From: Anssi Saari <as@sci.fi>
To: Markus Plail <plail@web.de>
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: Sat, 31 Aug 2002 19:29:14 +0300 [thread overview]
Message-ID: <20020831162914.GA6310@sci.fi> (raw)
In-Reply-To: <873cswuvvi.fsf@plailis.homelinux.net>
On Fri, Aug 30, 2002 at 06:58:09PM +0200, Markus Plail wrote:
> If you write CDs in RAW modes, then there's the problem with the high
> loads. Examples:
> - cdrecord -raw96r/p (2448 bytes/sector)
> - cdrecord -raw16 (2368 bytes/sector)
> - cdrdao --driver generic-mmc-raw (2368 bytes/sector)
Yes, this is confirmed. I tried writing a data track with cdrecord
-raw96r mode and got the slowdown. So yes, it seems that "big" blocks,
2352 bytes and greater cause this problem while "small" blocks of 2048
bytes don't.
next prev parent reply other threads:[~2002-08-31 16:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-09 20:06 PROMBLEM: CD burning at 16x uses excessive CPU, although DMA is enabled 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
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 [this message]
2002-08-30 6:41 ` Andre Hedrick
2002-08-30 12:59 ` Henrique de Moraes Holschuh
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