Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765507AbYA2Sfl (ORCPT ); Tue, 29 Jan 2008 13:35:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753433AbYA2Sfb (ORCPT ); Tue, 29 Jan 2008 13:35:31 -0500 Received: from qmta01.emeryville.ca.mail.comcast.net ([76.96.30.16]:44244 "EHLO QMTA01.emeryville.ca.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752174AbYA2Sfa (ORCPT ); Tue, 29 Jan 2008 13:35:30 -0500 X-Greylist: delayed 420 seconds by postgrey-1.27 at vger.kernel.org; Tue, 29 Jan 2008 13:35:30 EST X-Authority-Analysis: v=1.0 c=1 a=9LLHw7IY_zGYgOZ2X-4A:9 a=xXKJZ231m6N7PZS7kde6yFwaXs0A:4 a=vNGxQsTWjH8A:10 Message-ID: <479F7049.3080904@bobjweil.com> Date: Tue, 29 Jan 2008 13:28:25 -0500 From: rgheck User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Mark Lord CC: Alan Cox , Daniel Barkalow , Gene Heskett , Zan Lynx , Calvin Walton , Linux Kernel Mailing List , Linux ide Mailing list Subject: Re: Problem with ata layer in 2.6.24 References: <200801272122.21823.gene.heskett@gmail.com> <1201539043.31293.7.camel@zem> <1201540830.6526.19.camel@localhost> <200801281230.32910.gene.heskett@gmail.com> <479E1D9E.3000900@bobjweil.com> <20080129121201.2f727f5f@core> <479F5D29.1020705@bobjweil.com> <479F6C6B.7090505@rtr.ca> In-Reply-To: <479F6C6B.7090505@rtr.ca> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1292 Lines: 36 Mark Lord wrote: > rgheck wrote: >> Alan Cox wrote: >>>> not one problem but lots---is sufficiently widespread that a Mini >>>> HOWTO, say, would be really welcome and, I'm guessing, widely used. >>>> >>> >>> We don't see very many libata problems at the distro level and they for >>> the most part boil down to >>> >>> - sata_nv with >4GB of RAM, knowing being worked on, no old IDE driver >>> anyway >>> >> Is this >4GB or >=4GB? I've seen contradictory reports, and I've got >> 4GB. > .. > > For all practical purposes, most memory over 3GB (or sometimes even 2GB) > on a 32-bit x86 system is treated as >4GB by the motherboard. > > Because it's not the amount of *memory* that matters so much, > but rather the amount of *used address space*. Video cards, > PCI devices, other motherboard resources etc.. can all subtract > from the available address space, leaving much less than 4GB > for your RAM. Right. So it looks like I do have this issue, though I haven't seen any actual problems on 24. Is there a known workaround? rh -- 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/