I have had the same problem, and would like to confirm.
A fix for this is to do sudo chmod a+rw /lib/udev/devices/null ** Changed in: Ubuntu Sourcepackagename: None => udev Status: Unconfirmed => Confirmed -- "bash: /dev/null: Permission denied" on GNOME Login as Regular User... https://launchpad.net/bugs/63031 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs