I wonder if this is related to another 5.13 kernel issue: bug 1958591 ** Summary changed:
- Xorg crash + [amdgpu] Black screen with flashing horizontal lines ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Tags added: amdgpu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1959695 Title: [amdgpu] Black screen with flashing horizontal lines To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1959695/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs