Bug#284558: kernel-image-2.6.9-1-686-smp: cannot configure DMA for IDE disk
On Tue, Dec 07, 2004 at 12:16:35AM -0700, Larry Hunter wrote:
> On a Dell Precision 530, I am trying to install an 80GB Hitachi / IBM
> disk (specifically, 07N9685 Deskstar 180 GXP 80GB EIDE, ATA-6, 7200
> RPM) working in DMA mode. The Dell uses an on-board Intel PIIX4 Ultra
> 100 Chipset. The drive is drive 0 (master) on the primary channel of
> the controller, and there are no other drives on that channel. There is
> a CD-RW on the secondary channel. The drive and the controller are
> capable of DMA.
>
> The device is recognized properly by the bios, and is available as
> /dev/hda. However, it is not and cannot be put into DMA mode, making it
> dramatically slower than it should be. The easiest way to see that is by
> hdparm:
fwiw, I'm seeing exactly the same problem with an IBM thinkpad
600E. piix modules all load OK, but with 2.6.9 I can't put the HD into
DMA mode.
It worked fine with 2.6.8
Phil
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