https://devzone.nordicsemi.com/f/nordic-q-a/61650/buttonless-dfu-freertos-exampleI&#39;m struggling to get buttonless DFU to work with FreeRTOS. I&#39;ve gotten buttonless DFU sample to run on the hardware. I also have FreeRTOS running on the hardware. However when I try to put them together, I&#39;m needing to make choices about RTC1_IRQHandleren-USTelligent Community 13Fri, 22 May 2020 22:56:45 GMThttps://devzone.nordicsemi.com/thread/251331?ContentTypeID=1Fri, 22 May 2020 22:56:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:57a27081-6cd2-4019-988b-3814384eb669MoLoAndy<p>The problem was SEGGER_RTT_CONFIG_DEFAULT_MODE was set to blocking, and so evidently some NRF LOG call was trying to write but had not enough buffer and thus DFU was prevented from continuing.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/251294?ContentTypeID=1Fri, 22 May 2020 15:09:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5e7c4ad5-3af0-4606-a501-2d6c3cdc297aMoLoAndy<p>I&#39;ve made more progress. If I make sure to never return fase from app_shutdown_handler then it will switch over to DFU automatically.</p><div style="clear:both;"></div>