I experience the same bug (Dell Dimension 9150, audio controller Intel 82801G). Downing my eth0 network interface was indeed the solution.
-- shutdown freeze on alsa shutdown https://bugs.launchpad.net/bugs/274995 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs