After login with username and password, I found the gdm-session-worker is crashed.
** Attachment added: "_usr_lib_gdm3_gdm-session-worker.0.crash" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1932289/+attachment/5505244/+files/_usr_lib_gdm3_gdm-session-worker.0.crash -- 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/1932289 Title: 'swipe finger' in login interface disappear and show up periodically To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1932289/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs