Re: Bug, kernel panic, NULL dereference , cleanup_once / icmp_route_lookup.clone.19.clone / nat , 2.6.39-rc7-git11

Denys Fedoryshchenko
2011-05-18T12:46:09Z

On Wed, 18 May 2011 13:44:07 +0200, Eric Dumazet wrote:
> Le mercredi 18 mai 2011 à 12:05 +0200, Eric Dumazet a écrit :
>> Le mercredi 18 mai 2011 à 12:53 +0300, Denys Fedoryshchenko a écrit
>> :
>>
>> > Yes, i will try. I should enable SLUB debugging only, or also
>> anything
>> > else?
>> >
>> > But possible it will take time to reproduce bug, seems it is
>> occuring
>> > rare. With 2.6.39 release i will rollout update to few hundreds
>> PPPoE's,
>> > maybe it will increase chances to get information.
>> >
>>
>> I would try both : slub_debug=ZFP slub_nomerge
>>
>> or maybe only slub_debug=ZFPU
>>
>> Thanks !
>>
>
> Hmm, do you have both ipv6/ipv4 trafic on your machine by any chance
> ?
It is NAS, has ipv6 enabled recently (i am preparing for ipv6), but
ipv6 is not routed anywhere, maybe just automatically addresses
appearing on interfaces, including the one looking to customer subnet.
ppp is ipv4 only.