Date: Mon, 22 May 2000 17:10:45 -0400 From: Peter Radcliffe <pir@pir.net> To: freebsd-stable@FreeBSD.ORG Subject: Re: ad0 drivers revisited Message-ID: <20000522171045.A5790@pir.net> In-Reply-To: <Pine.BSF.4.21.0005221336050.91996-100000@freefall.freebsd.org>; from kris@FreeBSD.org on Mon, May 22, 2000 at 01:37:22PM -0700 References: <Pine.BSF.4.21.0005221001210.3046-100000@discover.siteplus.net> <Pine.BSF.4.21.0005221336050.91996-100000@freefall.freebsd.org>
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Kris Kennaway <kris@FreeBSD.org> probably said: > This was argued only to apply for a certain type of > controller/motherboard. It certainly doesn't seem to do this in the > general case, even if it's true at all. but there do seem to be far wider problems with the ata/ad driver for timeouts (both read and write). I get better performance on my laptop in PIO mode than DMA, because with PIO I don't have to wait for all the timouts to finish to actually get me some data. P. -- pir pir@pir.net pir@net.tufts.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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