Re: CD-ROM dma activation

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> Subject: CD-ROM dma activation
> From: Gerhardus Scheltema <sa-redhat-user@ananzi.co.za>
> To: Psyche List <psyche-list@redhat.com>
> 
> Hello
> 
> I'm having problem activating the dma on my DVD/CDROM
> 
> doing : hdparm -d 1 /dev/hda (HardDrive) works fine but
> doing : hdparm -d 1 /dev/hdc (DVD/CDROM) gives me
> 
> /dev/hdc:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)
> 
> Can anybody please help?
> 
> Gerhardus

The Red Hat 8.0 RELEASE_NOTES explain this.  (see next to last bullet
item).

-- 
    pete peterson
    Teradyne, Inc.; 7 Technology Park Drive; Westford, MA 01886-0033
    +1-978-589-7478 (Office); +1-978-589-2088 (FAX);
    pete.peterson@teradyne.com or petersonp@genrad.com

 



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