--- pbx/pbx_wilcalu.c.orig Tue Apr 26 10:00:28 2005
+++ pbx/pbx_wilcalu.c Tue Apr 26 10:03:42 2005
@@ -82,6 +82,11 @@
                fds[0].events = POLLIN;
                poll(fds, 1, -1);
                bytes=read(fd,buf,256);
+ if (bytes <= 0) {
+ /* XXX error on device, sleep a bit before retrying */
+ sleep(1);
+ continue;
+ }
                buf[(int)bytes]=0;
 
                if(bytes>0){