Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754289Ab1BBPJI (ORCPT ); Wed, 2 Feb 2011 10:09:08 -0500 Received: from mail-fx0-f46.google.com ([209.85.161.46]:62560 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752279Ab1BBPJF (ORCPT ); Wed, 2 Feb 2011 10:09:05 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=DsPOzr8vGvtInOLiJGzB10FFz7mzbQlxLndtigmZcB5d9UK4y5G7SzYgF5PQXNvgRV yUb9DNZAoe5i71e9G2OBvQx/sTwwmoHfj3ySm/KR2Ntd6qZN7xrHOpC63PhXE/tf/s47 aSUOryY18QOJgOazj4V1ufojyDwc4WZZLA17s= Subject: Re: kernel 2.6.37 : oops in cleanup_once From: Eric Dumazet To: Yann Dupont Cc: linux-kernel@vger.kernel.org, netdev In-Reply-To: <4D49726C.6020103@univ-nantes.fr> References: <4D491B8D.1000107@univ-nantes.fr> <1296643972.20445.9.camel@edumazet-laptop> <1296645887.20445.11.camel@edumazet-laptop> <4D495765.4090806@univ-nantes.fr> <1296658407.20445.19.camel@edumazet-laptop> <4D49726C.6020103@univ-nantes.fr> Content-Type: text/plain; charset="UTF-8" Date: Wed, 02 Feb 2011 16:08:56 +0100 Message-ID: <1296659336.20445.22.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 822 Lines: 35 Le mercredi 02 février 2011 à 16:04 +0100, Yann Dupont a écrit : > > > Ok, will do it at 18:30 CET (to minimize impact) > It the suspected bug SLUB related ? > no : It can be a corruption from another part of kernel. > The 2.6.34.2 kernel previously used on that server used SLAB. > > > 2 questions : > -How can I be sure slub_nomerge is active ? Boot message ? # ls -l /sys/kernel/slab/ If you have symlinks : merge is on (default) If you dont have symlinks : nomerge is in action > -Is there a very severe impact on performance ? > not at all > Regards, > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/