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Date:      Wed, 2 Nov 2005 10:35:05 +0100
From:      Max Laier <max@love2party.net>
To:        freebsd-current@freebsd.org
Subject:   Re: CURRENT + amd64 + user-ppp = panic
Message-ID:  <200511021035.22990.max@love2party.net>
In-Reply-To: <20051102014239.O654@kushnir1.kiev.ua>
References:  <20051027022313.R675@kushnir1.kiev.ua> <200510311231.33322.jhb@freebsd.org> <20051102014239.O654@kushnir1.kiev.ua>

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On Wednesday 02 November 2005 00:53, Vladimir Kushnir wrote:
> On Mon, 31 Oct 2005, John Baldwin wrote:
> > On Sunday 30 October 2005 05:17 pm, Vladimir Kushnir wrote:
> >> A bit further.
> >>
> >> On Sun, 30 Oct 2005, Vladimir Kushnir wrote:
> >>> OK, here it is. It's happened between 2005.10.21.19.42.50 and
> >>> 2005.10.22.05.07.00.
> >>> Since then, panic is absolutely reproducible.
> >>
> >> Actually, when I took INET6 from kernel (once again, it's GENERIC) the=
se
> >> panics stop.
> >
> > Hmmm.  Are those timestamps UTC?  If so, there's nothing worthwhile that
> > changed in there:
>
> Sorry I was a bit vague.
>
> > suz         2005-10-21 16:23:01 UTC
> >
> >  FreeBSD src repository
> >
> >  Modified files:
> >    sys/netinet          icmp6.h
> >    sys/netinet6         icmp6.c in6.c in6.h in6_ifattach.c
> >                         in6_ifattach.h in6_var.h ip6_output.c
> >                         mld6.c mld6_var.h nd6.c nd6.h nd6_nbr.c
> >                         nd6_rtr.c
> >    share/doc/IPv6       IMPLEMENTATION
>
> This was when panics begun. And they're still here.

That brings me back to ln_timer_ch as the culprit.  Could you please build=
=20
with this patch and get me the console output shortly before the panic?

=2D-=20
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Index: nd6.c
===================================================================
RCS file: /usr/store/mlaier/fcvs/src/sys/netinet6/nd6.c,v
retrieving revision 1.62
diff -u -p -r1.62 nd6.c
--- nd6.c	22 Oct 2005 05:07:16 -0000	1.62
+++ nd6.c	31 Oct 2005 18:49:58 -0000
@@ -395,6 +395,7 @@ nd6_llinfo_settimer(ln, tick)
 	struct llinfo_nd6 *ln;
 	long tick;
 {
+	printf("For %p %ld ticks\n", ln, tick);
 	if (tick < 0) {
 		ln->ln_expire = 0;
 		ln->ln_ntick = 0;

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