Date: Sat, 24 Aug 2002 12:50:44 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Patrick O'Reilly <bsd@perimeter.co.za> Cc: FreeBSD Question List <freebsd-questions@freebsd.org> Subject: Re: ! Fatal trap 12: System Crash twice in last 2 days Message-ID: <20020824032044.GT87563@wantadilla.lemis.com> In-Reply-To: <02be01c249cd$856139a0$b50d030a@PATRICK> References: <025201c24833$3144f550$b50d030a@PATRICK> <02be01c249cd$856139a0$b50d030a@PATRICK>
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On Thursday, 22 August 2002 at 13:17:33 +0200, Patrick O'Reilly wrote:
> Gents,
>
> OK - she's fallen over two more times overnight.
>
> I have included below the output from gdb, following the prompting of
> the onlamp article by Michael Lucas. This is the first time I have ever
> used gdb or anything like it, so please forgive me for stopping my
> digging so quickly.
>
> BTW: Michael Lucas suggests posting this info to hackers@freebsd.org.
> Greg: Should I move this thread over to that list, or shall we pursue it
> here?
There seems to be some interest on this lists. -hackers is pretty
dead at the moment, so we could leave it here.
> #4 0xc026e1a1 in trap_pfault (frame=0xcc8c5b54, usermode=0, eva=0) at
> /usr/src/sys/i386/i386/trap.c:859
> #5 0xc026dd47 in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16,
> tf_edi = -1053490176, tf_esi = 1, tf_ebp = -863216728,
> tf_isp = -863216768, tf_ebx = -1053683168, tf_edx = -1055428608,
> tf_ecx = 0, tf_eax = 0, tf_trapno = 12, tf_err = 0,
> tf_eip = -1056180387, tf_cs = 8, tf_eflags = 66182, tf_esp
> = -1055428608, tf_ss = -1055426560})
> at /usr/src/sys/i386/i386/trap.c:458
> #6 0xc10bf75d in ?? ()
> #7 0xc10bf582 in ?? ()
> #8 0xc10bf3ea in ?? ()
> #9 0xc019241c in spec_strategy (ap=0xcc8c5c2c) at
> /usr/src/sys/miscfs/specfs/spec_vnops.c:479
Hmm, I didn't notice this before. Frames 6 to 8 are probably Vinum;
see details of how to make them visible at
http://www.vinumvm.org/vinum/how-to-debug.html.
Greg
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