Your attach logs also show a segfault: jan 17 07:12:01 hostname gnome-session-binary[1308]: WARNING: Application 'org.gnome.Shell.desktop' killed by signal 11
However to work on this bug we will need to know at least the stack trace of the crash. Please look in /var/crash for relevant crash files and then: 1. Change this bug from Public to Private(!) 2. Attach the crash file(s) from gnome-shell here. ** Changed in: gnome-shell (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/1743732 Title: Gnome shell crashes at lock screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1743732/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs