On Tue, 2011-06-07 at 07:03 +0800, Zheng, Huan wrote: > If you reached here, thanks a lot for your patience, please give me some hints. All I can think of is that the session bus that Pulseaudio connects to at startup is not the same bus that is used for the actual user session. I don't know any very easy way to check that - I'd probably hack Pulseaudio code so that it prints the address of the session bus that it connected to, and comparing that against the address of the real session bus. -- Tanu