Date: Tue, 13 May 2008 06:49:05 -0700 From: Nick Sayer <nsayer@kfu.com> To: Pekka Savola <pekkas@netcore.fi> Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/122283: [ip6] [panic] Panic in ip_output related to IPv6 routes Message-ID: <5DD1AFF5-B437-4D9C-BFCE-D55CD4BFAB07@kfu.com> In-Reply-To: <alpine.LRH.1.10.0805131339320.25357@netcore.fi> References: <alpine.LRH.1.10.0805131339320.25357@netcore.fi>
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I too have an SMP machine - a core 2 duo. I rather suspect that the bug is elsewhere - something is pooching the route table, then this code is stumbling over the results. On May 13, 2008, at 3:42 AM, Pekka Savola wrote: > Hi Nick, > > 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
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