Re: Problem Setting DMA

[Marco Calviani <mirtux@studenti.fisica.unifi.it>]

Thomas H. George ha scritto:

> The response to the command hdparm -d 1 /dev/hdb is
>
>    /dev/hdb:
>      Setting using-dma to 1 (on)
>       HDIO_SET-DMA failed: Operation not permitted
>       using_dma      =   0  (off)
>
> yet
>
>    ll /proc/ide/hdb
>
> shows root has rw permissions for the settings file and the file contains
>
> Name                  Value      Min      Max      Mode
> using_dma            0            0            1            rw
>
> Since root has read/write permissions to this file, could - should? - 
> I edit it and change the Value to 1?
>
> hdb is a relatively new - purchased Dec. 2003 - 80 GB Western Digital 
> drive.
Hi,
  in my case this problem has been resolved choosing the appropriate 
ATA driver (intel PIIX).

Regards,
MC