On Mon, Apr 23, 2018 at 12:10:37PM +0530, Pierre Neidhardt wrote:
> 
> After a fresh boot, pulseaudio works just fine.  If I log out and log
> back again, I systematically get the following odd behaviour:
> 
> - When no sound is playing, I hear crackles.
> - Instead of one, two pulseaudio processes are running.
> - `pavucontrol' fails to start, claiming it cannot connect to the server.
> - Power consumption skyrockets.
> 
> If I kill all pulseaudio processes, it goes back to normal.  That is to
> say, until I log out and in again.
> 
> Can anyone reproduce?

I can't reproduce this. How are you starting Pulseaudio? Can you include
your config.scm?