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Date: Wed, 21 Mar 2012 22:36:39 -0600
From: Robert Hancock <hancockrwd@gmail.com>
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To: Chris Holland <bandidoirlandes@gmail.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: IDE DVD and CD drive seem to not work with Linux desktop 3.3.0-030300-generic
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On 03/21/2012 10:29 PM, Chris Holland wrote:
> Please cc me at: bandidoirlandes@gmail.com
>
> My optical drives are not working with 3.3 but they worked fine with 3.3rc7
> These are the kernels from http://kernel.ubuntu.com/~kernel-ppa/mainline/
> Ubuntu 11.10
>
> Not working
> Linux desktop 3.3.0-030300-generic #201203182135 SMP Mon Mar 19
> 01:36:20 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
> cat /var/log/dmesg | egrep '(CD|DVD)'
> [    0.000000]   CD000-EFFFF uncachable
>
> Working
> Linux desktop 3.3.0-030300rc7-generic #201203101735 SMP Sat Mar 10
> 22:36:28 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
> cat /var/log/dmesg | egrep '(CD|DVD)'
> [    0.000000]   CD000-EFFFF uncachable
> [    0.092676] ACPI Warning: Incorrect checksum in table [TAMG] -
> 0xCD, should be 0xCC (20120111/tbutils-321)
> [    6.324511] ata9.01: ATAPI: LITE-ON DVDRW SHW-160P6S, PS0A, max UDMA/66
> [    6.397218] scsi 8:0:0:0: CD-ROM            LITE-ON  LTR-48246S
>    SS0B PQ: 0 ANSI: 5
> [    6.419770] cdrom: Uniform CD-ROM driver Revision: 3.20
> [    6.419898] sr 8:0:0:0: Attached scsi CD-ROM sr0
> [    6.427088] scsi 8:0:1:0: CD-ROM            LITE-ON  DVDRW
> SHW-160P6S PS0A PQ: 0 ANSI: 5
> [    6.429600] sr 8:0:1:0: Attached scsi CD-ROM sr1
>
> I tried to do a git bisect but I dont know what I am doing. Might just
> be my computer acting up.

Can you post the full dmesg output from the non-working kernel?