kern/122283: [ip6] [panic] Panic in ip_output related to IPv6 routes (fwd)

[Pekka Savola]

The following reply was made to PR kern/122283; it has been noted by GNATS.

From: Pekka Savola <pekkas at netcore.fi>
To: bug-followup at freebsd.org
Cc:  
Subject: kern/122283: [ip6] [panic] Panic in ip_output related to IPv6 routes
 (fwd)
Date: Tue, 13 May 2008 14:04:31 +0300 (EEST)

 FYI,
 
 I got hit by this after upgrading a dual-CPU system (6to4 relay) from 6.3 to 
 7.0.  At the same time I enabled SMP.  I'm going to try to disable SMP but I 
 don't know if it helps.
 
 The backtrace seems somewhat similar, unfortunately I have less information 
 than you do:
 
 Tracing pid 12 tid 100003 td 0xc4d08880
 ip_output(c5434700,0,c5001804,0,0,...) at ip_output+0x15c
 stf_output(c4fd3c00,c5430a00,c08166c4,c51ced20,0,...) at stf_output+0x431
 nd6_output(c4fd3c00,c4fd3c00,c5430a00,c08166c4,c51ced20,...) at 
 nd6_output+0x70d
 ip6_forward(c5430a00,0,10,1,0,...) at ip6_forward+0x88d
 ip6_input(c5430a00,c058019e,1,93472,c4d08880,...) at ip6_input+0xd7e
 netisr_processqueue(1,e0633985,202,1000000,c4d08880,...) at 
 netisr_processqueue+0xcd
 swi_net(0,0,c0788ef0,46b,0,...) at swi_net+0xbe
 ithread_loop(c4cc58f0,e529dd38,0,0,0,...) at ithread_loop+0x1ab
 fork_exit(c056d8e0,c4cc58f0,e529dd38) at fork_exit+0x99
 fork_trampoline() at fork_trampoline+0x8
 
 -- 
 Pekka Savola                 "You each name yourselves king, yet the
 Netcore Oy                    kingdom bleeds."
 Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings