*** This bug is a duplicate of bug 2050865 *** https://bugs.launchpad.net/bugs/2050865
Also your prevjournal.txt shows the whole crash: Jul 16 19:19:34 lpnc-Precision-7670 gnome-shell[2612]: meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed Jul 16 19:19:34 lpnc-Precision-7670 gnome-shell[2612]: ** Jul 16 19:19:34 lpnc-Precision-7670 gnome-shell[2612]: libmutter:ERROR:../src/core/window.c:5869:meta_window_get_work_area_for_logical_monitor: assertion failed: (logical_monitor) Jul 16 19:19:34 lpnc-Precision-7670 gnome-shell[2612]: Bail out! libmutter:ERROR:../src/core/window.c:5869:meta_window_get_work_area_for_logical_monitor: assertion failed: (logical_monitor) Jul 16 19:19:34 lpnc-Precision-7670 gnome-shell[2612]: GNOME Shell crashed with signal 6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2073030 Title: repetitive automatic logout when unplugging screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2073030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs