From owner-freebsd-current Sat Feb 1 17:44: 1 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 88AB537B401; Sat, 1 Feb 2003 17:44:00 -0800 (PST) Received: from midway.uchicago.edu (midway.uchicago.edu [128.135.12.12]) by mx1.FreeBSD.org (Postfix) with ESMTP id CD21043F3F; Sat, 1 Feb 2003 17:43:59 -0800 (PST) (envelope-from dsyphers@uchicago.edu) Received: from adsl-68-20-18-95.dsl.chcgil.ameritech.net (adsl-68-20-18-95.dsl.chcgil.ameritech.net [68.20.18.95]) by midway.uchicago.edu (8.12.5/8.12.5) with ESMTP id h121hqid002398; Sat, 1 Feb 2003 19:43:53 -0600 (CST) From: David Syphers To: Scott Long Subject: Re: trouble with ogle performance after going to 5.0-R Date: Sat, 1 Feb 2003 19:43:52 -0600 User-Agent: KMail/1.5 Cc: current@freebsd.org, kde@freebsd.org References: <200302011715.21531.dsyphers@uchicago.edu> <3E3C5B8E.30000@btc.adaptec.com> In-Reply-To: <3E3C5B8E.30000@btc.adaptec.com> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200302011943.41649.dsyphers@uchicago.edu> Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Saturday 01 February 2003 05:43 pm, Scott Long wrote: > Have you made > sure that the DVD drive is using DMA? 'sysctl hw.ata.atapi_dma' will > tell you, and can be set at boot from /boot/loader.conf. This was the main problem. Turning on DMA makes everything run smoothly and drops the load averages significantly. I must have made this change to my 4.x system once about a year ago, and completely forgotten about it since. I should write an addition to the handbook about this... Thanks! -David -- "Whatever it is that the government does, sensible Americans would prefer that the government does it to somebody else. This is the idea behind foreign policy." -P. J. O'Rourke Astronomy and Astrophysics Center The University of Chicago To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message