diff -r 41300fa6a67c -r f7bc934e204c src/dbus/qdbusconnection.cpp
--- a/src/dbus/qdbusconnection.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/dbus/qdbusconnection.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -491,6 +491,12 @@
     its return value, which will be either of type
     QDBusMessage::ReplyMessage or QDBusMessage::ErrorMessage.
 
+    If no reply is received within \a timeout milliseconds, an automatic
+    error will be delivered indicating the expiration of the call.
+    The default \a timeout is -1, which will be replaced with an
+    implementation-defined value that is suitable for inter-process
+    communications (generally, 25 seconds).
+
     See the QDBusInterface::call() function for a more friendly way
     of placing calls.
 
@@ -526,9 +532,14 @@
     Sends the \a message over this connection and returns
     immediately. This function is suitable for method calls only. It
     returns an object of type QDBusPendingCall which can be used to
-    track the status of the reply. The \a timeout parameter is used to
-    determine when an auto-generated error reply may be emitted and is
-    also the upper limit for waiting in QDBusPendingCall::waitForFinished().
+    track the status of the reply.
+
+    If no reply is received within \a timeout milliseconds, an automatic
+    error will be delivered indicating the expiration of the call. The
+    default \a timeout is -1, which will be replaced with an
+    implementation-defined value that is suitable for inter-process
+    communications (generally, 25 seconds). This timeout is also the
+    upper limit for waiting in QDBusPendingCall::waitForFinished().
 
     See the QDBusInterface::asyncCall() function for a more friendly way
     of placing calls.
@@ -619,10 +630,8 @@
     if (interface.isEmpty() && name.isEmpty())
         return false;
 
-    QString owner = d->getNameOwner(service); // we don't care if the owner is empty
-                                              // it might get started later
     QDBusWriteLocker locker(ConnectAction, d);
-    return d->connectSignal(service, owner, path, interface, name, argumentMatch, signature, receiver, slot);
+    return d->connectSignal(service, path, interface, name, argumentMatch, signature, receiver, slot);
 }
 
 /*!