Please also provide a log from as soon as the bug occurs: journalctl -b0 > journal.txt
-- 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/2067143 Title: ‘no signal’ after monitor sleep or monitor turned off To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2067143/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs