On 02/05/2013 05:37 PM, Gilles Chanteperdrix wrote:
> On 02/05/2013 02:17 PM, RAGHAVENDRA GANIGA wrote:
>
>> Sir i have compiled the linux 3.5.7 with xenomai 2.6.2.1 using
>> toolchain arm-none-linux-gnueabi from codesourcery and we were
>> testing the code which i have attached with the mail the non real
>> time tasks are working properly but the real time tasks are
>> giving some unexpected results like the code which i have attached
>> , in that when i execute the code the task gets registered in
>> /proc/xenomai/sched but there is no output from the tasks routine
>> like the first thing it should print is "in real time task" but
>> it is not printing, i have also attached the dmesg and the latency
>> test result from user space and kernel space.
>
>
> I could reproduce this issue. I am working on it (it seems to happen
> only on panda, when the kernel is compiled with CONFIG_SMP, so, I would
> bet on an IPI issue).
Actually, the task is running fine. The problem seems to be that printk
does not work from the context of kernel-space tasks, specifically on
the pandaboard.
--
Gilles.
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