From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753044Ab1BNUlL (ORCPT ); Mon, 14 Feb 2011 15:41:11 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:33046 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752243Ab1BNUlJ (ORCPT ); Mon, 14 Feb 2011 15:41:09 -0500 Date: Mon, 14 Feb 2011 12:13:08 -0800 From: Andrew Morton To: ebiederm@xmission.com (Eric W. Biederman) Cc: Linus Torvalds , Alex Riesen , David Miller , Linux Kernel Mailing List Subject: Re: Heads up Linux 2.6.38-rc4 compile problems. Message-Id: <20110214121308.b5be78a5.akpm@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 14 Feb 2011 11:44:47 -0800 ebiederm@xmission.com (Eric W. Biederman) wrote: > My three boot attempts with CONFIG_DEBUG_PAGEALLOC are below. > > > ERROR: kmemcheck: Fatal error It might be that kmemcheck and DEBUG_PAGE_ALLOC don't get along well - try disabling kmemcheck? It's worth persisting with DEBUG_PAGE_ALLOC, please - if we can get it working then it should be able to find a stray write into a freed 8k page with precision.