Messages in this thread | | | Subject | Re: kernel 2.6.37 : oops in cleanup_once | From | Eric Dumazet <> | Date | Mon, 14 Mar 2011 14:14:24 +0100 |
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Le lundi 14 mars 2011 à 11:44 +0100, Yann Dupont a écrit : > 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 ? > >
I would say you are lucky ;)
Not all memory corruptions are noticed. Sometimes it touch unused parts of memory, or some parts with no critical content.
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