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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    Audio Problem

    Scheduled Pinned Locked Moved Help and Support
    sound driver
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    • J
      Jan007
      last edited by

      I’am using an Raspberry 3 on a Samsung TV connected with HDMI. Today I updated the system and after that the sound doesn’t work.

      1v10: VolumeControl::init() - Failed to attach to default card!
      ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
      ALSA lib conf.:4241:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
      ALSA lib confmisc.c:392:(snd_func_conca) error evaluating strings
      ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
      ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
      ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
      ALSA lib conf.c:4270:(snd_config_expand) Evaluate error: No such file or directory
      ALSA lib pcm.c:2217:(snd_pcm_open_noupdate) Unknown PCM default
      1v10: AudioManager Error - Unable to open SDL audio: ALSA: Couldn't open audio device: No such file or directory

      I checked dtparam=audio=on in /boot/config.txt.... it’s on!

      Also the Sound in Kodi (under Ports) still works...

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      • J
        Jan007
        last edited by

        pi@retropie:~ $ speaker-test -c 2

        speaker-test 1.1.3

        Playback device is default
        Stream parameters are 48000Hz, S16_LE, 2 channels
        Using 16 octaves of pink noise
        ALSA lib confmisc.c:767:(parse_card) cannot find card '0'
        ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
        ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
        ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
        ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
        ALSA lib conf.c:4528:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
        ALSA lib conf.c:5007:(snd_config_expand) Evaluate error: No such file or directory
        ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM default
        Playback open error: -2,No such file or directory
        pi@retropie:~ $

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        • mituM
          mitu Global Moderator
          last edited by

          Do you have any configuration done for the ALSA - like a custom .asoundrc or /etc/asound.conf ? What's the output of aplay -L ?
          Also, add more details about your system, as requested in https://retropie.org.uk/forum/topic/3/read-this-first.

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          • J
            Jan007
            last edited by

            There is a audio problem with the current firmware. I downgraded to the last version, now it works again.

            mituM 1 Reply Last reply Reply Quote 0
            • mituM
              mitu Global Moderator @Jan007
              last edited by

              @Jan007 Do you have an RPI issue/forum link ?

              J 1 Reply Last reply Reply Quote 0
              • J
                Jan007 @mitu
                last edited by

                @mitu I did:

                Sudo apt update
                Sudo apt dist-upgrade
                Sudo rpi-update

                No other changes! After that the sound didn’t work. Now I did a downgrade with rpi-update and it works again...

                mituM 1 Reply Last reply Reply Quote 0
                • mituM
                  mitu Global Moderator @Jan007
                  last edited by

                  @Jan007 I see. rpi-update is not recommended as regular update method for quite some time - it's only useful to test the next kernel/firmware versions.

                  From https://github.com/Hexxeh/rpi-update:

                  Bug fixes and improvements will eventually make their way into new Raspbian releases and apt-get when they are considered sufficiently well tested.

                  A good reason for using this would be if you like to help with the testing effort, and are happy to risk breakages and submit bug reports. These testers are welcome.

                  Also if you are suffering from a bug in current firmware (perhaps as one of the reporters of the bug on github or forum) and a fix has been pushed out for testing, then using rpi-update is the right way to get the fix until it makes its way into new Raspbian images and apt-get.

                  Backing up before updating is always advisable.

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                  • Z
                    z3razerviper
                    last edited by z3razerviper

                    What is the regular recommended update method and how do I downgrade the current firmware. Sorry I am new to retropie.

                    mituM 1 Reply Last reply Reply Quote 0
                    • mituM
                      mitu Global Moderator @z3razerviper
                      last edited by

                      @z3razerviper The regular update method is through apt-get / apt - you'll have this option when you do run update from the RetroPie-Setup script (update the OS and the packages).
                      To go back from a rpi-update kernel/firmware to the stable version, just run

                      sudo apt-get install --reinstall raspberrypi-bootloader raspberrypi-kernel
                      
                      1 Reply Last reply Reply Quote 0
                      • Z
                        z3razerviper
                        last edited by

                        @mitu said in Audio Problem:

                        sudo apt-get install --reinstall raspberrypi-bootloader raspberrypi-kernel

                        Thank you :)

                        1 Reply Last reply Reply Quote 0
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