Esben Stien wrote:
I'm having problems enabling DMA for my PATA HD.
hdparm -d1 /dev/hdb reports:
HDIO_SET_DMA failed: Operation not permitted
Of course, I'm super user. Nothing is printed in dmesg.
I'm on linux-2.6.16 and motherboard is Fujitsu Siemens D1561 with an
ICH5. I also have a SATA hd in the computer and this only happens when
the SATA hd is there. If I remove the SATA HD, then I can enable DMA
for the PATA hd.
Disabled combined mode in BIOS.
Jeff
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