diff -Nur libjingle0.3-0.3.11/talk/p2p/base/p2psocket.cc libjingle0.3-0.3.11.new/talk/p2p/base/p2psocket.cc
--- libjingle0.3-0.3.11/talk/p2p/base/p2psocket.cc	2007-04-25 16:45:58.000000000 +0100
+++ libjingle0.3-0.3.11.new/talk/p2p/base/p2psocket.cc	2007-05-01 16:53:55.000000000 +0100
@@ -477,8 +477,12 @@
   }
   int sent = best_connection_->Send(data, len);
   if (sent <= 0) {
-    assert(sent < 0);
     error_ = best_connection_->GetError();
+
+    if (error_ == EWOULDBLOCK) {
+      // This means the best_connection_ is not writable, let's resort
+      RequestSort();
+    }
   }
   return sent;
 }