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Date:      Tue, 28 Dec 1999 09:26:23 -0800 (PST)
From:      Tom <tom@uniserve.com>
To:        Mike Smith <msmith@freebsd.org>
Cc:        "Mr. K." <bsd@inbox.org>, stable@freebsd.org
Subject:   Re: panic 
Message-ID:  <Pine.BSF.4.02A.9912280925410.9441-100000@shell.uniserve.ca>
In-Reply-To: <199912280626.WAA01224@mass.cdrom.com>

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On Mon, 27 Dec 1999, Mike Smith wrote:

> > > > Totally untweaked kernel.  I didn't get to tweaking yet.  I shouldn't have
> > > > to tweak anything to make the kernel not panic, though...  Not
> > > > complaining, just pre-empting possible flames.
> > > 
> > > That's completely incorrect.
> > 
> >   I don't know what part of the above you say is incorrect.
> > 
> >   FreeBSD has a tendency to panic in out of mbuf situations.  That
> > shouldn't happen.
> 
> The semantics of "should" and "shouldn't" are debatable.  In this case, 
> the panic is a simple indicator that the administrator hasn't correctly 
> tuned the system.  Many would argue that this is a much better outcome 
> than a system that performs poorly for no immediately perceptible reason, 
> and it certainly encourages the prompt application of a correct 
> adjustment.

  Well, in FreeBSD 2.2.x, an "Out of mbufs!" message was printed on the
console, and there was no panic.

> -- 
> \\ Give a man a fish, and you feed him for a day. \\  Mike Smith
> \\ Tell him he should learn how to fish himself,  \\  msmith@freebsd.org
> \\ and he'll hate you for a lifetime.             \\  msmith@cdrom.com


Tom



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