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
