From owner-freebsd-alpha  Sat Apr 17 19:25:12 1999
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Date: Sun, 18 Apr 1999 11:22:44 +0900
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From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: gallatin@cs.duke.edu
Cc: tlambert@primenet.com, alpha@FreeBSD.ORG
Subject: Re: egcs ready for alpha?
In-Reply-To: In your message of "Sat, 17 Apr 1999 20:55:27 -0400 (EDT)"
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At Sat, 17 Apr 1999 20:55:27 -0400 (EDT),
Andrew Gallatin <gallatin@cs.duke.edu> wrote:
> Given that there are multiple sysctl's defining the behaviour, I'm not
> sure what what you mean by zero and one, but I assume you mean you
> want it to default to machdep.unaligned_sigbus=1?
> 
> Well, currently it defaults to:
> 
> machdep.unaligned_print: 1
> machdep.unaligned_fix: 1
> machdep.unaligned_sigbus: 0
> 
> This amounts to what I call 'whiny fixup', which is the behaviour
> people have come to expect when running on this platform.  At least
> this is what Digital UNIX, NetBSD and Linux default to.
> 
> All Hidetoshi Shimokawa's commit did was to give you the ability to
> easily change this default via a sysctl. 
> 

Thank you for your explanation. This is exactly what I did.

In my local tree, I replaced uprintf's with printf's for printing
unaligned access so that they will be logged by syslogd.

I have also 'machdep.unaligned_sigbus=1' in my rc.local to prevent
too much warnnings.

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp





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