The error was caused by an impossibility to obtain a lock on the gshadow.lock file. The problem was solved by manually deleting the gshadow.lock file.
-- package gdm 2.30.2.is.2.30.0-0ubuntu3 failed to install/upgrade: https://bugs.launchpad.net/bugs/619501 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
