Re: Yet another HDIO_SET_DMA failed problem
hi ya
On Mon, 11 Aug 2003 tmcd@panix.com wrote:
> hdparm -d 1 -k 1 /dev/hda
> HDIO_SET_DMA failed: operation not permitted
do you know what the "-k 1" setting does ???
do you know if the disk drive supports that option ??
> I went to Google and did some searching, finding what looks like a
> fair amount of false information, like the person who said that you
> just can't do it with a 2.4.21 kernel. Several people suggested a
> command that I forget, but apparently the same info is in /proc/pci.
> -- I should note: 2.4.21 kernel, AMD Athlon K7 processor, Iwill XP333
> motherboard, new Maxtor DiamondMax Plus 9 200 GB IDE (6Y200P0).
>
> 00:04.0 IDE interface: ALi Corporation M5229 IDE (rev (4)
> (prog-if & [Master SecP PriP])
> ISA bridge: ALi Corporation [ALi] M1533 PCI to ISA bridge
> [Alladin IV] (rev 0)
>
> if my scrawled notes are to be trusted. One person had recommended
> that the second line indicated that the alim15x3 module needed to be
> loaded. I did, and bandwidth dropped from 4 MB/s to 1 MB/s!
looks like the alim15x3 module is the right choice ..
you might also need to check other disk options
- what other options is set or not set
- what other disks is connected on the same ide cable
on and on .. gazillion questions
c ya
alvin
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