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To: "Jonathan M. Bresler" <jmb@freefall.freebsd.org>
cc: jgreco@brasil.moneng.mei.com (Joe Greco), hackers@freebsd.org
Subject: Re: Latest 2.1R panic. Hmm. 
In-reply-to: Your message of "Wed, 28 Feb 1996 13:55:47 PST."
             <199602282155.NAA17206@freefall.freebsd.org> 
From: David Greenman <davidg@Root.COM>
Reply-To: davidg@Root.COM
Date: Wed, 28 Feb 1996 15:47:59 -0800
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>Joe Greco wrote:
>> #define MSG_BSIZE       (4096 - 3 * sizeof(unsigned int))
>> 
>> in sys/msgbuf.h.  There's my 4083.
>> 
>> Ok.  Well.  Can I safely bump this up, recompile dmesg and friends, and be
>> happy?  (yes syslog too, I know)
>
>	i bumped mine to 8k.  two weeks ago while hammering on the
>	anaconda scsi tape drive.  no problem (with teh 8k)  (report
>	on anaconda scsi in findal review)

   Is there a general consensus that wasting one extra page for the message
buffer by default is desired? I know I've overrun it myself on many systems,
and it's very annoying when it happens.
   If so, I'll make the change to an 8K buffer a standard part of FreeBSD.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project