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Path: utzoo!linus!philabs!cmcl2!seismo!mcvax!vu44!botter!tjalk!cogito
From: cogito@tjalk.UUCP (Robbert van Renesse)
Newsgroups: net.bugs.4bsd
Subject: bug in VAX micro code (bisl2)
Message-ID: <493@tjalk.UUCP>
Date: Mon, 29-Jul-85 20:24:08 EDT
Article-I.D.: tjalk.493
Posted: Mon Jul 29 20:24:08 1985
Date-Received: Thu, 1-Aug-85 05:05:40 EDT
Reply-To: cogito@tjalk.UUCP (Robbert van Renesse)
Organization: VU Informatica, Amsterdam
Lines: 13

In the process of developing a distributed operating system, I ran into
a problem which looks like a bug in the VAX 750 micro code for bisl2.
The situation is something like this:

	# kernel mode, memory management enabled (map is 1-1)
	# 4(ap) contains 0x80000001
	bisl2	$0x80000000,4(ap)
	# now 4(ap) contains 1

Is this a bug indeed? The revision level of the micro code is 98.
-- 
			Robbert van Renesse
			cogito@vu44.UUCP