Re: kernel 2.6.37 : oops in cleanup_once

[Yann Dupont]

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


> 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 Università de Nantes
Tel : 02.53.48.49.20 - Mail/Jabber : Yann.Dupont@xxxxxxxxxxxxxx

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