Okay, so I'm trying to figure out how to classify this bug report about QEMU. The user mentioned that using pc-q35-4.1 with AMD Navi 5700/XT is incompatible, but works fine with pc-q35-3.0. They tried using the official AMD driver and ran into issues like a hung kernel in Fedora and BSOD in Windows during driver installation. First, I need to look at the categories provided: mistranslation, assembly, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. The user is dealing with GPU passthrough using vfio-pci. The problem occurs when installing official drivers in the guest OS. Since it's related to the GPU and vfio-pci device configuration, it seems like a hardware-related issue. Looking at the categories, "device" fits because it's about how QEMU handles specific devices, especially GPUs with vfio-pci. It's not a translation error or performance issue. It doesn't seem to be a kernel bug per se but rather an interaction between QEMU and the GPU device. The issue relates to GPU passthrough compatibility with the pc-q35 machine type, indicating a problem with device configuration in QEMU. **device**