Thanks. I can't see any evidence of a crash in that log. Please try following the instructions in comment #2 a few times and attach your findings here. And remember to also follow these instructions:
https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1892847 Title: Screen freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1892847/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
