Date: Sat, 1 Feb 2003 19:43:52 -0600 From: David Syphers <dsyphers@uchicago.edu> To: Scott Long <scott_long@btc.adaptec.com> Cc: current@freebsd.org, kde@freebsd.org Subject: Re: trouble with ogle performance after going to 5.0-R Message-ID: <200302011943.41649.dsyphers@uchicago.edu> In-Reply-To: <3E3C5B8E.30000@btc.adaptec.com> References: <200302011715.21531.dsyphers@uchicago.edu> <3E3C5B8E.30000@btc.adaptec.com>
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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
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