Re: RTAI 3.9 lock on

On Thu, May 2, 2013 at 11:51 AM, <[email protected]> wrote:

> I  tried to compile with the option  cmake . -DOROBLD_OS_AGNOSTIC=OFF
> -DOROSEM_OS_LXRT_CHECK=ON but it didn't change anythings.
>
> I changed by hands the file lxrt/fosi.h according to the patch but there
> are
> many error of type :
>
> [ 12%] Building C object
> rtt/CMakeFiles/orocos-rtt-lxrt_dynamic.dir/os/lxrt/fosi.c.o
> /home/laboratorio/rock/tools/rtt/rtt/os/lxrt/fosi.c: In function
> ‘rtos_sem_init’:
> /home/laboratorio/rock/tools/rtt/rtt/os/lxrt/fosi.c:94: error: ‘rt_sem_t’
> has no member named ‘sem’
> /home/laboratorio/rock/tools/rtt/rtt/os/lxrt/fosi.c:95: error: ‘rt_sem_t’
> has no member named ‘sem’
> /home/laboratorio/rock/tools/rtt/rtt/os/lxrt/fosi.c: In function
> ‘rtos_sem_destroy’:
> /home/laboratorio/rock/tools/rtt/rtt/os/lxrt/fosi.c:101: error:
> ‘rt_sem_t’ has no member named ‘sem’
>
> If I change the functions in this way
>      int rtos_sem_init(rt_sem_t* m, int value )
>      {
>          CHK_LXRT_CALL();
>
> //        m->sem = rt_sem_init( rt_get_name(0) , value);
> //       return m->sem == 0 ? -1 : 0;
>         m= rt_sem_init( rt_get_name(0) , value);
>          return m == 0 ? -1 : 0;
>      }
>

You can keep this fix for now...


>
> it compiles but the system hangs during the core-test.
> Just one time I read on the screen before the system hangs :
> CANNOT INIT LXRT Tread gloabalEngine....
>

The I probably know what went wrong... could you check that the "Number of
LXRT slots" in the RTAI kernel configuration is at least 1000 ?

See the installation manual:
http://www.orocos.org/stable/documentation/rtt/v2.x/doc-xml/orocos-installation.html#general_setup_rtai

Peter

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