Date: Thu, 25 Apr 1996 01:05:41 -0400 (EDT) From: "Marc G. Fournier" <scrappy@ki.net> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: stable@freebsd.org Subject: Re: 9 makes + 1 caused panic... Message-ID: <Pine.NEB.3.93.960425010408.1138Q-100000@freebsd.ki.net> In-Reply-To: <199604250320.MAA22274@genesis.atrad.adelaide.edu.au>
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On Thu, 25 Apr 1996, Michael Smith wrote: > Marc G. Fournier stands accused of saying: > > > > > > fp is dereferenced a few lines above, and I can't imagine how the structure > > > would have become write-protected by accident... > > > > > > > hardware or software bug then? :( > > Almost certainly hardware; modulo any judgement by John wrt. the changes > he's made in the VM area in the last few days. Most of them had to do > with accidentally unmapping more than was apprpriate, which would > have given you a 'page not present' fault, not a 'write protect' fault. > Okay, I have the new pmap code in place, and a fresh kernel...tomorrow I'll try once more to force the machine to panic...I'm working at getting a new "simple" machine put together that I can pressure test and put online, but its goingn to take a couple of weeks, so have to make due with what I have now :( Marc G. Fournier scrappy@ki.net Systems Administrator @ ki.net scrappy@freebsd.org
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