Re: 2.6.1 "clock preempt"?

[timothy parkinson <t@timothyparkinson.com>]

On Sat, Jan 31, 2004 at 12:32:23AM +0100, Bartlomiej Zolnierkiewicz wrote:
> On Tuesday 27 of January 2004 22:30, markus reichelt wrote:
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> >
> > timothy parkinson <t@timothyparkinson.com> wrote:
> > > * Running with SpeedStep (this is a cpu thing i assume?) could cause
> > > this. * Not having DMA enabled on your hard disk(s) could cause this. 
> > > See the hdparm utility to enable it.
> > > * Incorrect TSC synchronization on SMP systems could cause this.
> > > * Anything else?
> >
> > Yepp:
> >
> > Jan 27 20:12:12 tatooine kernel: Losing too many ticks!
> >
> > I had to set "CONFIG_IDE_TASK_IOCTL=y" in my .config in order to get
> > it working.
> 
> How's that possible?
> This config option only exports HDIO_DRIVE_TASKFILE ioctl to user-space.
> 
> --bart
> 

without that, "hdparm -d1 /dev/hda" would claim that dma wasn't supported on my
harddrive.

i'm positive it's the only variable, i didn't change anything else!

timothy