On Mon, Dec 01, 2014 at 10:19:51AM -0500, Lennart Sorensen wrote:
> On Mon, Dec 01, 2014 at 05:54:36AM +0000, Terje Frøysa wrote:
> > 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.
>
> I just changed the code to not give the warning. The omap-gpio driver
> doesn't support setting affinity, and the linux irq driver has no issue
> with that, so perhaps xenomai/ipipe has no reason to have a problem with
> it either.
On the other hand, this is just a warning, it does not prevent the
system from working, and this warning warns us about a real problem:
we can not set the irq affinity of this driver.
--
Gilles.
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