Is there a reason you use the word "crash"? If there is any evidence of a crash then please clarify where it is. It might be helpful to check for crashes using these instructions: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment
Certainly there's a lot of freezing I can see in your log. Some of it looks like old bug 1867639 and bug 1824855 (which are closed). Please try uninstalling fingerprint support with: sudo apt remove fprintd then reboot and tell us if the problem reoccurs. ** Also affects: libfprint (Ubuntu) Importance: Undecided Status: New ** Changed in: libfprint (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1913453 Title: gnome-shell freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1913453/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs