diff -r a0f1deb65889 -r 793c09ece542 thermferm/devices.c
--- a/thermferm/devices.c	Thu Aug 14 21:50:38 2014 +0200
+++ b/thermferm/devices.c	Thu Aug 14 22:02:33 2014 +0200
@@ -410,6 +410,9 @@
 
     syslog(LOG_NOTICE, "Thread my_devices_loop started");
 
+    rc = piHiPri(10);
+    syslog(LOG_NOTICE, "Thread my_devices_loop piHiPri(10) rc=%d", rc);
+
     /*
      * Loop forever until the external shutdown variable is set.
      */