https://devzone.nordicsemi.com/f/nordic-q-a/13100/freertos-rtc-interrupt-dissapearsHi everyone I&#39;m facing a weird problem in my design and FreeRTOS. Apparently, my system was working fine, but along I&#39;m adding more tasks, i&#39;ve detected the system stops working after a while. This time is random: sometimes freezes at several secondsen-USTelligent Community 13Mon, 11 Apr 2016 12:50:40 GMThttps://devzone.nordicsemi.com/thread/49956?ContentTypeID=1Mon, 11 Apr 2016 12:50:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7238e3c7-ae41-457f-ba95-516eaee7edc6Elena<p>I&#39;ve found the problem is related to the version I was using of the FreeRTOS port. By using the latest SDK (v11) the problem is fixed. I&#39;ve found this fix in this other thread: <a href="https://devzone.nordicsemi.com/question/57993/tickless-freertos-in-sdk-100-app_uart/">devzone.nordicsemi.com/.../</a></p> <p>Thanks for your help</p><div style="clear:both;"></div>