Date: Tue, 25 Mar 2003 18:28:38 +0100 (CET) From: Soeren Schmidt <sos@spider.deepcore.dk> To: The Anarcat <anarcat@anarcat.ath.cx> Cc: Kevin Oberman <oberman@es.net>, Don <don@calis.blacksun.org>, Craig Reyenga <creyenga@connectmail.carleton.ca>, freebsd-current@FreeBSD.ORG Subject: Re: Broken DMA devices Message-ID: <200303251728.h2PHSdWt074651@spider.deepcore.dk> In-Reply-To: <20030325161253.GA600@lenny.anarcat.ath.cx>
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It seems The Anarcat wrote: > On Tue Mar 25, 2003 at 08:16:28AM +0100, Soeren Schmidt wrote: > > It seems The Anarcat wrote: > > > Can't the ata drivers detect that condition or recognize the set of > > > drives that are broken instead of penalizing everyone else? > > > > ATAPI DMA is more likely to be broken than to be working, it is a > > function of both controller chip and device, in some situations even > > a function of what master/slave device combo we have.. > > > > There is a reason that almost all OS's out there has it disabled as default :) > > Thanks for those precisions... This could be a FAQ, pertaining also to > how to enable it. > > So it's enabled system-wide? Can't it be done at the bus or device > level? You can set the transfer mode of any ATA/ATAPI device with atacontrol... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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