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

[Nick Sayer]

The machine is a server, and this doesn't ordinarily happen when I am  
logged in or otherwise administering the machine. It can happen at any  
time of day or night. I suspect it is simply processing packets.

On Jun 17, 2008, at 10:07 AM, Christian S.J. Peron wrote:

> On Fri, Jun 06, 2008 at 05:20:03PM +0000, Nick Sayer wrote:
>> The following reply was made to PR kern/122283; it has been noted  
>> by GNATS.
>>
>> From: Nick Sayer <nsayer at kfu.com>
>> To: bug-followup at FreeBSD.org
>> Cc:
>> Subject: Re: kern/122283: [ip6] [panic] Panic in ip_output related  
>> to IPv6 routes
>> Date: Fri, 6 Jun 2008 10:10:56 -0700
>>
>> That stack trace looks like one of the alternate stack traces I have
>> observed. With the debugging symbols, it turns out to be in line 518
>> of if_stf.c, which says
>>
>> RTFREE(sc->sc_ro.ro_rt);
>>
>> which, once again, points back to something being pooched in the  
>> route
>> table.
>>
>
> Is there anything going on when this happens? i.e. are you  
> destroying a device,
> adding a route etc? Or is it simply routing packets when it occurs?