This looks like one or two bugs. And at least the first one is a kernel bug so reassigning there...
https://launchpadlibrarian.net/446679771/gpf-amdpu ** Tags added: amdgpu ** Summary changed: - Screen Glitching & Kernal Panic + [amdgpu] Screen Glitching & Kernel Panic ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Also affects: xserver-xorg-video-amdgpu (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848108 Title: [amdgpu] Screen Glitching & Kernel Panic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1848108/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs