Bug#714293: pulseaudio: Some applications fail when in system mode

[Felipe Sateler]

Hi John,

On Thu, Jun 27, 2013 at 11:01:56AM -0500, John McMonagle wrote:
> Package: pulseaudio
> Version: 2.0-6.1
> Severity: important
> 
> Using pulsaudio in ltsp.
> I'm upgrading the ltsp-client to wheezy from squeeze.
> Under squeeze it worked fine. squeeze uses  pulseaudio 0.9.21-3+squeeze1.
> 
> This is the code that starts pulseaudio on the clent:
> ............................
>                PULSE_DETECT=module-udev-detect
>                 PULSE_VOLUME_RESTORE=module-stream-restore
>                 /usr/bin/pulseaudio --system \
>                 --exit-idle-time=-1 \
>                 --disable-shm \
>                 --no-cpu-limit \
>                 --resample-method=trivial \
>                 --high-priority \
>                 --log-target=syslog \
>                 -L $PULSE_DETECT \
>                 -L "module-native-protocol-tcp auth-anonymous=1" \
>                 -L $PULSE_VOLUME_RESTORE \
>                 -L module-rescue-streams \
>                 -L "module-native-protocol-unix auth-anonymous=1" \
>                 -n &
> .....................................
> 
> Some applications work:
> paplay
> mplayer
> dragon
> 
> The following fail:
> vlc
> kde system sounds.
> 
> When it fails pactl list   will show the source as SUSPENDED.
> >>From that point nothing works.

Does this mean that after the first failure no more audio comes out?

Would you please attach the output of:

Adding the -vvvv flag to pulseaudio exec line (change the log target to
file:/tmp/something to get the log)

The output of pactl list



> 
> If I kill pulseaudio and start pulseaudio in user mode all aplications works.
> 
> Is this an inherent limitation in system mode or a bug?

Looks like a bug, yes.

> 
> I have tested this betwwen 2 wheezy boxes using the script above to start pulseaudio and have the same issues.

Lets try to figure this one out. By the way, do you really need system
mode? I'm not quite sure what ltsp is, but I suspect that is why you
want system mode?


-- 
Saludos,
Felipe Sateler