Index: main/autoservice.c
===================================================================
--- main/autoservice.c	(revision 273233)
+++ main/autoservice.c	(working copy)
@@ -115,6 +115,11 @@
 		AST_LIST_UNLOCK(&aslist);
 
 		if (!x) {
+			/* If we don't sleep, this becomes a busy loop, which causes
+			 * problems when Asterisk runs at a different priority than other
+			 * user processes.  As long as we check for new channels at least
+			 * once every 10ms, we should be fine. */
+			usleep(10000);
 			continue;
 		}