Re: b44: regression in 2.6.22 (resend)

Thomas Gleixner
2007-05-28T19:24:08Z

On Mon, 2007-05-28 at 19:44 +0200, Maximilian Engelhardt wrote:
> > Can you please keep CONFIG_HIGH_RES_TIMERS and CONFIG_NOHZ and try the
> > following combinations on the kernel command line:
> >
> > 1) highres=off nohz=off (should be the same as your working config)
> > 2) highres=off
> > 3) nohz=off
>
> I tested this with my 2.6.22-rc3 kernel, here are the results:
>
> without any special boot parameters: problem does appear
> highres=off nohz=off: problem does not appear
> highres=off: problem does not appear
> nohz=off: problem does appear

Is there any other strange behavior of the high res enabled kernel than
the b44 problem ?

> I additionally built my 2.6.22-rc2-mm1 kernel without High Resolution Timer,
> but the high ping problem is still there.

Hmm, that's mysterious. Wild guess is that highres exposes the hidden
"feature" in a different way than rc2-mm1 does.

tglx