*** This bug is a duplicate of bug 1717170 *** https://bugs.launchpad.net/bugs/1717170
JournalError.txt above is showing: Oct 09 17:45:17 username-PROLINE-DQ57TM org.gnome.Shell.desktop[1262]: mutter:ERROR:backends/meta-monitor- manager.c:2267:meta_monitor_manager_get_logical_monitor_from_number: assertion failed: ((unsigned int) number < g_list_length (manager->logical_monitors)) So this was a duplicate of bug 1717170 (already fixed). If you continue to have problems then please open a new bug. ** This bug has been marked a duplicate of bug 1717170 gnome-shell crashes with SIGABRT: mutter:ERROR:backends/meta-monitor-manager.c:2274:meta_monitor_manager_get_logical_monitor_from_number: assertion failed: ((unsigned int) number < g_list_length (manager->logical_monitors)) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722353 Title: Screen blanking and/or screen lock crashes gnome-shell user session on wayland - Ubuntu 17.10 beta To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1722353/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs