I can't find any reason in those logs for the bug. Maybe try adding this to /etc/environment:
MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 and then reboot. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1972059 Title: One screen does not come back from lock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1972059/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
