Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758170AbXEaA5u (ORCPT ); Wed, 30 May 2007 20:57:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753451AbXEaA5o (ORCPT ); Wed, 30 May 2007 20:57:44 -0400 Received: from wa-out-1112.google.com ([209.85.146.178]:18731 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753232AbXEaA5n (ORCPT ); Wed, 30 May 2007 20:57:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=qaTIkW7W4NtWNpOwOiRoSMEJ3U9TmSns1PVQ7MqhpzV2wBsT2hds+ft40hf+jP03JPRywpD+IjnKWC8NcsPWRp+6iOB9Lp/rgtSYwnhnNpyrdXKq1NmGZe06ejFz6CfBO8WyQeHd5mlhpugoXlemtksWRIQiouDWCBi8AUv/c2k= Message-ID: <82e4877d0705301757v580a4ca5yebe2a565f0b97552@mail.gmail.com> Date: Wed, 30 May 2007 20:57:41 -0400 From: "Parag Warudkar" To: "Robert Hancock" , jpiszcz@lucidpixels.com, linux-kernel@vger.kernel.org Subject: Re: Case: 7454422: Re: Kernel 2.6.21.3 does not work with 8GB of RAM on Intel 965WH motherboards. (FULL DMESG) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 825 Lines: 26 Robert Hancock wrote: > 0-3319MB > 4096-8832MB > > leaving 64MB of memory at the top of RAM uncached. What do you want to > bet that something important (kernel code?) is getting loaded there.. > > So essentially it's a BIOS problem, it's not setting up the MTRRs > properly in order to map all of RAM as cacheable. As Andi says, complain > to Intel. > Could the BADRAM patch be useful for him? http://rick.vanrein.org/linux/badram/download.html has 2.6.21 version. It says it supports x86_64. May be using this patch he can exclude that RAM from being used/accessed? Parag -- - 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/