Re: Unaligned accesses on a DECstation 3100/Ultrix 4.0

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Article #2477

#2477

From: John T Kohl
Date: Wed, 28 Nov 1990 14:41

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In article <11824@spool.cs.wisc.edu> elliott@veronica.cs.wisc.edu (James Elliott) writes:

< Rather than sending a SIGBUS, it prints 

< Fixed up unaligned data access for pid 5285 (adacs) at pc 0x41bc0c

< Now, my problem is that I want to get >rid< of these unaligned
< accesses, because I consider them bugs.

Since it apparently won't generate SIGBUS (unless the kernel addressing
fixup fails, in 3.1) , have you considered setting a breakpoint at the
particular PC value(s) which generate these errors?
--
John Kohl <jtkohl@ATHENA.MIT.EDU> or <jtkohl@MIT.EDU>
Digital Equipment Corporation/Project Athena
(The above opinions are MINE.  Don't put my words in somebody else's mouth!)

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!mintaka!bloom-beacon!news.mit.edu!jtkohl
From: jtkohl@MIT.EDU (John T Kohl)
Newsgroups: comp.sys.dec
Subject: Re: Unaligned accesses on a DECstation 3100/Ultrix 4.0
Message-ID: <JTKOHL.90Nov28094147@lycus.MIT.EDU>
Date: 28 Nov 90 14:41:47 GMT
References: <11824@spool.cs.wisc.edu>
Sender: daemon@athena.mit.edu (Mr Background)
Organization: MIT Project Athena
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In-Reply-To: elliott@veronica.cs.wisc.edu's message of 28 Nov 90 01:06:39 GMT

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