Try using 'apport-cli' instead of 'ubuntu-bug'. If crash reports still get rejected then check that all your packages are up to date before reporting another:
sudo apt update sudo apt full-upgrade -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2020049 Title: gnome-shell crashed with SIGSEGV in clutter_stage_view_get_onscreen() from meta_stage_impl_add_onscreen_frame_info() from add_onscreen_frame_info() from post_finish_frame() from try_post_latest_swap() Status in mutter package in Ubuntu: Fix Released Status in mutter source package in Lunar: Fix Committed Status in mutter source package in Mantic: Fix Released 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 44.0-2ubuntu3, the problem page at https://errors.ubuntu.com/problem/c675f1d61cef940571272d7e655162f1b1cddab1 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/. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2020049/+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