linux-kernel - Re: 2.6.20-rc6 libata PATA ATAPI CDROM is not working

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Date:	Tue, 13 Feb 2007 19:15:12 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Joel Soete <soete.joel@...rlet.be>
Cc:	Tejun Heo <htejun@...il.com>, Luming Yu <luming.yu@...il.com>,
	Alan Cox <alan@...hat.com>, Ioan Ionita <opslynx@...il.com>,
	Alan <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
	jgarzik@...ox.com
Subject: Re: 2.6.20-rc6 libata PATA ATAPI CDROM is not working


Hi,

On Tuesday 13 February 2007 18:35, Joel Soete wrote:

> scsi3 : ata_piix
> ata1.00: ATA-4, max UDMA/66, 29336832 sectors: LBA
> ata1.00: ata1: dev 0 multi count 16
> ata1.00: configured for UDMA/33

<...>

> scsi 3:0:0:0: Direct-Access     ATA      QUANTUM FIREBALL A03. PQ: 0 ANSI: 5

IDE driver with CONFIG_IDEDMA_IVB=y should give you UDMA/66.

Could you send me output of "hdparm --Istdout /dev/sdc" command?

> scsi4 : ata_piix
> ata2.01: ATAPI, max MWDMA1
> ata2.01: configured for MWDMA1

and "hdparm --Istdout /dev/sr0"

[ max speed == MWDMA1 is possible but quite unusual ]

Thanks,
Bart
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