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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

    Amiberry Audio not working on Bullseye 64 bit Pi4 KMS

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    amiberry hdmi audio sound bullseye
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    • S
      shadoom
      last edited by shadoom

      I know neither 64 bit nor Bullseye are supported. I do not expect "official" support.

      I'm just wondering if anyone has Amiberry running with sound on a Pi4 Bullseye 64bit with KMS. On FKMS the audio works flawless, but on KMS it only outputs audio on the headphone jack. Whenever I select HDMI sound in Amiberry this error gets spammed:

      ALSA lib pcm.c:8545:(snd_pcm_recover) underrun occurred

      in Amiberry I have these 3 sound options:

      SDL2: bcm2835 Headphones, bcm2835 Headphones
SDL2: vc4-hdmi-0, MAI PCM i2s-hifi-0
SDL2: vc4-hdmi-1, MAI PCM i2s-hifi-0

      but both HDMIs don't work and amiberry automatically disables the sound for them

      edit: SDL2 2.0.20 seems to be the problem, as soon as I removed the custom SDL2 and installed the packages in raspbian os (libsdl2-2.0-0 and libsdl2-image-2.0-0 libsdl2-ttf-2.0-0) amiberry and hdmi audio works fine in it.

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