Re: [PATCH] Dynamic tick, version 050127-1

[Tony Lindgren <tony@atomide.com>]

* Pavel Machek <pavel@ucw.cz> [050206 00:20]:
> Hi!
> 
> > > > Currently the suggested combo is local APIC + ACPI PM timer...
> > > 
> > > Ok, works slightly better: time no longer runs 2x too fast. When TSC
> > > is used, I get same behaviour  as before ("sleepy machine"). With
> > > "notsc", machine seems to work okay, but I still get 1000 timer
> > > interrupts a second.
> > 
> > Sounds like dyn-tick did not get enabled then, maybe you don't have
> > CONFIG_X86_PM_TIMER, or don't have ACPI PM timer on your board?
> 
> I do have CONFIG_X86_PM_TIMER enabled, but it seems by board does not
> have such piece of hardware:
> 
> pavel@amd:/usr/src/linux-mm$ dmesg | grep -i "time\|tick\|apic"
> PCI: Setting latency timer of device 0000:00:11.5 to 64
> pavel@amd:/usr/src/linux-mm$ 
> 
> [Strange, I should see some messages about apic, no?]

Yeah, looks like you don't have a local APIC then? Let me test the
patch here with just PIT timer only.

It also looks like you don't have TSC either? Or do you still have
notsc cmdline option?

Tony