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Troubleshooting • Re: Bookworm, KMS, and Headless Audio

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No solutions - I got the same error on a Pi4 (2GB) running Bookworm 32-bit with desktop, booting to command line, no monitor attached.

Code:

aplay: main:831: audio open error: Unknown error 524
A powered speaker was attached to the 3.5mm jack.

Update: edit /etc/asound.conf

Code:

defaults.pcm.card 2defaults.ctl.card 2
2 is "Headphones" on the pi
We now get sound on boot.

and when we log in rcl.log file has

Code:

Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono

Statistics: Posted by neilgl — Fri Aug 16, 2024 5:26 pm



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