Cannot enable dma on promise ata 100

From: David Gironella Casademont (giro@hades.udg.es)
Date: Tue Jul 16 2002 - 06:23:59 EST

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I have promise fastrak tx200, but when i try to enable dma with hdparm -d1
/dev/hda , i have this error HDIO_SET_DMA failed: Operation not permitted

Without dma i have a 1,47Mb/s of buffered disk read, and this is not
normal.

What is happend? I need to change my kernel, i use 2.4.18-bf24, from
debian woody 3.0Beta.

Thk.
Giro

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