> Hi all. > > I got a very old notebook running debian 4.0 with kernel 2.6.25 and 2.6.21. > It has a 4GB IDE harddisk. I'm trying to enable DMA with hdparm, but it is > not working. > > The command I run and its output are: > > # hdparm -qc3 -qm16 -qd1 -qX66 -qS120 /dev/hda > HDIO_SET_DMA failed: Operation not permitted > > Did someone get this message before or know to solve it? > > Thanks, > > Rafael
What chipset, particularly the IDE chips, are on that very old network? You may need to compile the kernel with the appropriate driver rather than the ide-generic. I had this with a via chipset MB.
