https://devzone.nordicsemi.com/f/nordic-q-a/24494/cannot-output-multiple-deferred-logs-sdk14I have found that deferred logs cannot be outputted if they exceed the certain size. I modified &quot;\examples\ble_peripheral\ble_app_blinky&quot; from SDK14. I&#39;m using nRF52 DK with RTT. In main function... // Initialize. leds_init(); timers_init();en-USTelligent Community 13Mon, 21 Aug 2017 11:36:51 GMThttps://devzone.nordicsemi.com/thread/96434?ContentTypeID=1Mon, 21 Aug 2017 11:36:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:30a7cab5-ee56-4891-9ba2-936ea08a61afTakashi<p>Hi, Sigurd It worked fine ! Thank you for your great help.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/96433?ContentTypeID=1Mon, 21 Aug 2017 09:17:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b17939cc-8e54-495c-974c-ad07bf4e9c8eSigurd<p>Hi,</p> <p>Segger RTT is by default non-blocking, and when the buffer is full the default behavior is to skip the extra messages (<code>SEGGER_RTT_CONFIG_DEFAULT_MODE</code>).</p> <p>If you increase the buffer size from 512 to 1024 you should be able to see all your messages. You can do this by setting <code>SEGGER_RTT_CONFIG_BUFFER_SIZE_UP</code> in sdk_config.h to 1024.</p><div style="clear:both;"></div>