You have been subscribed to a public bug: After Logout or Resume one ultimately ends up at a black screen on a completely unresponsive system.
Only the power button helps in this case - I guess the "Emergency Sync" in the attached syslog marks the point in time when the power button was pressed. ### apt-cache policy gdm3: gdm3: Installed: 3.28.2-0ubuntu1.4 Candidate: 3.28.2-0ubuntu1.4 Version table: *** 3.28.2-0ubuntu1.4 500 500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu bionic-security/main amd64 Packages 100 /var/lib/dpkg/status 3.28.0-0ubuntu1 500 500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages lsb_release -rd: Description: Ubuntu 18.04.1 LTS Release: 18.04 ** Affects: gdm3 (Ubuntu) Importance: Undecided Status: New ** Tags: bionic -- Ubuntu 18.04.1 becomes unresponsive after Logout or Resume https://bugs.launchpad.net/bugs/1791054 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm3 in Ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs