On Mon, Dec 01, 2014 at 05:54:36AM +0000, Terje Frøysa wrote:
> Dear Forum,
>
> Occasionally I get the warning listed below on my Beaglebone Black
> console. I am running Debian 3.8.13-bone67 with Xenomai 2.6.4
>
> I am running four RTDM modules handling interrupts from GPIO pins.
>
> As far as I have found, this kind of warnings can be associated
> with inappropriate calls from user space. But I cannot find such
> calls in my code. The irq is requested by a RTDM kernel module
> when issuing a device open call from user space.
Yes, there are several such issues in Xenomai 2.x. Note however that
the Beaglebone is uniprocessor, whereas ipip_set_irq_affinity is
called when CONFIG_SMP was enabled. Enabling CONFIG_SMP for an
uniprocessor is not recommended with Xenomai 2.x, as it gives
slightly worst performances.
--
Gilles.
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