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From: Markus Plail <plail@web.de>
To: Anssi Saari <as@sci.fi>
Cc: Sergio Bruder <sergio@bruder.net>,
	Andre Hedrick <andre@linux-ide.org>,
	vojtech@ucw.cz, linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: CD burning at 12x uses excessive CPU, although DMA is enabled
Date: Fri, 30 Aug 2002 09:27:04 +0200	[thread overview]
Message-ID: <874rdcg62f.fsf@plailis.homelinux.net> (raw)
In-Reply-To: <20020830065142.GA10582@sci.fi> (Anssi Saari's message of "Fri, 30 Aug 2002 09:51:42 +0300")

Hi Anssi!

* Anssi Saari writes:
>I doubt that's the problem. As I've said before, I don't have this huge
>slowdown problem if I plug the writer to a Promise pdc20265 or CMD649,
>neither of which supports DMA for ATAPI devices. These controllers
>however abort CD writing randomly so they are not a workaround... 

Well, they may very well just deal better with PIO modes.

>I also don't have your DAO vs. TAO problem.

Hmm.. you wrote that cdrdao gives the problem, but cdrecord
doesn't. And in a previous mail you wrote that you also have the
problems when writing audio CDs. Are you sure that you really used DAO
when using cdrecord? All other symptoms look very much like the big
blocksize problem.

regards
Markus


  reply	other threads:[~2002-08-30  7:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-09 20:06 PROMBLEM: CD burning at 16x " Roger Larsson
2002-04-09 20:27 ` Andre Hedrick
2002-04-10  9:10   ` Matthias Andree
2002-04-14 12:39   ` Anssi Saari
2002-08-30  4:33     ` PROBLEM: CD burning at 12x " Sergio Bruder
2002-08-30  4:48       ` Sergio Bruder
2002-08-30  6:14       ` Markus Plail
2002-08-30  6:51         ` Anssi Saari
2002-08-30  7:27           ` Markus Plail [this message]
2002-08-30 15:42             ` Anssi Saari
2002-08-30 16:58               ` Markus Plail
2002-08-30 21:22                 ` Sergio Bruder
2002-08-31 16:29                 ` Anssi Saari
2002-08-30  6:41       ` Andre Hedrick
2002-08-30 12:59         ` Henrique de Moraes Holschuh

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