Re: [Xenomai] rt_task_create fails when running over ssh

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On 11/03/2012 07:42 PM, Andrey Nechypurenko wrote:

> On 3 November 2012 15:09, Gilles Chanteperdrix
> <gilles.chanteperdrix@xenomai.org> wrote:
>>
>> Andrey Nechypurenko wrote:
>>>> Ok, but there is no code in xenomai which accesses or relies on the
>>>> console
>>>> could you try to run the latency test from the ssh console to see if you
>>>> get the same issue?
>>>
>>> xeno-test works just fine. So I assume that it is related to how I am
>>> compiling the example. I've tried trivial-periodic.c using the
>>> following command to compile:
>>>
>>> ARCH=arm CROSS_COMPILE=arm-angstrom-linux-gnueabi- CFLAGS="
>>> -march=armv7-a -fno-tree-vectorize -mthumb-interwork
>>> -mfloat-abi=softfp -mfpu=neon -mtune=cortex-a8 " LOCALVERSION=""
>>> arm-angstrom-linux-gnueabi-gcc
>>> -I/home/bbcross/rootfs/usr/include/xenomai/ -D_GNU_SOURCE -D_REENTRANT
>>> -D__XENO__ -L/home/bbcross/rootfs/usr/lib -lxenomai -lnative
>>> trivial-periodic.c -o trivial-periodic
>>
> 
>> Could you try to run the latency test without xeno-test ?
> 
> Seams like it does not work in the similar way:
> 
> # latency -t 0
> == Sampling period: 1000 us
> == Test mode: periodic user-mode task
> == All results in microseconds
> latency: failed to create latency task, code -1
> warming up...
> 
> and then it exits. -t 1 and -t 2 works fine.
> 
>> It should be -lnative -lxenomai
> 
> Changing to -lnative -lxenomai does not help
> 
>> please use the xeno-config to obtain the flags, do not hardcode them.
> 
> I am cross-compiling and I did not figured out yet how to convince
> xeno-config to pick right include and library directories. It generats
> -I/usr/include and -L/usr/lib which is not where actual libraries for
> cross-compilation are.


Use the DESTDIR environment variable (you can look inside xeno-config to
see how it works, it should be pretty obvious).


-- 
                                                                Gilles.