Reduced low priority thread stack size to 1728. Top indicates the high-water-mark is at 1380 during accelerometer calibration. Safety margin ~25%

src/modules/commander/commander.cpp

@@ -648,7 +648,7 @@ int commander_thread_main(int argc, char *argv[])
 
 	pthread_attr_t commander_low_prio_attr;
 	pthread_attr_init(&commander_low_prio_attr);
-	pthread_attr_setstacksize(&commander_low_prio_attr, 2992);
+	pthread_attr_setstacksize(&commander_low_prio_attr, 1728);
 
 	struct sched_param param;
 	(void)pthread_attr_getschedparam(&commander_low_prio_attr, &param);