Re: DMA on CMD646 went away in 2.1.9x series?

mlord (mlord@pobox.com)
Wed, 15 Apr 1998 22:48:07 -0400

Don Fisher wrote:
>
> My 2.1.88 kernel supports DMA on IDE disks, while the 2.1.96
> protests the hdparm command with the following.
>
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Operation not permitted
> using_dma = 0 (off).
...

Somebody recently broke the CMD646 support for non-sparc,
though if you configure in the sparc driver, it might work
regardless.

The pending IDE update includes a fix for this.

-- 
mlord@pobox.com
The Linux IDE guy


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