Re: [PATCH] Updated: Dynamic Tick version 050408-1

[Tony Lindgren <tony@atomide.com>]

On Sat, Apr 09, 2005 at 11:56:08AM +0200, Pavel Machek wrote:
> Hi!
> 
> > > > > I think I have an idea on what's going on; Your system does not wake to
> > > > > APIC interrupt, and the system timer updates time only on other interrupts.
> > > > > I'm experiencing the same on a loaner ThinkPad T30.
> > > > > 
> > > > > I'll try to do another patch today. Meanwhile it now should work
> > > > > without lapic in cmdline.
> > > > 
> > > > Following is an updated patch. Anybody having trouble, please try
> > > > disabling CONFIG_DYN_TICK_USE_APIC Kconfig option.
> > > > 
> > > > I'm hoping this might work on Pavel's machine too?
> > > 
> > > The "volume hang" was explained: I was using CPU frequency scaling, it
> > > probably did not like that. After disabling CPU frequency scaling, it
> > > seems to work ok:
> > 
> > OK, good. I assume this was the same machine that did not work with
> > any of the earlier patches
> 
> I did testing on that machine today, and yes it works okay if I disable the
> NO_IDLE_HZ_USE_APIC (or how is it called) option. Time problems are gone.

That's great!

Tony