So I try to go-to the Qubes installer, and both with&out nomodeset, same results. A few seconds after anaconda finishes and there’s a grey background display, a black screen appears with just an underscore appears.
Windows seems to be affected too but can you really blame Microsoft for anything more, I think they still haven’t taken their trash out. I’ve tried messing with some motherboard settings but no luck, including but not limited to enabling Iommu, svm, hybrid graphics, changing primary display to integrated, using UMA Auto.
I haven’t done much to my current installation so I wouldn’t mind redoing it in order to have a confirm confirmed to not have a GPU, then hide the pci when I reseat it. However I just need assistance on my integrated graphics at this point. I’ve been on this for a few days now. Thanks.