Index: main/manager.c
===================================================================
--- main/manager.c	(revision 93948)
+++ main/manager.c	(working copy)
@@ -2265,6 +2265,13 @@
 	struct mansession *s = data;
 	int res;
 	
+	/* If the entire session occurs in a single context switch, then it's
+	 * possible to get an unsafe memory condition by free()ing the memory
+	 * before letting other threads run at least once.  This actually seems
+	 * like a workaround for a glibc bug.
+	 */
+	usleep(1);
+
 	astman_append(s, "Asterisk Call Manager/1.0\r\n");
 	for (;;) {
 		if ((res = do_message(s)) < 0)