Bug 1924625 shows this crash happening on a machine with lots of extensions installed, which might explain why we've had trouble finding the cause.
-- 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/1886059 Title: gnome-shell crashed with assertion failure "!xcb_xlib_threads_sequence_lost" [xcb_io.c:260] Status in gnome-shell package in Ubuntu: Incomplete Status in mutter package in Ubuntu: Incomplete Bug description: The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 3.36.3-1ubuntu2, the problem page at https://errors.ubuntu.com/problem/5d9a112e0c6aeddb3cf972203bede962f60d767d contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. Similar errors: https://errors.ubuntu.com/problem/14911e4a22eec995bc364278c0490d8bfea557dd https://errors.ubuntu.com/problem/e3f9ab8232005403e935c6038edd99f13e609e01 https://errors.ubuntu.com/problem/9d421ecaba25357f5c3ef73f438313e40ac24e77 https://errors.ubuntu.com/problem/42cfd76250a81cca07f8c548ec27e245315b5e01 --- Anyone experiencing this crash reliably, please help us to find its root cause by editing your /etc/environment and adding a line: MUTTER_SYNC=1 and then reboot. Then next time a crash happens please tell us (here) the bug ID or error URL of the new crash. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1886059/+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
