DMA problem with DVD drive

Roman Kennke roman at interview-machine.com
Fri Jan 16 10:31:52 PST 2004


>> I am not able to enable DMA for my DVD drive.

> I have a similar drive on my Toshiba Satellite A30-514 and to set UDMA
> mode on boot I have put the following line in /boot/loader.conf:
>
> hw.ata.atapi_dma="1"
>
> Here's the relevant part of dmesg output:
>
> acd0: CDRW <TOSHIBA DVD-ROM SD-R2412> at ata1-master UDMA33

I also tried this. As well as
hw.ata.ata_dma="1"

no success with that. I suppose its a f***cked up controller.

I think I have to go with Linux for things which need DMA, like DVD playback.

Best regards, ROman




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