I have just installed pulse audio on my laptop, however I can not start it. Here is output when I run command pulseaudio -v
................
E: [pulseaudio] core-util.c: lock: Permission denied
E: [pulseaudio] core-util.c: lock: Permission denied
E: [pulseaudio] main.c: pa_pid_file_create() failed.
please help me, thanks very much
p/s: I wonder what core-util.c want to lock and unlock here.