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From: Jens Axboe <axboe@suse.de>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Rahul Karnik <deathdruid@gmail.com>,
	Lista Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: cdrecord dev=ATA cannont scanbus as non-root [u]
Date: Fri, 3 Dec 2004 13:10:08 +0100	[thread overview]
Message-ID: <20041203121008.GO10492@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.53.0412031306080.1932@yvahk01.tjqt.qr>

On Fri, Dec 03 2004, Jan Engelhardt wrote:
> >> > Ok, so I am a bit confused here.  We basically have 3 ways to use
> >> >> cdrecord on linux-2.6 without ide-scsi:
> >> >>
> >> >> 1) cdrecord dev=/dev/hdx
> >> >> 2) cdrecord dev=ATA
> >> >> 3) cdrecord dev=ATAPI
> >> >>
> >> >> Now, if I run all three and grep for '^Warning', I get:
> >>
> >> Worse, yet, there is no DMA for any of these three :-(
> >
> >Not true in 2.6. 1 definitely uses DMA now (disregard the damn
> >warning). And why would anyone use 2 or 3?
> 
> Right, forgot to add. Read as "no DMA for any that does not give a cdrecord
> warning".

They all use DMA, whenever possible.

-- 
Jens Axboe


  reply	other threads:[~2004-12-03 12:10 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-29 21:33 cdrecord dev=ATA cannont scanbus as non-root J.A. Magallon
2004-11-29 21:50 ` Jan Engelhardt
2004-11-29 21:59   ` J.A. Magallon
2004-11-30  6:51     ` Jan Engelhardt
2004-11-30  7:16     ` Jens Axboe
2004-11-30 16:29       ` J.A. Magallon
2004-11-30 17:12       ` J.A. Magallon
2004-11-30 17:37         ` Jan Engelhardt
2004-11-30 17:49           ` J.A. Magallon
2004-11-30 17:56             ` Jan Engelhardt
2004-11-30 18:29               ` J.A. Magallon
2004-12-01 21:16       ` cdrecord dev=ATA cannont scanbus as non-root [u] Martin Schlemmer [c]
2004-12-02 16:23         ` Radoslaw Szkodzinski
2004-12-02 21:50           ` Martin Schlemmer [c]
2004-12-03  7:35           ` Jan Engelhardt
2004-12-03 11:51             ` Rahul Karnik
2004-12-03 12:06               ` Jan Engelhardt
2004-12-03 12:10                 ` Jens Axboe [this message]
2004-12-01 21:56       ` cdrecord dev=ATA cannont scanbus as non-root Markus Plail
2004-12-02  8:07         ` Jens Axboe
2004-12-02 12:51           ` J.A. Magallon

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