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    No sound after upgradiing to Kubuntu 20.04

    Hello,
    Around a month or so ago I upgraded from Kubuntu 19.10 to 20.04. I am not really sure - but, always updating operating/applications software to the latest level - all of a sudden sound doesn't function anymore within the browsers.
    Using the latest stable and snapshot versions of Vivaldi, Chrome and Firefox as browsers I cannot play any sound anymore on both the Chromium-based browsers (i.e. Chrome and Vivaldi). It DOES play o.k. on Firefox, or - for that matter in Skype and when playing mp4-files with vlc. Is anybody aware of this situation. Thanks for any hints.

    Below - the hardware connection of Audio...
    Regards
    H. Stoellinger

    (1) Connection of Sound Device: inxi -F returns...
    Audio: Device-1: Intel 82801I HD Audio driver: snd_hda_intel
    Sound Server: ALSA v: k5.4.0-29-generic

    (2) Sound is NOT blocked in any of the browsers
    (3) NO apps have disabled speaker?
    sudo alsactl init returned...
    Found hardware: "HDA-Intel" "Realtek ALC889" "HDA:10ec0889,104d3300,00100005 HDA:14f12c06,104d1700,00100000 HDA:10de0003,10de0101,00100000" "0x104d" "0x9040"
    Hardware is initialized using a generic method


    Regards
    H. Stoellinger

    #2
    Try below:

    On Terminal:
    kate /etc/modprobe.d/alsa-base.conf

    Add this line to the end of the file:
    options snd-hda-intel dmic_detect=0

    Save - Enter root password.
    ------
    Reboot system

    Comment


      #3
      Thanks for the quick answer! Unfortunately it didn't make any difference!
      Regards
      H. Stoellinger

      Comment


        #4
        I just helped a friend with this very same issue. Do you have Timidity installed by any chance? Because if so, it is blocking the system from using its built-in audio hardware. The solution is simple: either disable it or uninstall it with:

        Code:
        sudo apt purge timidity timidity-daemon
        I had also tried all the tips on this page, but they didn't work. They might work for you though.

        Comment


          #5
          Thanks a lot! Your post made me optimistic for altogether something like two minutes - until I saw that I have NOT got timidity installed. Also, I have already tried the tips on the page you suggested - to NO avail! The search must go on...
          Regards from Austria
          H. Stoellinger

          Comment


            #6
            It's either a driver issue or a configuration issue.
            sudo alsactl init returned...
            Found hardware: "HDA-Intel" "Realtek ALC889" "HDA:10ec0889,104d3300,00100005 HDA:14f12c06,104d1700,00100000 HDA:10de0003,10de0101,00100000" "0x104d" "0x9040"
            Hardware is initialized using a generic method
            So in a search for this problem, I found this on Ask Ubuntu which might be helpful. Also, have you installed PulseAudio Volume Control, which should show up in Muon or Synaptic, and is a very useful config tool.
            The next brick house on the left
            Intel i7 11th Gen | 16GB | 1TB | KDE Plasma 5.24.7 | Kubuntu 22.04.4 | 6.5.0-18-generic

            Comment


              #7
              Thanks a lot! It now works. I followed the suggestions in
              https://askubuntu.com/questions/1165...n-ubuntu-18-04
              In principle it meant removing/purging and reinstalling alsa-base and pulseaudio,then mv ~/.config/pulse ~/.config/pulse.bak and sudo reboot.
              Unfortunately the Audio section in my "Systems Settings" has vanished. I can help myself by running pavucontrol, but this is
              not ideal. Any idea how I can get the Miniprogram back to Systems Settings and the control bar?
              Thanks again!

              Comment


                #8
                That should be Phonon. Maybe one of the removal instructions somehow whacked it. Bummer ...

                Open a terminal and enter
                Code:
                apt policy phonon
                If anything comes back, post it here.
                The next brick house on the left
                Intel i7 11th Gen | 16GB | 1TB | KDE Plasma 5.24.7 | Kubuntu 22.04.4 | 6.5.0-18-generic

                Comment


                  #9
                  Hey congratulations! As for getting back Audio in System Settings, all I can do is suggest looking through /var/log/apt/history.log and see which packages were removed when you purged alsa-base and pulseaudio. If you can't spot it, post the results here.

                  Comment


                    #10
                    Thanks! Here comes the pertinent log... Imagining that it might have to do with plasma, I did an "apt install plasma-pa pavucontrol-qt". Audio is back in systems settings again! Heureka! I wonder whether I should also "re-install" some of the remaining packages - such as kubuntu-desktop? Any idea?
                    Start-Date: 2020-06-03 16:25:56
                    Commandline: apt remove alsa-base pulseaudio
                    Requested-By: hs (1000)
                    Remove: alsa-base:amd64 (1.0.25+dfsg-0ubuntu5), plasma-pa:amd64 (4:5.18.5-0ubuntu0.1), pulseaudio:amd64 (1:13.99.1-1ubuntu3.2), pavucontrol-qt:amd64 (0.14.1-1ubuntu2), kubuntu-desktop:amd64 (1.398), libcanberra-pulse:amd64 (0.30-7ubuntu1), pulseaudio-module-bluetooth:amd64 (1:13.99.1-1ubuntu3.2)
                    End-Date: 2020-06-03 16:26:44

                    Start-Date: 2020-06-03 16:27:16
                    Commandline: apt purge alsa-base pulseaudio
                    Requested-By: hs (1000)
                    Purge: alsa-base:amd64 (), pulseaudio:amd64 ()
                    End-Date: 2020-06-03 16:27:26

                    Start-Date: 2020-06-03 16:27:41
                    Commandline: apt install alsa-base pulseaudio
                    Requested-By: hs (1000)
                    Install: alsa-base:amd64 (1.0.25+dfsg-0ubuntu5), pulseaudio:amd64 (1:13.99.1-1ubuntu3.2)
                    End-Date: 2020-06-03 16:28:01
                    Last edited by hstoellinger; Jun 04, 2020, 01:48 AM.

                    Comment


                      #11
                      Unless you're having other specific issues, there is no need to re-install anything else. The kubuntu-desktop, is a meta-package used during install. It creates dependencies which which bring in all the required stuff for the desktop - once it has done it's job it's not needed anymore. At least that's my understanding.

                      Pretty much don't mess with success!
                      The next brick house on the left
                      Intel i7 11th Gen | 16GB | 1TB | KDE Plasma 5.24.7 | Kubuntu 22.04.4 | 6.5.0-18-generic

                      Comment


                        #12
                        Thanks again! Yes, as per "Don't change a winning team"!

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