what does this 'cdrom: open failed' message mean

[Alexander Volovics]

On Mon, May 10, 2004 at 08:05:07PM +0200, Peter Boy wrote:

> Am Mo, den 10.05.2004 schrieb Alexander Volovics um 13:03:
> > System Log/Kernel Startup Log contain the message:
> > May 10 12:05:15 if kernel: device-mapper: 4.1.0-ioctl (2003-12-10) initialised: dm at uk.sistina.com
> > May 10 12:05:15 if kernel: hdb: packet command error: status=0x51 { DriveReady SeekComplete Error }
> > May 10 12:05:15 if kernel: hdb: packet command error: error=0x51
> > May 10 12:05:15 if kernel: cdrom: open failed.

 
> Your drive seems to be just empty.
 
> > However the device seems to be working OK.
> > What triggers this message and can I just ignore it.
 
> The message should disappear with CD inserted. In this case you can
> savely ignore it - otherwise there is a problem.

OK, I just now rebooted with a cd in the drive and the message
disappears. But why should I get the message in the first place.

I have never seen it before.

Alexander