https://devzone.nordicsemi.com/f/nordic-q-a/66445/rtc-breakHello! I wrote about the details in topic 66156 , but they did not answer me, because this question is already different from the original one. The drv_rtc.c library has this code, if you put a breakpoint on the line NRF_LOG_INFO (&quot;RTC: initialized.&quot;en-USTelligent Community 13Mon, 28 Sep 2020 13:47:24 GMThttps://devzone.nordicsemi.com/thread/271814?ContentTypeID=1Mon, 28 Sep 2020 13:47:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bab2a38b-6d2d-4902-8d61-6831b003432bProton<p>Heh! Interesting behavior! Thanks a lot for finding this stupid error!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/271790?ContentTypeID=1Mon, 28 Sep 2020 13:07:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6ddbdf95-b4ab-4521-b451-ff4bca7a8ae3Vidar Berg<p>Sorry, it wasn&#39;t going in a bootloop, it was the logger that kept repeating the same message over and over again. Apparently because log init was executed twice:</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/7776.pastedimage1601298510134v1.png" alt=" " /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/271746?ContentTypeID=1Mon, 28 Sep 2020 11:32:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fce1f495-00c0-48f0-b8bc-4836964cb0e0Proton<p>Yes</p> <p><a href="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/trc_5F00_break_5F00_test.zip">devzone.nordicsemi.com/.../trc_5F00_break_5F00_test.zip</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/271737?ContentTypeID=1Mon, 28 Sep 2020 11:07:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c805b48c-b4d9-45ce-9e2a-17534945d588Vidar Berg<p>Hello,</p> <p>The program is going in a reset loop, but I&#39;m afraid I don&#39;t have enough information to say why it happens. Can you upload the latest version of your project that would led me replicate this on a DK?</p><div style="clear:both;"></div>