Re: cd/dvd inaccessible in 2.6.24-rc2

Andrew Morton
2007-11-10T22:49:46Z

On Sat, 10 Nov 2007 15:27:11 +1100 Will Trives <will@trivescon.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.