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

[Arnaud Degroote]

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.
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