Re: acpi timer trouble

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Tue, Nov 26, 2013 at 05:10:37PM +0000, Patrick Welche wrote:
> On Tue, Nov 26, 2013 at 05:58:55PM +0100, Joerg Sonnenberger wrote:
> > On Tue, Nov 26, 2013 at 04:55:36PM +0000, Patrick Welche wrote:
> > > interrupt                                     total     rate
> > > cpu0 timer                                  1007499    23430
> > 
> > This is completely off and explains your problem. Can you post the first
> > part of the dmesg with the measured LAPIC and TSC frequency?
> 
> timecounter: Timecounters tick every 10.000 msec
> timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
> timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
> timecounter: Timecounter "ichlpcib0" frequency 3579545 Hz quality 1000
> timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
> 
> do you mean this? (essentially the
> 
> kern.timecounter.choice = TSC(q=-100, f=21712370 Hz) clockinterrupt(q=0, 
> f=100 Hz) ichlpcib0(q=1000, f=3579545 Hz) ACPI-Fast(q=1000, f=3579545 Hz) 
> lapic(q=-100, f=440146 Hz) i8254(q=100, f=1193182 Hz) dummy(q=-1000000, 
> f=1000000 Hz)
> kern.timecounter.hardware = ACPI-Fast

No, but the lapic entry is telling. That's actually the relevant number.
It should be something like 133 MHz or so, e.g. FSB frequency. 400kHz is
way off :)

Joerg