linux-kernel - Re: cd/dvd inaccessible in 2.6.24-rc2

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Date:	Sat, 10 Nov 2007 14:49:23 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Will Trives <will@...vescon.com.au>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: cd/dvd inaccessible in 2.6.24-rc2

On Sat, 10 Nov 2007 15:27:11 +1100 Will Trives <will@...vescon.com.au> wrote:

> 
> Hello,
> 
> Motherboard: Gigabyte GA-P35-DS4 (rev. 1.1)
> Chipset: Intel P35 + ICH9R 
> PATA port runs off JMicron controller
> CD/DVD Device: BENQ DW1640 16X
> 
> I cannot access my dvd burner under 2.6.24-rc2, I have no problems under
> 2.6.23. Basically the drive is detected OK, everything looks ok but as
> soon as I go to use it errors like this occur:
> 
> 
> ata9.00: qc timeout (cmd 0xa0)
> ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
> ata9.00: cmd a0/00:00:00:02:00/00:00:00:00:00/a0 tag 0 cdb 0x5a data 2
> in
>          res 51/54:03:00:02:00/00:00:00:00:00/a0 Emask 0x5 (timeout)
> ata9.00: status: { DRDY ERR }
> ata9: soft resetting link
> ata9.00: revalidation failed (errno=-2)
> ata9: failed to recover some devices, retrying in 5 secs
> ata9: soft resetting link
> ata9.00: qc timeout (cmd 0xa1)
> ata9.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata9.00: revalidation failed (errno=-5)
> ata9: failed to recover some devices, retrying in 5 secs
> ata9: soft resetting link
> ata9.00: qc timeout (cmd 0xa1)
> ata9.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata9.00: revalidation failed (errno=-5)
> ata9.00: disabled
> ata9: soft resetting link
> ata9: EH complete
> 
> The drive is locked up after the first attempt to access it occurs, the
> tray cannot be ejected. 
> 
> 
> dmesg output
> 
> http://paste.ubuntu-nl.org/43948/
> 
> kernel .config
> 
> http://paste.ubuntu-nl.org/43944/
> 
> lspci -vvvxxxx
> 
> http://paste.ubuntu-nl.org/43950/
> 

Thanks for letting us know.

Added linux-ide Cc.

Rafael, it looks like another regression.
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