ali hagigat wrote:
> I have installed xenomai-2.6.2.1 for linux-3.5.7 under Fedora 13 correctly
> and the Xenomai tests like, "latency", seem to work properly. I have
> written a application and have made it execute in the primary xenomai mode
> by rt_task_shadow and the timer mode is set in one shot=aperiodic.
> I have put the following instruction at the end of my C code:
>
> while(1);
>
> and I have only one real time application in user space. Watchdog timer
> facility has been enabled inside the kernel. but it does not kill the
> runaway process after 4 seconds!! that task continues to run. For the
> first
> 3 minutes when i use "PS axu" , it shows that CPU has been use over 70%.
> But the number will rise gradually so that it becomes 88%, even 100% and
> then suddenly, the system freezes and the screen is not updated and
> keyboard and other things seem not functioning.
>
> That was the first problem.
Please post the full code of the test application. The only reason I could
see for such a behaviour would be if the signal SIGXCPU is ignored, masked,
or its handler does not stop the program.
>
> Another problem is that before executing that real-time application, when
> i
> execute the regular Linux tasks like i run "make -j 16" for compiling the
> Linux kernel, system becomes not responsive much, for some minutes the
> keystrokes of the keyboard are not taken till "make" finishes.
> What is the reason for that?
>
> That was the second problem.
I do not understand how this problem is related to Xenomai.
--
Gilles
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