I'm confirming that adding the line "ifconfig wlan0 down" fixed this problem for me as well. I'm using a Gateway M-7315u laptop.
-- storing mixer element values during shutdown hangs nondeterministically if wireless interfaces are still up 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