Hi, I'm running the bf24 kernel and trying to enable DMA on my hard drive.
My first question is, is DMA already activated?
running hdparm /dev/hdc yields
using_dma = 0 (off)
while running hdparm -i /dev/hdc yields
DMA modes: mdma0 mdma1 mdma2 udma0 udma1 udma2
and hdparm -I /dev/hdc outputs
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
Cycle time: min=120ns recommended=120ns
Could somebody please help me make sence of these readings?
Now when I run hdparm -d1 /dev/hdc I get
Wuler:/var/www/Digi-CRAUDphp/Venue# hdparm -d1 /dev/hdc
/dev/hdc:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
Has anybody got any ideas?
Regards
Wayne Gemmell
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