syscons problem in ddb, if_afdata initialization (was: Re:
5.3-BETA3 , panic, probably IPv6+SMP+mpsafenet related)
rwatson at freebsd.org
Sat Sep 4 22:55:24 PDT 2004
On Sun, 5 Sep 2004, Sangwoo Shim wrote:
> I've reported nd6_slowtimo related panic some while ago. Please check
> kern/70393. mlaier@ suggested a patch to address this, but that wasn't
> work for me. I'll try your patch and report. Thanks.
This patch may only fix the problem if running with debug.mpsafenet=0; I'm
currently exploring the more general if_afdata issues, and will look at
Max's patch (etc) in the report. I hope to have a patch that solves it in
the non-mpsafenet case in a day or two.
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org Principal Research Scientist, McAfee Research
> On Sat, Sep 04, 2004 at 03:33:28PM -0400, Robert Watson wrote:
> > On Sat, 4 Sep 2004, Jan Srzednicki wrote:
> > > OK. I'm not sure if I'm doing that the right way, but here it is:
> > Yes, this was exactly what I was looking for. Thanks!
> > <snip>
> > > Hope this helps.
> > >
> > > It's also worth noting that on the previous kernel (that is: FreeBSD
> > > 5.3-BETA2 (SIN) #9: Sun Aug 29 14:24:19 CEST 2004) nothing like that
> > > happened, so it appears to be somehow related to (or uncovered by) some
> > > very recent commit.
> > Could you try this patch:
> > Index: nd6.c
> > ===================================================================
> > RCS file: /home/ncvs/src/sys/netinet6/nd6.c,v
> > retrieving revision 1.44
> > diff -u -r1.44 nd6.c
> > --- nd6.c 23 Aug 2004 03:00:27 -0000 1.44
> > +++ nd6.c 4 Sep 2004 19:34:39 -0000
> > @@ -134,6 +134,7 @@
> > nd6_init_done = 1;
> > /* start timer */
> > + callout_init(&nd6_slowtimo_ch, 0);
> > callout_reset(&nd6_slowtimo_ch, ND6_SLOWTIMER_INTERVAL * hz,
> > nd6_slowtimo, NULL);
> > }
> > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
> > robert at fledge.watson.org Principal Research Scientist, McAfee Research
> > _______________________________________________
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