Date: Mon, 23 Apr 2007 18:32:07 +0100 From: Tom Judge <tom@tomjudge.com> To: Michael Proto <mike@jellydonut.org> Cc: freebsd-stable@freebsd.org Subject: Re: 6.2-STABLE (i386) Repeating crash (supervisor read, page not present) Message-ID: <462CED97.9070707@tomjudge.com> In-Reply-To: <462CE8FE.8060807@jellydonut.org> References: <462CA594.5000904@tomjudge.com> <20070423155728.GC1006@xor.obsecurity.org> <462CE8FE.8060807@jellydonut.org>
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Michael Proto wrote: > Kris Kennaway wrote: >> On Mon, Apr 23, 2007 at 01:24:52PM +0100, Tom Judge wrote: >>> Hi, >>> >>> Recently I have noticed that one of our Dell PE1950's has been crashing >>> a lot with the following reason "supervisor read, page not present". >>> >>> The system runs 6.2 Release under i386. >>> >>> I have attached 2 back traces, and I still have both cores if any more >>> information is required. Any light that can be shed on this problem >>> would be greatly appreciated. >>> <<<SNIP/>>> >> You might be hitting a bug in an obscure code path because of the >> above errors. I'm CC'ing someone who might be able to help. >> >> Kris >> > > Bear in mind that a recent "urgent" firmware update was released by Dell > last week for 1950, 1955, and 2950 systems that is supposed to fix some > data-corruption issues related to dual-core processors. I don't know if > this problem is a symptom of that, but it strongly suggested to apply > the firmware update regardless. > > I have just been to dells site and there are firmware updates for almost every component in the system released about 2 weeks ago (10-11/4). I have around 17 [12]950's waiting to go into pre production testing at the moment so I think that I will spend some time upgrading the firmware on them now rather than later. Thanks for the heads up. Tom
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