Hello again,
I try to activate DMA on a Toshiba DVD with these caracteristics :
[root@localhost root]# hdparm /dev/hdd
/dev/hdd:
HDIO_GET_MULTCOUNT failed: Invalid argument
IO_support = 0 (default 16-bit)
unmaskirq = 0 (off)
using_dma = 0 (off)
keepsettings = 0 (off)
readonly = 1 (on)
readahead = 8 (on)
HDIO_GETGEO failed: Invalid argument
and I had this message :
[root@localhost root]# hdparm -d1 /dev/hdd
/dev/hdd:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
What is the reason ? I was on root, and my dvd support udma2, for example...
Alexis
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