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

[David selby]

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

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