Yes it appears to be a kernel issue. I don't know if downgrading (or upgrading) will fix it but that's definitely worth a try.
See also https://gitlab.freedesktop.org/drm/amd/-/issues?scope=all&state=opened&search=%22ring+gfx+timeout%22 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1949497 Title: [amdgpu] Screen freezes ([drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1949497/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
