Public bug reported: after upgrade my system using `sudo apt full-upgrade` and reboot, the system is stuck in login loop. later i using `rm -rf .gnome .gnome2 .gconf .gconfd .metacity .cache .dbus .dmrc .mission-control .thumbnails` command and fix Temporary problem. but logout and problem is back again.
finally i found problem and solving it: `sudo apt purge gnome-shell-extension-dashtodock` this may help: https://answers.launchpad.net/ubuntu/+question/658792 ** Affects: gnome-shell-extension-dashtodock (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1720593 Title: open teawks and crash session the system enters loop login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-dashtodock/+bug/1720593/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs