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SubjectRe: kernel 2.6.37 : oops in cleanup_once
Le 02/02/2011 12:24, Eric Dumazet a écrit :
> Le mercredi 02 février 2011 à 11:52 +0100, Eric Dumazet a écrit :
>> Le mercredi 02 février 2011 à 09:53 +0100, Yann Dupont a écrit :
>>> Hello.
>>> We recently upgraded one machine with vanilla 2.6.37, and experienced 2
>>> kernel oops since. Each oops is after ~1 week of uptime.
>>> The last oops was last night but we didn't had any trace.
> oops, 2.6.37 "only"
>> Yes this is a known problem.
>> Please try commit 3408404a4c2a4eead9d73b0bbbfe3f225b65f492
>> (inetpeer: Use correct AVL tree base pointer in inet_getpeer())
>> I believe David will send it to stable team shortly, if not already
>> done :)
> Please ignore, this patch was for linux-2.6 tree, 2.6.37 was not
> affected by the problem.
> So its another problem... Is there anything particular you do on this
> machine ?
Nothing really special there, we run a lot (20) of KVM guest (mainly
linux firewalls for lots of differents vlan), so we have a lot of
bridges vlan & tun/tap.
Oh, and CONFIG_BRIDGE_IGMP_SNOOPING is set to n (because of the other
bug already sent to netdev - more to come on next mail)

Hard to say if this BUG is new in 2.6.37. This host was running fine
with since August 2010.
Bisecting will be hard due to the time to trigger the bug (and the fact
that this machine is a production machine)

Anyway, I can test with a specific kernel version if you suspect something.


Yann Dupont - Service IRTS, DSI Université de Nantes
Tel : - Mail/Jabber :

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