I have seen the same problem a couple of times on my laptop, but it was the binary-blob daemon that had been killed, if you experience the problem again, you could try "sudo /sbin/ipw3945d-`uname -r`" in a terminal.
-- must unload, reload ipw3945 module after hibernate https://launchpad.net/bugs/66266 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
