Re: 2.6.1 "clock preempt"?
From: Bartlomiej Zolnierkiewicz (B.Zolnierkiewicz_at_elka.pw.edu.pl)
Date: 01/31/04
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To: markus reichelt <mr@lists.notified.de> Date: Sat, 31 Jan 2004 00:32:23 +0100
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
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