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Date:      Sat, 6 Oct 2001 11:16:23 +0100
From:      David Malone <dwmalone@maths.tcd.ie>
To:        mki <mki@mozone.net>
Cc:        stable@freebsd.org
Subject:   Re: panic in 4.4-stable (10/01 snap); help needed
Message-ID:  <20011006111623.A75883@walton.maths.tcd.ie>
In-Reply-To: <20011005192458.G1671@cyclonus.mozone.net>; from mki@mozone.net on Fri, Oct 05, 2001 at 07:24:58PM -0700
References:  <20011005192458.G1671@cyclonus.mozone.net>

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On Fri, Oct 05, 2001 at 07:24:58PM -0700, mki wrote:
> A couple of my machines have panic'd (rather randomly it seems)
> but on one of them, I was able to get a dump.  The stack trace
> is included below, if anyone can help, it'd be greatly 
> appreciated (on the machine below, there were no nfs mount points).

It looks like you are using NQNFS - you'd be better avoiding it if
you can. AFAIK it has been removed from -current. Using NFSv3 would
probably be safer.

> #6  0xc01adac6 in nqsrv_getlease (vp=0xfc106f00, duration=0xfbaa1e1c, flags=5, slp=0xffffffff, procp=0xf1884c20, nam=0x0,
>     cachablep=0xfbaa1e20, frev=0xfbaa1e24, cred=0xd2ad8800) at /usr/src/sys/nfs/nfs_nqlease.c:228

It looks like is is dereferencing a bad pointer in this frame. You
could try saying "frame 6", "list" and "print lp" to see if you
can find out what is going on.

	David.

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