Re: 2.6.16-rt11: Hires timer makes sleep wait far too long

[Jonathan Woithe]

Thomas

> On Wed, 2006-04-05 at 09:51 +0930, Jonathan Woithe wrote:
> >   ENABLING IO-APIC IRQs
> >   ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
> >   Event source pit new caps set: 05
> >   Event source lapic installed with caps set: 02
> >   :
> >   Time: tsc clocksource has been installed.
> >   hrtimers: Switched to high resolution mode CPU 0
> >   :
> >   Time: acpi_pm clocksource has been installed.
> >   hrtimers: Switched to high resolution mode CPU 0
> 
> Nothing wrong so far. I have to find a test box with pm timer to get
> some more info.

Note that the fault condition persisted no matter which clocksource was
in use: I tried all four (tsc, pm_timer, jiffies, pit) and they all resulted
in "sleep 1" lasting far longer than 1 second.

Feel free to email if I can be of further assistance.  In the meantime I'll
try 2.6.16-rt12 over the weekend to see if the situation is any different.

Regards
  jonathan
-
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/