diff -uprN pulseaudio-1.1.orig/src/pulsecore/rtpoll.c pulseaudio-1.1/src/pulsecore/rtpoll.c
--- pulseaudio-1.1.orig/src/pulsecore/rtpoll.c	2011-10-20 13:54:17.000000000 +0100
+++ pulseaudio-1.1/src/pulsecore/rtpoll.c	2012-09-12 11:37:25.219539934 +0100
@@ -291,6 +291,8 @@ int pa_rtpoll_run(pa_rtpoll *p, pa_bool_
 
         if (pa_timeval_cmp(&p->next_elapse, &now) > 0)
             pa_timeval_add(&timeout, pa_timeval_diff(&p->next_elapse, &now));
+        if (timeout.tv_sec == 0 && timeout.tv_usec == 0)
+            timeout.tv_usec = 1;
     }
 
 #ifdef DEBUG_TIMING