[Xenomai] real-time guarantee issues on xenomai

Gilles Chanteperdrix gilles.chanteperdrix at xenomai.org
Fri Aug 8 14:05:43 CEST 2014

On 08/08/2014 08:59 AM, Philippe Gerum wrote:
> On 08/07/2014 09:56 PM, Gilles Chanteperdrix wrote:
>> On 08/07/2014 09:44 PM, Philippe Gerum wrote:
>>> On 08/07/2014 09:35 PM, Ludovic Righetti wrote:
>>>>> I suspect you could run any loop, like cat /proc/interrupts, and see the
>>>>> same issue. Are you running with a frame buffer in the no-x mode?
>>>> that's what I thought too, but /proc/interrupts or /proc/xenomai/sched
>>>> (or others) do not seem to create any issue (below the output for
>>>> interrupts, watching other /proc/ files give similar results).
>>>> Let me check about the fb.
>>> Just for kicks, could you try this patch ? it does NOT fix anything,
>>> only maybe papering over an issue we don't know about yet:
>> Note that there has already been a thread about this issue in april.
> So it looks like nobody cared.
I tried and help Jeroen, but since I could not reproduce the issue,
could not investigate it much further.


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