The new issue in comment #4 looks like it is caused by: Sep 7 20:56:44 testclient02 kernel: [ 8033.083994] gnome-session-c[17886]: segfault at 0 ip 0000000000000000 sp 00007fff3e56c0c8 error 14 in gnome-session-check-accelerated[55a3aab07000+2000] Sep 7 20:56:44 testclient02 kernel: [ 8033.280184] gnome-session-c[17894]: segfault at 0 ip 0000000000000000 sp 00007ffec18dc608 error 14 in gnome-session-check-accelerated[55f0ca8b7000+2000] Sep 7 20:56:44 testclient02 gnome-session[17885]: gnome-session-binary[17885]: WARNING: software acceleration check failed: Child process killed by signal 11 Sep 7 20:56:44 testclient02 gnome-session[17885]: gnome-session-binary[17885]: CRITICAL: We failed, but the fail whale is dead. Sorry.... Sep 7 20:56:44 testclient02 gnome-session-binary[17885]: WARNING: software acceleration check failed: Child process killed by signal 11 Sep 7 20:56:44 testclient02 gnome-session-binary[17885]: CRITICAL: We failed, but the fail whale is dead. Sorry....
For that, please look in /var/crash for crash files, and then run: ubuntu-bug /var/crash/YOURFILE.crash and tell us any new bug IDs. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1791054 Title: Ubuntu 18.04.1 becomes unresponsive after Logout or Resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1791054/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs