Re: Terrible interactivity with 2.6.0-t9-mm3

[john stultz]

On Mon, 2003-11-17 at 11:36, Andrew Morton wrote:
> "Ronny V. Vindenes" <s864@xxxxxxxxx> wrote:
> > I've found that neither linus.patch nor
> > context-switch-accounting-fix.patch is causing the problem, but rather
> > acpi-pm-timer-fixes.patch & acpi-pm-timer.patch
> > 
> > With these applied my cpu (athlon64) is detected as 0.0Mhz, bogomips
> > drops to 50% and anything cpu intensive destroys interactivity. Revert
> > them and performance is back at -mm2 level.
> 
> ah hah.  Thank you!
> 
> Probably the interactivity problems are due to the CPU scheduler thinking
> that the CPU runs at 0Hz.  If we can work out why the PM timer patch has
> broken the CPU clock speed detection then all should be well.

Hrmm. I'll look into this. 

thanks
-john




-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/