Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750755AbWADXvp (ORCPT ); Wed, 4 Jan 2006 18:51:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750756AbWADXvp (ORCPT ); Wed, 4 Jan 2006 18:51:45 -0500 Received: from smtp.osdl.org ([65.172.181.4]:33235 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1750755AbWADXvp (ORCPT ); Wed, 4 Jan 2006 18:51:45 -0500 Date: Wed, 4 Jan 2006 15:53:26 -0800 From: Andrew Morton To: Dave Jones Cc: nickpiggin@yahoo.com.au, linux-kernel@vger.kernel.org Subject: Re: mm/rmap.c negative page map count BUG. Message-Id: <20060104155326.351a9c01.akpm@osdl.org> In-Reply-To: <20060103135312.GB18060@redhat.com> References: <20060103082609.GB11738@redhat.com> <43BA630F.1020805@yahoo.com.au> <20060103135312.GB18060@redhat.com> X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; i386-vine-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 597 Lines: 14 Dave Jones wrote: > > > Can you print ->flags, ->count, ->mapping, etc instead of going BUG? > > I can add some instrumentation like this though, and see what turns up. Can we get that instrumentation into the upstream kernel please? We do seem to be hitting rmap assertions too often for it to be dud hardware/bodgy drivers/etc. - 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/