From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id E615E6B002D for ; Mon, 21 Nov 2011 09:21:07 -0500 (EST) Date: Mon, 21 Nov 2011 15:21:02 +0100 From: Markus Trippelsdorf Subject: Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 Message-ID: <20111121142102.GA1676@x4.trippels.de> References: <20111118075521.GB1615@x4.trippels.de> <1321605837.30341.551.camel@debian> <20111118085436.GC1615@x4.trippels.de> <20111118120201.GA1642@x4.trippels.de> <1321836285.30341.554.camel@debian> <20111121080554.GB1625@x4.trippels.de> <20111121082445.GD1625@x4.trippels.de> <1321866988.2552.10.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20111121131531.GA1679@x4.trippels.de> <1321884966.10470.2.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1321884966.10470.2.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Sender: owner-linux-mm@kvack.org List-ID: To: Eric Dumazet Cc: "Alex,Shi" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , Christoph Lameter , Pekka Enberg , Matt Mackall , "netdev@vger.kernel.org" On 2011.11.21 at 15:16 +0100, Eric Dumazet wrote: > Le lundi 21 novembre 2011 a 14:15 +0100, Markus Trippelsdorf a ecrit : > > > I've enabled CONFIG_SLUB_DEBUG_ON and this is what happend: > > > > Thanks > > Please continue to provide more samples. > > There is something wrong somewhere, but where exactly, its hard to say. > > Something is keeping a pointer to freed memory and reuse it while memory > had been reused. > > Are you using hugepages ? Only CONFIG_TRANSPARENT_HUGEPAGE and CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS. I've increased LOG_BUF_SHIFT to 18, because it looks like the beginning of the SLUB_DEBUG output was cut off last time. -- Markus -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org