linux-kernel - Re: Lost DVD-RW [Was Re: 2.6.18-rc5-mm1]

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Message-ID: <44FB929B.7080405@gmail.com>
Date:	Mon, 04 Sep 2006 04:42:35 +0200
From:	Tejun Heo <htejun@...il.com>
To:	jamagallon@....com
CC:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Jeff Garzik <jgarzik@...ox.com>
Subject: Re: Lost DVD-RW [Was Re: 2.6.18-rc5-mm1]

Andrew Morton wrote:
> On Mon, 4 Sep 2006 01:34:43 +0200
> "J.A. Magallón" <jamagallon@....com> wrote:
> 
>> On Fri, 1 Sep 2006 01:58:18 -0700, Andrew Morton <akpm@...l.org> wrote:
>>
>>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc5/2.6.18-rc5-mm1/
>>>
>> Err, my burner got lost this summer ;).
>> This is really not a bug of _this_ kernel, because I noticed it dissapeared
>> with the previous release also, just before going on vacation... But as it
>> did not come back with this relase, I report it here.
>>
>> Last kernel that I have tried that worked was 2.6.18-rc2-mm1. With this
>> relase, it is gone still. dmesg for both kernels is below.
>> The only thing I hace noticed is the different IRQ assignment between
>> them.
>>
>> Any ideas ? TIA.
>>
>> dmesg for rc2-mm1:
>> scsi0 : ata_piix
>> ata1.00: ATAPI, max UDMA/33
>> ata1.01: ATAPI, max MWDMA0, CDB intr
>> ata1.00: configured for UDMA/33
>> ata1.01: configured for PIO3
>>   Vendor: HL-DT-ST  Model: DVDRAM GSA-4120B  Rev: A111
>>   Type:   CD-ROM                             ANSI SCSI revision: 05
>>   Vendor: IOMEGA    Model: ZIP 250           Rev: 51.G
>>   Type:   Direct-Access                      ANSI SCSI revision: 05
>>
>> dmesg for rc5-mm1:
>> ata1.00: failed to IDENTIFY (device reports illegal type, err_mask=0x0)

Hmmm... Strange.

The related code hasn't changed much between rc2-mm1 and rc5-mm1.  We're 
talking about 2.6.18-rc2-mm1 and 2.6.18-rc5-mm1, right?

Can you try the attached patch and report what the kernel says?


-- 
tejun

View attachment "patch" of type "text/plain" (545 bytes)