DMA for CD-Drive at bootup (error)

[R.L.Reingard]

> Am 03.10.2005, 10:36 Uhr, schrieb 'Forum Post  
> <ulist at gs1.ubuntuforums.org>:

>> R.L. Reingard wrote:
>> with DMA enabled for the CD-Drive i always get at boot time an error
>> like, this drive /dev/hdc is not known.
>> what can i change here? something in the bootup procedure or is the
>> configuration in hdparm.conf wrong?

> I get the same error message, but on my system DMA is enabled
> nevertheless. It's just an output bug, nothing more.
>
> If in doubt you can check the status using *sudo hdparm -d /dev/hdc*
> (without spesifying either d1 or d0 you can see the current status of
> the drive)

right, i know that check. with the harddisk it is same as you discribe. at  
bootup the disk gets DMA enabled even without an entry in hdparm.conf.  
but, i have this problem with the CD-(ROM)-Drive.