linux-kernel - Re: Problem with ata layer in 2.6.24

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Message-ID: <479F6314.6090906@garzik.org>
Date:	Tue, 29 Jan 2008 12:32:04 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Gene Heskett <gene.heskett@...il.com>
CC:	Florian Attenberger <valdyn@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: Problem with ata layer in 2.6.24

Gene Heskett wrote:
> On Tuesday 29 January 2008, Jeff Garzik wrote:
>> Gene Heskett wrote:
>>> Does anyone know why my dvdwriter isn't being assigned a '/dev/sdx' number
>>> when dmesg says its found ok at ata2.00?  I've turned on an option that
>>> says something about using the bios for device access this build, but I'll
>>> be surprised if that's it. :)
>> I think you mean /dev/scdx not /dev/sdx.  Make sure you have the 'sr'
>> driver compiled and load (CONFIG_BLK_DEV_SR).
>>
> That menu item COULD be moved, I don't have any REAL scsi stuff, so I didn't 
> look there.  My bad, with help from hiding it like that. :-)
> 
>> The bios-for-dev-access thing definitely won't help, and may hurt (by
>> taking over the device you wanted to test).
>>
> Ok, if BLK_DEV_SR fails, I'll take that back out.  I'm heating the room making 
> kernels here. :)

I can say with 100% certainty that 'sr' is required in order to use your 
dvd writer with libata.  :)

	Jeff



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