Re: Problem to turn DMA on

["Rafael Fontenelle" <rffontenelle@gmail.com>]

2008/4/26 Chris Bannister <mockingbird@earthlight.co.nz>:
>
> On Wed, Apr 23, 2008 at 03:00:14AM -0300, Rafael Fontenelle wrote:
>  > Hi all.
>  >
>  > I got a very old notebook running debian 4.0 with kernel 2.6.25 and 2.6.21.
>  > It has a 4GB IDE harddisk. I'm trying to enable DMA with hdparm, but it is
>  > not working.
>  >
>  > The command I run and its output are:
>  >
>  > # hdparm -qc3 -qm16 -qd1 -qX66 -qS120 /dev/hda
>  >  HDIO_SET_DMA failed: Operation not permitted
>  >
>  > Did someone get this message before or know to solve it?
>
>  You could try putting:
>
>         dma=on
>
>  as a kernel option in your /boot/grub/menu.lst (if you are using grub)
>
>  i.e.
>
>         kernel          /boot/vmlinuz root=/dev/hda1 ro vga=791 dma=on
>
>  Reboot, then see if it is turned on. hdparm will list the settings.
>
>  --
>  Chris.
>  ======
>  "One, with God, is always a majority, but many a martyr has been burned
>    at the stake while the votes were being counted."  -- Thomas B. Reed
>
>
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>

Thanks for the reply, Chris, but it didn't work. Same error message
was displayed in boot time.

Any other ideas?