Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757884AbXEaPqi (ORCPT ); Thu, 31 May 2007 11:46:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753081AbXEaPqb (ORCPT ); Thu, 31 May 2007 11:46:31 -0400 Received: from smtpout05-04.prod.mesa1.secureserver.net ([64.202.165.221]:44233 "HELO smtpout05.prod.mesa1.secureserver.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1753054AbXEaPqb (ORCPT ); Thu, 31 May 2007 11:46:31 -0400 Message-ID: <465EEDD3.4070100@seclark.us> Date: Thu, 31 May 2007 11:46:27 -0400 From: Stephen Clark Reply-To: Stephen.Clark@seclark.us User-Agent: Mozilla/5.0 (X11; U; Linux 2.2.16-22smp i686; en-US; m18) Gecko/20010110 Netscape6/6.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Frank Sorenson CC: LKML , jeff@garzik.org Subject: Re: Combined mode quirk removal kills performance References: <465EDF89.9050207@tuxrocks.com> In-Reply-To: <465EDF89.9050207@tuxrocks.com> 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: 1730 Lines: 58 Frank Sorenson wrote: >-----BEGIN PGP SIGNED MESSAGE----- >Hash: SHA1 > >The patch to "remove combined mode quirk" (git bisect says >8cdfb29c0cd8018f92214c11c631d8926f4cb032) makes my laptop run slower >than a dead sloth. "hdparm -T" indicates that buffered disk reads on my >hard drive drop from 48-50 MB/sec to 1-2MB/sec, and the system is nearly >unusable. > >System is a Dell Inspiron E1705 (Core 2 Duo 2.16GHz) running x86_64 FC6. > >Frank >- -- >Frank Sorenson - KD7TZK >Linux Systems Engineer, DSS Engineering, UBS AG >frank@tuxrocks.com >-----BEGIN PGP SIGNATURE----- >Version: GnuPG v1.4.7 (GNU/Linux) >Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org > >iD8DBQFGXt+JaI0dwg4A47wRAqJmAJ4k4E9ekkitOdQ72HUXbky11nD1cACghGu6 >y7Y71PPaKHYcQhYSfL55bNk= >=MPYY >-----END PGP SIGNATURE----- >- >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/ > > > Hi Frank, I had the same problem. I am running FC6 and had to build a custom kernel that did not configure in the old ide driver - then my speed of my harddrive went back to normal. HTH, Steve -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson) - 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/