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.
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.