Date: Mon, 16 Jul 2001 10:16:23 -0700 From: bmah@FreeBSD.ORG (Bruce A. Mah) To: JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=?= <jinmei@isl.rdc.toshiba.co.jp> Cc: bmah@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: IPV6 panic? Message-ID: <200107161716.f6GHGO207568@intruder.bmah.org> In-Reply-To: <y7vd771t290.wl@condor.jinmei.org> References: <200107121019.f6CAJqI85911@zibbi.icomtek.csir.co.za> <200107121548.f6CFmZF15294@intruder.bmah.org> <y7vd77683z7.wl@condor.jinmei.org> <200107150827.f6F8Rxh02585@intruder.bmah.org> <y7vd771t290.wl@condor.jinmei.org>
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If memory serves me right, JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=
?= wrote:
> Hmm, could you show us the contents of "rt" and "ln" at this point?
(kgdb) print rt
$1 = (struct rtentry *) 0x3
(kgdb) print ln
$2 = (struct llinfo_nd6 *) 0x620000
> If possible, it would be helpful to see if the chain of llinfo
> starting at llinfo_nd6, too.
Typos filtered out...if this is supposed to be a circular linked list,
I think I got it all.
(kgdb) print llinfo_nd6
$3 = {ln_next = 0xc1422100, ln_prev = 0xc12d91e0, ln_rt = 0x0, ln_hold = 0x0,
ln_asked = 0, ln_expire = 0, ln_state = 0, ln_router = 0, ln_byhint = 0}
(kgdb) print *(llinfo_nd6.ln_next)
$5 = {ln_next = 0xc1366900, ln_prev = 0xc0388ee0, ln_rt = 0xc15b0100,
ln_hold = 0x0, ln_asked = 0, ln_expire = 995175630, ln_state = 2,
ln_router = 1, ln_byhint = 0}
(kgdb) print *(llinfo_nd6.ln_next)->ln_next
$6 = {ln_next = 0xc1366b80, ln_prev = 0xc1422100, ln_rt = 0xc13a3c00,
ln_hold = 0x0, ln_asked = 0, ln_expire = 0, ln_state = 1, ln_router = 0,
ln_byhint = 0}
(kgdb) print *(llinfo_nd6.ln_next)->ln_next->ln_next
$7 = {ln_next = 0xc12d91e0, ln_prev = 0xc1366900, ln_rt = 0xc139d200,
ln_hold = 0x0, ln_asked = 0, ln_expire = 0, ln_state = 1, ln_router = 0,
ln_byhint = 0}
(kgdb) print *(llinfo_nd6.ln_next)->ln_next->ln_next->ln_next
$8 = {ln_next = 0xc0388ee0, ln_prev = 0xc1366b80, ln_rt = 0xc1308000,
ln_hold = 0x0, ln_asked = 0, ln_expire = 0, ln_state = 1, ln_router = 0,
ln_byhint = 0}
(kgdb) print *(llinfo_nd6.ln_next)->ln_next->ln_next->ln_next->ln_next
$9 = {ln_next = 0xc1422100, ln_prev = 0xc12d91e0, ln_rt = 0x0, ln_hold = 0x0,
ln_asked = 0, ln_expire = 0, ln_state = 0, ln_router = 0, ln_byhint = 0}
(kgdb) print *(llinfo_nd6.ln_next)->ln_next->ln_next->ln_next->ln_next->ln_next
$10 = {ln_next = 0xc1366900, ln_prev = 0xc0388ee0, ln_rt = 0xc15b0100,
ln_hold = 0x0, ln_asked = 0, ln_expire = 995175630, ln_state = 2,
ln_router = 1, ln_byhint = 0}
> And I'd also like to know the result of
> % netstat -rn -M corefile -N kernel_binary
intruder:bmah% sudo netstat -rn -M /var/crash/vmcore.1 -N /usr/obj/usr/src/sys/N
IMITZ/kernel.debug
Password:
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 192.168.1.1 UGSc 2 0 dc0
127.0.0.1 127.0.0.1 UH 2 21435 lo0
192.168.1 link#1 UC 3 0 dc0 =>
192.168.1.1 0:0:c0:cb:bd:f2 UHLW 5 17908 dc0 =>
192.168.1.3 0:0:f8:10:7a:a2 UHLW 0 119004 lo0
Internet6:
Destination Gateway Flags Netif
Expire
::/96 ::1 UGRSc lo0
=>
default fe80::200:c0ff:fecb:bdf2%dc0 UGc dc0
::1 ::1 UH lo0
::ffff:0.0.0.0/96 ::1 UGRSc lo0
fe80::/10 ::1 UGRSc lo0
fe80::%dc0/64 link#1 UC dc0
fe80::200:f8ff:fe10:7aa2%dc0 0:0:f8:10:7a:a2 UHL lo0
fe80::%lo0/64 fe80::1%lo0 Uc lo0
fe80::1%lo0 link#3 UHL lo0
fec0::1:200:c0ff:fecb:bdf2 0:0:c0:cb:bd:f2 UHL dc0
fec0::1:200:f8ff:fe10:7aa2 0:0:f8:10:7a:a2 UHL lo0
ff01::/32 ::1 U lo0
ff02::/16 link#1 UCS dc0
ff02::%dc0/32 link#1 UC dc0
ff02::%lo0/32 ::1 UC lo0
Hope this helps...let me know if you need anything else.
Thanks!
Bruce.
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