Re: DMA doesn't seem to work with my custom 2.4.21 kernel

[David selby <debian@pusspaws.net>]

Pim Bliek wrote:

> Hi,
>
> I've set the following in my kernel-config (2.4.21):
>
> CONFIG_BLK_DEV_IDEDMA_PCI=y
> CONFIG_IDEDMA_PCI_AUTO=y
> CONFIG_BLK_DEV_IDEDMA=y
>
> I have an ASUS A7N8X Deluxe rev 2.0 motherboard.
>
> When I run hdparm -d1 /dev/hda I get the following error:
>
> # hdparm -d1 /dev/hda
> /dev/hda:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Operation not permitted
> using_dma    =  0 (off)
>
> I know this has worked on my system on a previous install (Gentoo). I
> have quite a new WD HDD 80 GB.
>
> Anyone knows what I am missing?
>
> Pim
>
>  
I was running 2.4.19, upgraded to 2.4.21, dma stopped working, went back 
to 2.4.19, dma works. Im not experienced enough to give you more help 
than that. Give 2.4.19 a go ?

Dave