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From: Skip Tavakkolian <9nut@9ne...>
Subject: drawterm cpunote
Date: Sun, 24 Sep 2006 13:09:46 -0700

this code in kern/devcons.c 

	case Qcpunote:
		sleep(&up->sleep, return0, nil);

does it hang a blockingslave in exportfs, pending a read?
for drawterm, the net effect is that rmtnoteproc in
cpu.c gets an error when drawterm goes away which
then kills rc. correct?