Re: [Xenomai-help] invalid use of FPU in Xenomai context

[Jeff Webb <jeff.webb@domain.hid>]

Jeff Webb wrote:
> Jan Kiszka wrote:
>> Jeff Webb wrote:
>>> If I run the attached program, I get the following result:
>>>
>>>  [root]# ./mqtest2
>>>  CPU time limit exceeded
>>>
>>> The kernel log contains:
>>>
>>>  Oct 25 14:13:03 kernel: invalid use of FPU in Xenomai context at 
>>> 0x80492f6
>>
>> Could you also try if this patch changes anything:
>>
>> https://mail.gna.org/public/xenomai-core/2006-10/msg00069.html
>>
>> (Could be the case if you happen to use some FPU-touching Linux driver.)
> 
> The patch would not apply to xenomai 2.2.4, so I checked out the svn 
> trunk (rev 1749), and then applied this patch.  I get the same behavior.

I tried my mqtest2 example with a stock xenomai 2.2.4 UP kernel (instead of SMP), and I still get the FPU error message and SIGXCPU signal.  I also went back to xenomai 2.2.1 SMP and still have the problem there.

Has anyone tried the example on some other hardware?

-Jeff