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Unfortunately suddenly my XBMCbuntu lost it's sound output by HDMI. Analog audio is working. Alsamixer shows that all levels are up. Any idea?
No ... you failed to read: "What should I do before posting".

Hint: Debug Log required.
Quote:Starting XBMC (13.0 Git:d420b5c). Platform: x86 Linux 32-bit

13.2 is stable...update and upgrade, then provide a new log please

disable VAAPI....you donĀ“t need it, because you are on NVidia...VAAPI is for Intel. Enable VDPAU for hardware acceleration
How to upgrade XBMCbuntu? Interesting is that all settings are correct and it does not matter wheter I choose analog or hdmi output. Not in XBMC and neither in system settings. My Galaxy Tab 3 game edition works pretty well via HDMI on my Syncmaster.

Imho this happened after I upgraded the OS to 14.04 LTS. There seems to be an incompatibilty with XBMCbuntu. I could reinstall it but am fearing to kill my home directory that resides on an 1 TB HD, whereas system and software are running on a SSD.
Update and upgrade

first:
Code:
sudo apt-get update
then:
Code:
sudo apt-get upgrade
Looks like ALSA is all funky !! "Output Device : Device not found" is why there is no sound, but "trying to open device ALSA:@" looks wrong to me.

What is the output of aplay-L ?
PulseAudio (wiki)
I am a sysadmin for 17 years. btw. I would not ask if I already had found a solution.

tjm@xbmc:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: 92HD81B1X5 Analog [92HD81B1X5 Analog]
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

It's just HDMI that finished sending sound.
Read again what wsnipex linked you.

You don't have a ALSA problem, but a pulseaudio one.

If you do sysadministrating for 17 years, you are able to read one wiki page, right?
@wsnipex It's using ALSA, not PulseAudio.
Quote:13:23:46 T:3002525504 NOTICE: Enumerated PULSE devices:
13:23:46 T:3002525504 NOTICE: Device 1
13:23:46 T:3002525504 NOTICE: m_deviceName : Default
13:23:46 T:3002525504 NOTICE: m_displayName : Default
13:23:46 T:3002525504 NOTICE: m_displayNameExtra: Default Output Device (PULSEAUDIO)
13:23:46 T:3002525504 NOTICE: m_deviceType : AE_DEVTYPE_PCM
13:23:46 T:3002525504 NOTICE: m_channels : FL,FR
13:23:46 T:3002525504 NOTICE: m_sampleRates : 5512,8000,11025,16000,22050,32000,44100,48000,64000,88200,96000,176400,192000,384000
13:23:46 T:3002525504 NOTICE: m_dataFormats : AE_FMT_U8,AE_FMT_S16LE,AE_FMT_S16BE,AE_FMT_S16NE,AE_FMT_S24LE3,AE_FMT_S24BE3,AE_FMT_S24NE3,AE_FMT_S24LE4,AE_FMT_S24BE4,AE_FMT_S24NE4,AE_FMT_S32BE,AE_FMT_S32LE,AE_FMT_S32NE,AE_FMT_FLOAT
13:23:46 T:3002525504 NOTICE: Device 2
13:23:46 T:3002525504 NOTICE: m_deviceName : alsa_output.pci-0000_00_1b.0.analog-stereo
13:23:46 T:3002525504 NOTICE: m_displayName : Built-in Audio Analog Stereo
13:23:46 T:3002525504 NOTICE: m_displayNameExtra: Headphones (PULSEAUDIO)
13:23:46 T:3002525504 NOTICE: m_deviceType : AE_DEVTYPE_PCM
13:23:46 T:3002525504 NOTICE: m_channels : FL,FR
13:23:46 T:3002525504 NOTICE: m_sampleRates : 5512,8000,11025,16000,22050,32000,44100,48000,64000,88200,96000,176400,192000,384000
13:23:46 T:3002525504 NOTICE: m_dataFormats : AE_FMT_U8,AE_FMT_S16LE,AE_FMT_S16BE,AE_FMT_S16NE,AE_FMT_S24LE3,AE_FMT_S24BE3,AE_FMT_S24NE3,AE_FMT_S24LE4,AE_FMT_S24BE4,AE_FMT_S24NE4,AE_FMT_S32BE,AE_FMT_S32LE,AE_FMT_S32NE,AE_FMT_FLOAT
13:23:46 T:3002525504 NOTICE: Device 3
13:23:46 T:3002525504 NOTICE: m_deviceName : alsa_output.pci-0000_01_00.1.hdmi-stereo
13:23:46 T:3002525504 NOTICE: m_displayName : High Definition Audio Controller Digital Stereo (HDMI)
13:23:46 T:3002525504 NOTICE: m_displayNameExtra: HDMI / DisplayPort (PULSEAUDIO)
13:23:46 T:3002525504 NOTICE: m_deviceType : AE_DEVTYPE_PCM
13:23:46 T:3002525504 NOTICE: m_channels : FL,FR
13:23:46 T:3002525504 NOTICE: m_sampleRates : 5512,8000,11025,16000,22050,32000,44100,48000,64000,88200,96000,176400,192000,384000
13:23:46 T:3002525504 NOTICE: m_dataFormats : AE_FMT_U8,AE_FMT_S16LE,AE_FMT_S16BE,AE_FMT_S16NE,AE_FMT_S24LE3,AE_FMT_S24BE3,AE_FMT_S24NE3,AE_FMT_S24LE4,AE_FMT_S24BE4,AE_FMT_S24NE4,AE_FMT_S32BE,AE_FMT_S32LE,AE_FMT_S32NE,AE_FMT_FLOAT

13:23:46 T:3002525504 NOTICE: Enumerated PULSE devices
m_displayNameExtra: Default Output Device (PULSEAUDIO)
m_displayNameExtra: Headphones (PULSEAUDIO)
m_displayNameExtra: HDMI / DisplayPort (PULSEAUDIO)
Hey "sysadmin"...what's the matter? Speechless?

If not, we still wait for the log Wink
I already posted the log. And ALSA is the default in XBMCbuntu (Frodo). Pulseaudio is not used.
you seem really resistant against advise and prove that you are wrong. Read your own log again, read what fritsch wrote.
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