https://devzone.nordicsemi.com/f/nordic-q-a/35380/scanner-freezes-application-without-debugger-connected-on-sd-6-0-0Hello The scanner causes the code to freeze when a debugger is not connected. We are developing a system where one of our units is to run on the nRF52832. During development of the application we ran in to a problem after porting to SDK15 from 14en-USTelligent Community 13Wed, 13 Jun 2018 13:54:00 GMThttps://devzone.nordicsemi.com/thread/135962?ContentTypeID=1Wed, 13 Jun 2018 13:54:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6f93c6a6-423d-48d9-8629-e9eeb40f4041Martin<p>I was able to resolve this issue by setting RTT config mode:</p> <p><pre class="ui-code" data-mode="text">// &lt;o&gt; SEGGER_RTT_CONFIG_DEFAULT_MODE - RTT behavior if the buffer is full. // &lt;i&gt; The following modes are supported: // &lt;i&gt; - SKIP - Do not block, output nothing. // &lt;i&gt; - TRIM - Do not block, output as much as fits. // &lt;i&gt; - BLOCK - Wait until there is space in the buffer. // &lt;0=&gt; SKIP // &lt;1=&gt; TRIM // &lt;2=&gt; BLOCK_IF_FIFO_FULL #ifndef SEGGER_RTT_CONFIG_DEFAULT_MODE #define SEGGER_RTT_CONFIG_DEFAULT_MODE 1 #endif </pre></p> <p>The problem was we had this in block, after some troubleshooting on our own hardware. This caused the chip to halt.</p><div style="clear:both;"></div>