Comment 1 for bug 1897481

Please attach output from `dmesg` and `sudo lspci -vvv`, both from the host. Laptops typically don't provide sufficient resources for GPUs attached like this, so my guess is that we're trying to add a quirk on top of a BAR that isn't mapped. If that's the case, the following host kernel options might help: pci=realloc,assign-busses,nocrs