What's the output of: grep -sr null /etc/udev/*
? ** Changed in: Ubuntu Importance: Untriaged => Medium Status: Unconfirmed => Needs Info -- Permissions changed in /dev/null in every boot https://launchpad.net/bugs/53040 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs