[pulseaudio-discuss] How to close a session?

[Haug Bürger]

Colin Guthrie schrieb:
> 'Twas brillig, and Haug Bürger at 12/12/10 10:59 did gyre and gimble:
>   
>> The leatest Ubuntu has a serious security bug caused by pulseaudio. If
>> you configure pammount to mount a crypted home directory it is not able
>> to unmount it because pulseaudio has files in use (.pulse/*). You can
>> not even kill the daemon because it is set to user session.
>>
>> So, how can you stop the pulseaudio user session? In the hope that this
>> releases the files.
>>
>> Is it really necessary for the deamon to lock the files that you can not
>> unmount or is this a bug?
>>     
>
> It's quite deliberate. PA has a timeout that prevents it from closing
> immediate. This means that if PA autospawns, it will stick around for a
> little while in case it's needed again (while startup is fairly quick,
> we do have to probe the hardware so it does take time). This is
> primarily for console applications rather than X11 however, as under X11
> a Session Manager module is loaded which keeps PA alive for the duration
> of the X session.
>
> You can make a change in daemon.conf to set exit-idle-time to 0. This
> should allow PA to exit when the X11 session exits.
>   
This doesn't work. Probably because you might have another user session
with X11 active. This means PA is not closed and gdm can not close the
session properly.

I don't care if PA still runs but why does it lock files in my home
directory?

It is not even possible as root to shut down a user session. Gdm can not
even kill the user session. This makes PA a pain in the a...

So, how can you stop the pulseaudio user session?