Date: Tue, 23 Feb 2010 14:44:06 -0800 From: "Li, Qing" <qing.li@bluecoat.com> To: "Doug Barton" <dougb@freebsd.org>, <freebsd-net@freebsd.org> Subject: RE: Apparent IPv6 bug Message-ID: <B583FBF374231F4A89607B4D08578A43046737E6@bcs-mail03.internal.cacheflow.com> References: <4B843CC7.1000700@FreeBSD.org>
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Okay, I read through your core file and I think I see the problem now.=20
Let me try to get you a patch later tonight.
-- Qing
-----Original Message-----
From: owner-freebsd-net@freebsd.org on behalf of Doug Barton
Sent: Tue 2/23/2010 12:38 PM
To: freebsd-net@freebsd.org
Subject: Apparent IPv6 bug
=20
Howdy,
I've had the following crash twice now when leaving my system up =
overnight:
(kgdb) #0 doadump () at pcpu.h:246
#1 0xc05f64af in boot (howto=3D260)
at /usr/local/src/sys/kern/kern_shutdown.c:416
#2 0xc05f6792 in panic (fmt=3DVariable "fmt" is not available.
) at /usr/local/src/sys/kern/kern_shutdown.c:579
#3 0xc05e7dfa in _mtx_lock_sleep (m=3D0xc5e69e28, tid=3D3314788032, =
opts=3D0,
file=3D0xc08f2e6b "/usr/local/src/sys/netinet6/in6.c", line=3D827)
at /usr/local/src/sys/kern/kern_mutex.c:341
#4 0xc05e7ff1 in _mtx_lock_flags (m=3D0xc5e69e28, opts=3D0,
file=3D0xc08f2e6b "/usr/local/src/sys/netinet6/in6.c", line=3D827)
at /usr/local/src/sys/kern/kern_mutex.c:203
#5 0xc077829d in in6_update_ifa (ifp=3D0xc5e69c00, ifra=3D0xc5606b70,
ia=3D0xc8d41800, flags=3D0) at /usr/local/src/sys/netinet6/in6.c:827
#6 0xc07961ec in in6_tmpifadd (ia0=3D0xc5e90200, forcegen=3D0, =
delay=3D0)
at /usr/local/src/sys/netinet6/nd6_rtr.c:2007
#7 0xc079009c in regen_tmpaddr (ia6=3D0xc5e90000)
at /usr/local/src/sys/netinet6/nd6.c:772
#8 0xc07916d5 in nd6_timer (arg=3D0x0) at
/usr/local/src/sys/netinet6/nd6.c:666
#9 0xc06097ea in softclock (arg=3D0xc0987dc0)
at /usr/local/src/sys/kern/kern_timeout.c:430
#10 0xc05cfd95 in intr_event_execute_handlers (p=3D0xc5938aa0, =
ie=3D0xc593d600)
at /usr/local/src/sys/kern/kern_intr.c:1220
#11 0xc05d0b6f in ithread_loop (arg=3D0xc58ddb60)
at /usr/local/src/sys/kern/kern_intr.c:1233
#12 0xc05cdb28 in fork_exit (callout=3D0xc05d0ad0 <ithread_loop>,
arg=3D0xc58ddb60, frame=3D0xc5606d38)
at /usr/local/src/sys/kern/kern_fork.c:843
#13 0xc0849af0 in fork_trampoline ()
at /usr/local/src/sys/i386/i386/exception.s:270
(kgdb)
The full core.txt.1 file is in my home dir on freefall.
Doug
--=20
... and that's just a little bit of history repeating.
-- Propellerheads
Improve the effectiveness of your Internet presence with
a domain name makeover! http://SupersetSolutions.com/
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