https://devzone.nordicsemi.com/f/nordic-q-a/114243/what-is-mpu-faultHello， I am using a customized NRF52832 circuit board. During the Bluetooth connection test with a mobile phone, the connection suddenly disconnected, and then quickly reconnected automatically. The log print information is as follows. What is the problemen-USTelligent Community 13Tue, 27 Aug 2024 08:50:03 GMThttps://devzone.nordicsemi.com/thread/499926?ContentTypeID=1Tue, 27 Aug 2024 08:50:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6587b7fa-23a2-491f-b478-e8ceffc65d61Vidar Berg<p>The stack guard is enabled by default, and the error log indicates that it has detected a stack overflow in one of your threads. I suggest enabling CONFIG_THREAD_NAME to&nbsp;find out which thread the stack overflow occured in.&nbsp;Then you can increase the stack size for that thread to&nbsp;fix the issue.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/499922?ContentTypeID=1Tue, 27 Aug 2024 08:47:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9520333d-7aa9-404a-9cdd-48cd206d61d6Kc Owen<p>I&#39;m sorry, I&#39;m not quite sure what you mean,does the link you posted mean to enable stack overflow detection CONFIG_MPU_STACK_GUARD?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/499878?ContentTypeID=1Tue, 27 Aug 2024 05:42:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d01a0e64-131a-4f53-b5ec-51e918bcc386Vidar Berg<p>Hello,</p> <p>The crashlog indicates that you have a stack overflow in one of your threads (<a href="https://docs.nordicsemi.com/bundle/ncs-latest/page/zephyr/hardware/arch/arm_cortex_m.html#mpu-assisted_stack_overflow_detection">https://docs.nordicsemi.com/bundle/ncs-latest/page/zephyr/hardware/arch/arm_cortex_m.html#mpu-assisted_stack_overflow_detection</a>). I recommend enabling CONFIG_THREAD_NAME in your project configuration file to get the name of the thread with the stack overflow.</p> <p>Best regards,</p> <p>Vidar</p><div style="clear:both;"></div>