On 09/26/2012 05:40 PM, Christoph Permes wrote:
> Hi!
>
> Meanwhile I found out that the problem does not occur when the
> X86_PM_TIMER option is enabled in the kernel.
>
> Is it OK to enable X86_PM_TIMER? The Xenomai documentation does not
> explicitly say if this option should be enabled or disabled, but I've
> read about some issues on the mailing list where this option caused
> problems.
Hi,
Xenomai will use a timer only if it has not been shutdown by Linux. So,
if enabling the PM_TIMER causes the APIC to be shut down then yes, you
should disable PM_TIMER. Though with CONFIG_SMP, there is one LAPIC
timer whereas there is only one PM_TIMER.
What is the result of cat /proc/timer_list when the APIC was disabled?
Regards.
--
Gilles.
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