DMA for CD-Drive at bootup (error)

R.L.Reingard list.account at
Sun Oct 2 07:28:04 UTC 2005

> Am 02.10.2005, 02:44 Uhr, schrieb David Coldrick <coldrick at>:
> So is there in fact a device /dev/hdc? On my laptop, for example,
> /etc/fstab shows /dev/scd0 as the CD/DVD drive.
> I must admit I have'nt tried to enable DMA with it, tho

>> On 10/2/05, R.L.Reingard <list.account at> 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?
>> configuration in hdparm.conf:
>> /dev/hdc {
>> dma = on
>> }

it is hdc in my case. that is not the problem. it looks like, that at this  
particular moment in the boot process hdc is not known at all. how this  

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