Re: DMA on CD Burners
On Tue, May 10, 2005 at 09:38:33AM -0500, Jason Martens wrote:
> Does anyone know why I can't set DMA on my CD Burners? It makes burning
> CD's very slooooooow. When I try to set it with hdparm, I get the
> following error:
>
> morpheus:~# hdparm -d1 /dev/hdb
>
> /dev/hdb:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Operation not permitted
> using_dma = 0 (off)
>
>
> I've tried it on two seperate drives, with the same result:
> hda: SONY DVD RW DW-U10A, ATAPI CD/DVD-ROM drive
> hdb: TSST CD-RW/DVD-ROM TSH492B, ATAPI CD/DVD-ROM drive
>
>
Jason,
What kernel version and motherboard chipset are you using? There is an
issue with kernel 2.6.8 and nforce chipset that is causing problems with
dma. What about your hard drive? Is dma working on it?
Jim Seymour
--
I started using something better than the "standard" back when IBM advertised
OS/2 Warp on TV. As Linux matured I made the transition from OS/2 v4 to Linux.
You don't have to accept less than you deserve.
"Use the Power of the Penguin" Registered Linux user #316735
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