FC2T3 no DMA available on /dev/hda
Ron McKown
fedora at ventura.nu
Sat May 8 14:12:12 UTC 2004
I am using FC2T3 and having a strange problem getting DMA activated on
my IDE drive (/dev/hda). My primary drive (/dev/sda) is a SATA drive
and works wonderfully.
hdparm -cd /dev/hda
/dev/hda:
IO_support = 1 (32-bit)
using_dma = 0 (off)
hdparm -d1 /dev/hda
/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
If I remove my SATA drive (/dev/sda) and install FC2T3 directly onto the
IDE drive (/dev/hda), then DMA is activated on the device.
My motherboard is an Intel 865PE.
I dual boot this computer (both OS on the SATA drive) and WindowsXP
reports DMA as active on the secondary /dev/hda device.
Anyone have a clue what is happening here?
Ron McKown
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