I have this error also in GNOME Shell 45.3. I often occurs after suspend while 4K external monitor is connected.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1754687 Title: gnome-shell crashes with meta_monitor_manager_get_logical_monitor_from_number: assertion '(unsigned int) number < g_list_length (manager->logical_monitors)' failed Status in GNOME Shell: Fix Released Status in gnome-shell package in Ubuntu: Fix Released Bug description: I have a kaby lake nuc (NUC7i5BNK) connected to a Samsung 4K tv over hdmi. If i turn the TV off, when i switch it back on, the session is killed and I'm sent back to the login screen. Occurs on 17.10 and 18.04 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: mutter 3.27.92-1 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 Date: Fri Mar 9 15:02:50 2018 InstallationDate: Installed on 2017-12-01 (98 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) SourcePackage: mutter UpgradeStatus: Upgraded to bionic on 2018-03-09 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1754687/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
