No, I've never seen any message in log that could seem related to the issue.
Yes there are two cases here, although related. I experience these freezes when coming out of screen standby, which sometime are longer and end up with a session crash, but in many case they just freeze the UI and send the screen back to dmps standby -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1769981 Title: Temporary screen freeze when coming back from screen standby To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1769981/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
