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Date: Mon, 14 Mar 2011 11:44:51 +0100 From: Yann Dupont <Yann.Dupont@...v-nantes.fr> To: Eric Dumazet <eric.dumazet@...il.com> CC: linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org> Subject: 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 ? > ... > >> -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@...v-nantes.fr -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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