https://gitlab.com/qemu-project/qemu/-/issues/2574
kernel's cursed? kvm's cursed? hardware's cursed?
the debian rocm team using full PCIe passthrough was getting a "VM crashes with EFAULT when accessing GPU memory"… and i'm seeing the same symptom with two different non-passthru setups (qemu+gfxstream and crosvm+native-context) on an integrated gpu?!