>> Are you running it when it happens ?
>> If to, try to reproduce this in text mode, on vt0 (ctrl-alt-f1 to switch
>> console). I suspect the machine panics and fall in debugger.
>> At the db> prompt, type tr and report us this, along with the panic message.
>hi, I get some message by using gdb. I hope this will be helpful. :)

	this does not seem like a hang-up.  i guess newaliases is making a lot
	of DNS lookups and looks inactive.  can't you kill newaliases by ^C?
	if so, we don't call it a hang up.

itojun