Try looking at https://errors.ubuntu.com/user/ID where ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine. Do you find any links to recent problems on that page? If so then please send the links to us.
** Summary changed: - gnome shell freezes for a couple of seconds, then it restarts (maybe it crashes?) + [nvidia] gnome shell freezes for a couple of seconds, then it restarts (maybe it crashes?) ** Tags added: nvidia -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1908878 Title: [nvidia] gnome shell freezes for a couple of seconds, then it restarts (maybe it crashes?) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1908878/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs