Thanks for the bug report. There's an error in your kernel log:
[drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A which makes me think this is bug 1767654 (specific to the model of CPU you have) or bug 1806242. In case that's not the problem then please also check for crashes using these instructions: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete ** Summary changed: - Xorg freeze + Screen freeze -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1966328 Title: Screen freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1966328/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs