Re: kernel 2.6.37 : oops in cleanup_once

Yann Dupont
2011-03-14T10:52:49Z

Le 02/02/2011 16:08, Eric Dumazet a écrit :

> I suspect a mem corruption from another layer (not inetpeer)
>
> Unfortunately many kmem caches share the "64 bytes" cache.
>
> Could you please add "slub_nomerge" on your boot command ?
>
...

>
>> -Is there a very severe impact on performance ?
>>
> not at all
>
Maybe there is an impact after all : since then, we don't have problems
anymore !

linkwood:~# uptime
11:42:03 up 39 days, 17:08, 3 users, load average: 0.01, 0.03, 0.05

So... could slub_nomerge hide or simply avoid the problem ?
Or are we just lucky this time ?

--
Yann Dupont - Service IRTS, DSI Université de Nantes
Tel : 02.53.48.49.20 - Mail/Jabber : Yann.Dupont@univ-nantes.fr