Application code jumps to Oxfffffffe after sd_softdevice_enablehttps://devzone.nordicsemi.com/f/nordic-q-a/28190/application-code-jumps-to-oxfffffffe-after-sd_softdevice_enableHi, i am creating a new project iar workbench 7.8 with SDK V8.1.0 and softdevice V8.0.0 using custom board nrf51822 ic revision 3 (QFAAH00),clock source as &quot;NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION&quot; for ble_stack_init(),after sd_softdevice_enableen-USTelligent Community 13Mon, 11 Dec 2017 16:03:21 GMTRE: Application code jumps to Oxfffffffe after sd_softdevice_enablehttps://devzone.nordicsemi.com/thread/111380?ContentTypeID=1Mon, 11 Dec 2017 16:03:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:386b310f-59fb-4ab6-9da3-b8380c001135MartinBL<p>Have you tried to set the optimization flag to -O0 and enabled debugging by defining <code>DEBUG</code>? If you don&#39;t, then debugging doesn&#39;t make much sense. <a href="https://devzone.nordicsemi.com/question/60125/my-device-is-freezing-and-restarting/">Useful thread</a>.</p><div style="clear:both;"></div>