problems with CDRom

[Walter Garcia-Fontes]

* Walter Garcia-Fontes [02/03/07 15:52]:
> I have a DVD R/W unit and from time to time it freezes. This is a Dell
> Precision 690 with Fedora Core 5, latest kernel.
> 
> At bootup I get some error messages that I attach
> (/var/log/dmesg). The systema allocates /dev/hda to the cdrom (the
> hard disk partitions get sda, sdb, ...). The lines referring to the
> unit in /var/log/dmesg are:
> 
> hda: command error: status=0x51 { DriveReady SeekComplete Error }
> hda: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
> ide: failed opcode was: unknown
> ATAPI device hda:
>   Error: Illegal request -- (Sense key=0x05)
>   Illegal mode for this track or incompatible medium -- (asc=0x64, ascq=0x00)
>   The failed "Read 10" packet command was: 
>   "28 00 00 00 00 00 00 00 08 00 00 00 00 00 00 00 "
> end_request: I/O error, dev hda, sector 0
> Buffer I/O error on device hda, logical block 6
> Buffer I/O error on device hda, logical block 7
> hda: command error: status=0x51 { DriveReady SeekComplete Error }

It turned out that it was a faulty DVD/CD RW unit. I change it and
these messages dissapeared. It confused me because it would not fail
completely, just get slower and freeze different pieces of software
(grip, totem, etc). 

-- 
Walter Garcia-Fontes
Barcelona