Thanks!!!

There is still many problems. Why does the kernel hang after several
minutes? Every time, it takes almost the same time to "die". What might
cause that? Thanks for help!


On Sun, May 19, 2013 at 3:38 PM, Gilles Chanteperdrix <
[email protected]> wrote:

> On 05/19/2013 01:29 PM, kunming yang wrote:
>
> > Hello Gilles,
> >
> > You was right!! The kernel runs by now. But there is another problem, I
> got
> > this message before logging in:
> >
> > Error setting new values. Common errors:
> >
> > - Do you have proper administration rights? (super-user?)
> >
> > - Is the governor you requested available and modprobed?
> >
> > - Trying to set an invalid policy?
> >
> > - Trying to set a specific frequency, but userspace governor is not
> > available,
> >    for example because of hardware which cannot be set to a specific
> > frequency
> >    or because the userspace governor isn't loaded?
> >
> > What might that be?? Thanks for help.
>
>
> You probably have some utilities installed which try and use CPUFREQ,
> but CPUFREQ should be disabled in a kernel compiled for Xenomai, so,
> they are complaining.
>
> >
> >
> > On Fri, May 17, 2013 at 9:06 PM, Gilles Chanteperdrix <
> > [email protected]> wrote:
> >
> >> On 05/17/2013 03:34 PM, kunming yang wrote:
> >>
> >>> Hello Gilles,
> >>>
> >>> Is it ok that I configure the timer which is used for OS to generate a
> >>> periodic interrupt as xenomai clock? (Timer2 in my case)
> >>
> >>
> >> No, Xenomai needs a one-shot timer, not a periodic timer, see:
> >>
> http://www.xenomai.org/index.php/I-pipe-core:ArmPorting#The_general_case
> >>
> >> --
> >>                                                                 Gilles.
> >>
> >
>
>
>
> --
>                                                                 Gilles.
>
_______________________________________________
Xenomai mailing list
[email protected]
http://www.xenomai.org/mailman/listinfo/xenomai

Reply via email to