[riot-users] Issue with xtimer_usleep

Jose Alamos jialamos at uc.cl
Tue Jan 16 11:17:48 CET 2018

Hi Aurelién,

I'm currently running some experiments in a nucleo-L073RZ, calling
xtimer_usleep with small random values, just to check if I can reproduce
the issue.
On the other side, is the same issue happening if you increase the


Le lun. 15 janv. 2018 à 21:59, Aurélien Fillau <aurelien.fillau at gmail.com>
a écrit :

> Hi,
> Thank you for your replies and i apologize for the delay in responding.
> We are working on custom boards now that embeds a STM32L073CZT6 CPU. We
> have started the project with a nucleo-l073rz board (STM32L073RZT6), and i
> think it can be easily reproduced on this board.
> xtimer_usleep() is called from thread context (not from an isr context).
> I didn't try to change XTIMER_BACKOFF because i have stabilized it to
> faced another issue (Indeed, xtimer_usleep() was sleeping my task forever
> if XTIMER_BACKOFF  was too small).
> This "blocking while" can occur at startup or after 24 hours or even after
> a longer period of time, or even never on some boards, that's why it is not
> easily reproducible.
> Regards,
> Aurélien
> Le 15 janv. 2018 10:56, "Jose Alamos" <jialamos at uc.cl> a écrit :
>> Hi Aurélien:
>> Could you give us more information about your platform? (e.g CPU model,
>> etc).
>> Are you getting the same results with different values of XTIMER_BACKOFF?
>> Cheers
>> José
>> _______________________________________________
>> users mailing list
>> users at riot-os.org
>> https://lists.riot-os.org/mailman/listinfo/users
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