Re: [git patches] IDE update

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

On 7/4/05, Ondrej Zary <linux@rainbow-software.org> wrote:
> Al Boldi wrote:
> > Bartlomiej Zolnierkiewicz wrote: {
> >
> >>On 7/4/05, Al Boldi <a1426z@gawab.com> wrote:
> >>Hdparm -tT gives 38mb/s in 2.4.31
> >>Cat /dev/hda > /dev/null gives 2% user 33% sys 65% idle
> >>
> >>Hdparm -tT gives 28mb/s in 2.6.12
> >>Cat /dev/hda > /dev/null gives 2% user 25% sys 0% idle 73% IOWAIT
> >>
> >>It feels like DMA is not being applied properly in 2.6.12.
> >
> >
> > Are earlier 2.6.x kernels okay?
> >
> > dmesg output?
> > }
> >
> > Same on 2.6.10,11,12.
> > No errors though, only sluggish system.

What about earlier kernels?

Please try to narrow down the problem to a specific kernel version.

> Something like this http://lkml.org/lkml/2005/6/13/1 ?

It doesn't seem like IDE regression but...

Bartlomiej