From owner-freebsd-stable@FreeBSD.ORG  Wed May 18 22:55:01 2005
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Date: Wed, 18 May 2005 15:54:59 -0700 (PDT)
From: Doug White <dwhite@gumbysoft.com>
To: Jamie Heckford <jamie@tridentmicrosystems.co.uk>
In-Reply-To: <20050518222937.GA13356@nipples.trident-uk.co.uk>
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cc: Peter Jeremy <PeterJeremy@optushome.com.au>
cc: freebsd-stable@freebsd.org
cc: freebsd-hackers@freebsd.org
Subject: Re: 5.4-RC2 freezing - ATA related?
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On Wed, 18 May 2005, Jamie Heckford wrote:

> Hi Peter,
>
> On Thu, May 19, 2005 at 05:53:12AM +1000, Peter Jeremy wrote:
> > On Wed, 2005-May-18 16:03:16 +0100, Jamie Heckford wrote:
> > >Managed to get a dump on our system for a similar prob we are getting:
> >
> > That traceback looks like a panic, not a deadlock.  What was the panic
> > message?
>
> Only have remote access to the box im afraid, is there anyway I can obtain
> the panic message?

"print msgbuf" should do it

>
> >
> > >#2  0xc0513474 in panic (fmt=0xc06c3da5 "%s") at /usr/src/sys/kern/kern_shutdown.c:566
> > ...
> > >#7  0xc0510018 in crcopy () at /usr/src/sys/kern/kern_prot.c:1810
> > >#8  0xc0598c77 in in_pcbdetach (inp=0xc0743a40) at /usr/src/sys/netinet/in_pcb.c:720
> > >#9  0xc05b21a6 in tcp_close (tp=0x0) at /usr/src/sys/netinet/tcp_subr.c:783
> >
> > There's something wrong here:  If tcp_close() is passed NULL it will panic
> > at this point when it tries to dereference tp.
>
> Starting to stretch my knowledge a bit now ;)
>
> If I can provide you with further debug output would you be able to give me some
> pointers?
>
> Thanks for your help
>
>

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org