[pulseaudio-discuss] Help Need with loss of sound problem

[mycomp at tutanota.com]

Can anyone please help with a problem concerning the 
loss of sound in a Debian Jessie system.

Due to sound problems whereby sound was first okay, 
then lost,  then regained, then lost again when running vlc 
on a sound file and also when running YouTube, the following was 
done :-

Pulseaudio was installed on Friday and 

% dpkg -l | grep pulseaudio

gave 

ii pulseaudio 5.0-13 amd64 PulseAudio sound server
ii pulseaudio-module-x11 5.0-13 amd64 X11 module for PulseAudio sound server
ii pulseaudio-utils 5.0-13 amd64 Command line tools for the PulseAudio sound server

% aplay -l

gave 

**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC887-VD Analog [ALC887-VD Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 1: ALC887-VD Digital [ALC887-VD Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0

Jessie was then re-booted and the sound then re-appeared.

Also

% ls /etc/pulse 

gave 

client.conf daemon.conf default.pa system.pa

and

% ls ~/.pulse 

gave 

259df95a2b75426bb6ef25f372b08be2-card-database.tdb
259df95a2b75426bb6ef25f372b08be2-device-volumes.tdb
259df95a2b75426bb6ef25f372b08be2-runtime@
259df95a2b75426bb6ef25f372b08be2-stream-volumes.tdb
3e0b1f6422592f67f9f012034c3323d0-card-database.tdb
3e0b1f6422592f67f9f012034c3323d0-default-sink
3e0b1f6422592f67f9f012034c3323d0-default-source
3e0b1f6422592f67f9f012034c3323d0-device-volumes.tdb
3e0b1f6422592f67f9f012034c3323d0-runtime@
3e0b1f6422592f67f9f012034c3323d0-stream-volumes.tdb

Vlc was used to run a test sound file (soundfile.wav) and that ran okay.

Sound also worked fine on YouTube.

However, the sound was then lost when trying to use vlc again on a sound file and also was not present when trying to use sound with a Web browser.

% vlc soundfile.wav

gave 

VLC media player 2.2.6 Umbrella (revision 2.2.6-0-g1aae78981c)
[0000000000971608] pulse audio output error: PulseAudio server connection failure: Connection refused
[0000000000899118] core libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
[0000000000971608] alsa audio output error: cannot open ALSA device "default": Device or resource busy
[0000000000971608] core audio output error: module not functional
[00007fcbdcc02b68] core decoder error: failed to create audio output

This behaviour (i.e. sound first working and then not working) 
is similar to what happened before the installation of pulseaudio on Friday.

So the cause of the loss of sound remains a mystery, I'm afraid.



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