Please apply the workaround from bug 994921, and then look in /var/crash for crash files, then run:
ubuntu-bug /var/crash/YOURFILE.crash That will create a new bug report so please tell us here the ID of the newly-created bug. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753131 Title: gnome-shell crashes occasionally (libmutter) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1753131/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs