Re: kernel 2.6.37 : oops in cleanup_once

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 ?

...

quoted

-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