Date: Fri, 26 Dec 2008 12:38:43 -0500 From: "Glen Barber" <glen.j.barber@gmail.com> To: "Kris Kennaway" <kris@freebsd.org> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Kernel Trap during installworld caused unrecoverable system Message-ID: <4ad871310812260938u2fa1ff59n2eee4f3f1f5fc058@mail.gmail.com> In-Reply-To: <495515AE.4050606@FreeBSD.org> References: <4ad871310812260918h538d82c7s2f72f254bf08c26c@mail.gmail.com> <495515AE.4050606@FreeBSD.org>
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On Fri, Dec 26, 2008 at 12:34 PM, Kris Kennaway <kris@freebsd.org> wrote: > Glen Barber wrote: >> >> Hi folks. >> >> I was unfortunate enough to encounter a kernel trap in single user >> mode yesterday when upgrading from 7.1-RC1 to -RC2 using the typical >> build/install world. >> >> I'm still not sure what caused the trap, as the system was rebooting >> when I saw the screen. As one would expect, this led to an >> irrecoverable system; the system would automatically drop me into >> single user mode, as it could only mount the root directory; /bin/sh >> and /bin/csh would not work (had to use /restore/csh for the minimal >> digging I actually could do). >> >> So, now to the question. Given I could not mount anything other than >> /, would there have been any way for me to gather debugging >> information on what caused this failure? (FWIW, I am certain it is >> not a hardware failure.) > > You can proceed recovering the system using the tools in /rescue, and once > you have shared libraries working again, run savecore to save the crashdump > (assuming one was made). > Hi, Kris. I'll do some digging later today. I appreciate your response. -- Glen Barber
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