From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 07 Jan 2010 15:36:19 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] native skin 2.5.0: rt_task_create() segfaults if
 stacksize parameter too small
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To: Stefan Kisdaroczi <kisda@domain.hid>
Cc: xenomai@xenomai.org

Stefan Kisdaroczi wrote:
> hi,
> 
> i have upgraded xenomai to 2.5.0 (x86,32bit). My application segfaults when I
> try to create a task with stacksize 2048, this worked with 2.4.10.
> Because my app is written in pascal i have reproduced the problem with the
> xenomai trivial-periodic.c example:
> 
> -	rt_task_create(&demo_task, "trivial", 0, 99, 0);
> +	rt_task_create(&demo_task, "trivial",16911, 99, 0);
> 
> Stacksize 0 -> default stack size : ok
> Stacksize > 0 and <= 16911 : Segmentation fault
> Stacksize >= 16912 : ok
> 
> Any hints ?

What does the task do? If it uses printf, printf needs a lot of room on
the stack.

-- 
					    Gilles.