Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751660AbWAKQVn (ORCPT ); Wed, 11 Jan 2006 11:21:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751663AbWAKQVm (ORCPT ); Wed, 11 Jan 2006 11:21:42 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:49091 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1751584AbWAKQVl (ORCPT ); Wed, 11 Jan 2006 11:21:41 -0500 Subject: Re: mm/rmap.c negative page map count BUG. From: Arjan van de Ven To: Hugh Dickins Cc: Octavio Alvarez Piza , Dave Jones , Andrew Morton , nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org In-Reply-To: References: <20060103082609.GB11738@redhat.com> <43BA630F.1020805@yahoo.com.au> <20060103135312.GB18060@redhat.com> <20060104155326.351a9c01.akpm@osdl.org> <20060105074718.GF20809@redhat.com> <1136448712.2920.4.camel@laptopd505.fenrus.org> <20060105111520.GL20809@redhat.com> <20060111000111.5fa4bdce@octavio.alvarezp.pri> Content-Type: text/plain Date: Wed, 11 Jan 2006 17:21:24 +0100 Message-Id: <1136996484.2929.61.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 19 > > That means page->_mapcount contained 0xfffeffff when it should have > We can't rule out that something somewhere in the kernel has > scribbled on that location, but I've no guesses what. could be an rwsem/rwlock btw.. which video driver is in use? (X tends to do rather evil things at times via /dev/mem, but that is very much driver specific) - 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/