[Xenomai] Support of Beagleboard xm rev C on 3.14-ipipe

Gilles Chanteperdrix gilles.chanteperdrix at xenomai.org
Mon Jun 30 10:59:26 CEST 2014


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On 06/30/2014 10:26 AM, Arnaud Degroote wrote:
> On 27/Jun - 18:27, Gilles Chanteperdrix wrote:
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>> On 06/27/2014 09:22 AM, Arnaud Degroote wrote:
>>> On 26/Jun - 19:27, Gilles Chanteperdrix wrote:
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>>>> On 06/26/2014 01:19 PM, Arnaud Degroote wrote:
>>>>> On 26/Jun - 13:08, Gilles Chanteperdrix wrote:
>>>>>> switchtest is another story. Does switchtest hang, or
>>>>>> does the system completely freeze?
>>>>> 
>>>>> switchtest hangs, but the system is still responsive. I
>>>>> can ctrl-c it and restart it. On C-c, it prints "properly"
>>>>> a number of ctx switches done (which is far from other
>>>>> "normal" values).
>>>>> 
>>>> You mean it is as if switchtest had continued switching
>>>> contexts but had not printed anything? Do you see counters
>>>> incrementing in /proc/xenomai/stat ?
>>> 
>>> I just meant that switchtest seems to respond properly to C-c,
>>> even if it does not progress. But counters from
>>> /proc/xenomai/stat stops incrementing at some point.
>>> 
> 
> Related to my previous mail, I'm able to reduce threadspec to
> 
> rtk0 rtk0  rtup0
> 
> or
> 
> rtk0  rtup0 rtup0
> 
> Both demonstrates some quick hang. Other pattern may block too, I
> don't try the full combinatorial.
> 
Could you test rtk0 alone?

It would mean there is an issue with the context switch. Are you
running with the xenomai git?

- -- 
                                                                Gilles.
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