Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932129AbVKNVPE (ORCPT ); Mon, 14 Nov 2005 16:15:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932130AbVKNVPE (ORCPT ); Mon, 14 Nov 2005 16:15:04 -0500 Received: from prgy-npn2.prodigy.com ([207.115.54.38]:42581 "EHLO oddball.prodigy.com") by vger.kernel.org with ESMTP id S932129AbVKNVPC (ORCPT ); Mon, 14 Nov 2005 16:15:02 -0500 Message-ID: <4378FED8.2060505@tmr.com> Date: Mon, 14 Nov 2005 16:17:12 -0500 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.11) Gecko/20050729 X-Accept-Language: en-us, en MIME-Version: 1.0 To: David.Ronis@mcgill.ca CC: linux-kernel@vger.kernel.org Subject: Re: Serious IDE problem still present in 2.6.14 References: <1130689871.6348.3.camel@montroll.chem.mcgill.ca> <4365511C.7040903@yahoo.de> <1130713716.6348.7.camel@montroll.chem.mcgill.ca> <4365596F.4060105@yahoo.de> <1130785344.5932.6.camel@montroll.chem.mcgill.ca> <43673DFE.4000702@yahoo.de> <1131022436.6016.4.camel@montroll.chem.mcgill.ca> <436A9C30.3080705@yahoo.de> <1131680793.6300.20.camel@montroll.chem.mcgill.ca> In-Reply-To: <1131680793.6300.20.camel@montroll.chem.mcgill.ca> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1399 Lines: 29 David Ronis wrote: > I've been busy and have been a bit late responding to this. In short, > have a problem with disk performance on a HP Pavilion laptop in the > 2.6.1[34] kernels (it works fine under 2.6.12.x). I've summarized much > of the tests I've run on in a post to linux-kernel and linux-ide (when > we thought it was a problem in the ATIIXP module) at: > > http://marc.theaimsgroup.com/?l=linux-kernel&m=112802950411697&w=2 > > After working with Stefan for a bit, we determined that the problem is > in the ACPI modules (in fact setting ACPI=ht at boot fixes it, although > other things seem to break, as described below). Stefan suggested I > repost the bug to the linux-kernel list, and so here it is. Is this read performance, write performance, or both? And have you checked the output in dmesg? See anything with blockdev? Detailed lspci output and /proc/interrupts? I don't have anything in mand, just looking for information which might in some universe get diddled by ACPI. -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me - 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/