Date: Sun, 30 Mar 1997 13:09:43 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: David Lowe <dlowe@sirius.com> Cc: questions@freebsd.org Subject: Re: Fatal double fault... Message-ID: <Pine.BSI.3.94.970330130903.242c-100000@localhost> In-Reply-To: <Pine.NXT.3.95q.970327122010.2079A-100000@ds9>
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On Thu, 27 Mar 1997, David Lowe wrote:
> I've got a new Pentium Pro 150, 64MB RAM, running FreeBSD 2.2.1. The
> machine was running 2.2.0 for about a day, and seemed to be solid. I
> cvsupped 2.2.1 yesterday, built a new kernel, and ran make world before I
> left yesterday. This morning, the machine was hosed (it had apparently
> rebooted at least once overnight, and was totally hung when I got here).
>
> I built a new kernel with DDB enabled, and played around with it for a
> while, but was unable to cause a crash. It was when I came back to it
> after leaving for a few minutes (about 10 or 15, i think) that it was
> down.
>
> I've been able to duplicate this several times now - leave the machine
> alone for 10-15 minutes, and...
>
> Fatal double fault:
> eip = 0xf01bc45c
> esp = 0xefbfe000
> ebp = 0xefbfe058
> panic: double fault
> Debugger("panic")
>
> [now it's completely hung, needs to be rebooted...]
>
> Does this point to some unhandled power management feature, since it only
> seems to happen when the machine is idling? Bad RAM? Screwy BIOS things?
> This is the first time I've used a PPro - any quirks I should know about?
Not sure. Report to hackers@freebsd.org, they've been working with
another double fault and may be able to help you.
Doug White | University of Oregon
Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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