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From: bruce@think.ARPA (Bruce Nemnich)
Newsgroups: net.unix-wizards
Subject: Re: VAX \"pagein mfind\" crash
Message-ID: <1608@think.ARPA>
Date: Mon, 13-May-85 14:45:23 EDT
Article-I.D.: think.1608
Posted: Mon May 13 14:45:23 1985
Date-Received: Tue, 14-May-85 20:37:44 EDT
References: <10574@brl-tgr.ARPA>
Reply-To: bruce@think.UUCP (Bruce Nemnich)
Organization: Thinking Machines, Cambridge, MA
Lines: 18
Summary: 


I know of two possibilities.  First, if you installed a certain "fix"
which appeared in the security-issues mailing list, for which an
alternate (and better) fix was given in that forum recently (if you are
a recipient of that list you should understand), it can cause a panic
"pagin mfind" under certain circumstances.  Try running dbx on anything,
"stop in main", and "run".  When it breakpoints, stop (^Z) the dbx, and
try running the program.  If you panic, that's the problem (I know from
experience).

I also saw a bug report a few months back which will cause it if there
are more than 127 copies of a text image running.  A one-byte field with
the count is getting sign-extended.  I have not fixed this nor seen it
myself.

-- 
--Bruce Nemnich, Thinking Machines Corporation, Cambridge, MA
--bruce@think.arpa, ihnp4!think!bruce; +1 617 876 1111