Same thing as Rupert. Here is my situation, having uninstalled amd's drivers per their instructions, and also removed amd repos. I guess I have to reinstall Windo- I mean Ubuntu.
sudo lshw -c video *-display UNCLAIMED description: VGA compatible controller product: Navi 21 [Radeon RX 6950 XT] vendor: Advanced Micro Devices, Inc. [AMD/ATI] physical id: 0 bus info: pci@0000:0a:00.0 version: c0 width: 64 bits clock: 33MHz capabilities: pm pciexpress msi vga_controller bus_master cap_list configuration: latency=0 resources: memory:d0000000-dfffffff memory:e0000000-e01fffff ioport:e000(size=256) memory:fcc00000-fccfffff memory:c0000-dffff *-graphics product: simpledrmdrmfb physical id: 1 logical name: /dev/fb0 capabilities: fb configuration: depth=32 resolution=2560,1440 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2080823 Title: 6.8.0-44 breaks amdgpu-dkms 6.8.5 Status in linux package in Ubuntu: Won't Fix Bug description: Ubuntu 24.04.1 6.8.0-44 causes compile failure of amdgpu-dkms (6.8.5 from AMD partner) ``` linux-image-generic 6.8.0-44.44 amd64 Generic Linux kernel image amdgpu-dkms 1:6.8.5.60200-2009582.24.04 amdgpu driver in DKMS format. noble/main amdgpu-dkms-firmware 1:6.8.5.60200-2009582.24.04 firmware blobs used by amdgpu driver in DKMS format noble/main ``` The 6.8.0-44 kernel includes : * Noble update: upstream stable patchset 2024-07-25 (LP: #2074091) - drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2 <---- This is the one This one causes a compile failure in amdgpu-dkms 6.8.5 , detected from rocm6.2 users and initially reported there, but i believe it should be fixed in Ubuntu who backported the fix causing the bug. https://github.com/ROCm/ROCm/issues/3701 https://github.com/ROCm/ROCm/issues/3701#issuecomment-2351247361 contains a trivial patch on the amdgpu-dkms side, but the problem is introduced by a patch on the kernel ubuntu-6.8. this is very annoying, and proposed workaround on github Amd Rocm are a bit weird (even if they work well) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2080823/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp