ALSA bug

[avassdal]

Describe the problem Audio not working at all on RPi 4B.

ALSA reporting: ALSA woke us up to write new data to the device, but there was actually nothing to write.

Using headphone jack as output.

To Reproduce Steps to reproduce the behavior: Clean install of BalenaOS with BalenaSound deployed from Balena Hub

Device information

• Board (hardware info): Raspberry Pi 4B 1.1
• Device type (as seen in balenaCloud): Raspberry Pi 4 (using 64bit OS)
• balenaOS version: balenaOS 2.113.18

Additional context Logs:

23.03.23 07:34:24 (+0100) Supervisor starting 23.03.23 07:33:46 (+0100) audio
23.03.23 07:33:46 (+0100) audio --- Audio --- 23.03.23 07:33:46 (+0100) audio Starting audio service with settings: 23.03.23 07:33:47 (+0100) audio - pulseaudio 15.0 23.03.23 07:33:47 (+0100) audio - Pulse log level: NOTICE 23.03.23 07:33:47 (+0100) audio - Default output: RPI_HEADPHONES 23.03.23 07:33:47 (+0100) audio - Default volume: 75% 23.03.23 07:33:47 (+0100) audio
23.03.23 07:33:47 (+0100) audio Detected audio cards: 23.03.23 07:33:47 (+0100) audio 0 bcm2835-jack bcm2835_headpho-bcm2835Headphones 23.03.23 07:33:47 (+0100) audio
23.03.23 07:33:47 (+0100) audio
23.03.23 07:34:19 (+0100) audio Setting audio routing rules... 23.03.23 07:34:19 (+0100) audio Routing 'balena-sound.input' to 'balena-sound.output'. 23.03.23 07:34:19 (+0100) audio Routing 'balena-sound.output' to 'alsa_output.bcm2835-jack.stereo-fallback'. 23.03.23 07:34:19 (+0100) audio W: [pulseaudio] main.c: This program is not intended to be run as root (unless --system is specified). 23.03.23 07:34:21 (+0100) audio W: [pulseaudio] module-loopback.c: Cannot set requested sink latency of 66.67 ms, adjusting to 99.95 ms 23.03.23 07:34:21 (+0100) audio W: [pulseaudio] server-lookup.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11 23.03.23 07:33:45 (+0100) spotify Starting Spotify plugin... 23.03.23 07:33:45 (+0100) spotify Device name: Streamer U-Etg 23.03.23 07:33:45 (+0100) spotify [2023-03-23T06:33:45Z INFO librespot] librespot 0.4.2 UNKNOWN (Built on 2022-08-01, Build ID: leSkOw9g, Profile: release) 23.03.23 07:33:45 (+0100) spotify [2023-03-23T06:33:45Z WARN librespot] Could not initialise discovery: Setting up dns-sd failed: No such device (os error 19). 23.03.23 07:33:45 (+0100) spotify [2023-03-23T06:33:45Z ERROR librespot] Discovery is unavailable and no credentials provided. Authentication is not possible. 23.03.23 07:33:49 (+0100) spotify Starting Spotify plugin... 23.03.23 07:33:49 (+0100) spotify Device name: Streamer U-Etg 23.03.23 07:33:49 (+0100) spotify [2023-03-23T06:33:49Z INFO librespot] librespot 0.4.2 UNKNOWN (Built on 2022-08-01, Build ID: leSkOw9g, Profile: release) 23.03.23 07:33:49 (+0100) sound-supervisor
23.03.23 07:33:49 (+0100) sound-supervisor > sound-supervisor@1.0.1 start /usr/src 23.03.23 07:33:49 (+0100) sound-supervisor > node build/index.js 23.03.23 07:33:49 (+0100) sound-supervisor
23.03.23 07:34:15 (+0100) sound-supervisor Sound supervisor listening on port 80 23.03.23 07:34:15 (+0100) sound-supervisor Error connecting to audio block - Retry failed: connect ECONNREFUSED 192.168.2.183:4317 23.03.23 07:34:16 (+0100) sound-supervisor Error connecting to audio block - Retry failed: connect ECONNREFUSED 192.168.2.183:4317 23.03.23 07:34:18 (+0100) sound-supervisor Error connecting to audio block - Retry failed: connect ECONNREFUSED 192.168.2.183:4317 23.03.23 07:34:22 (+0100) sound-supervisor Connected to PulseAudio at 192.168.2.183:4317 23.03.23 07:34:22 (+0100) sound-supervisor Server protocol version: 35 23.03.23 07:34:22 (+0100) sound-supervisor Client protocol version: 33 23.03.23 07:34:21 (+0100) audio W: [pulseaudio] main.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11 23.03.23 07:34:25 (+0100) audio E: [alsa-sink-bcm2835 Headphones] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write. 23.03.23 07:34:25 (+0100) audio E: [alsa-sink-bcm2835 Headphones] alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_bcm2835'. Please report this issue to the ALSA developers. 23.03.23 07:34:25 (+0100) audio E: [alsa-sink-bcm2835 Headphones] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.

[vescovd1]

same issue here. exact same set up. No audio. Please fix!

[vescovd1]

audio
audio --- Audio --- audio Starting audio service with settings: audio - pulseaudio 15.0 audio - Pulse log level: NOTICE audio - Default output: RPI_HEADPHONES audio - Default volume: 75% audio
audio Detected audio cards: audio 0 vc4hdmi0 vc4-hdmi-vc4-hdmi-0 audio 1 vc4hdmi1 vc4-hdmi-vc4-hdmi-1 audio
audio
audio WARNING: BCM2835 audio card not found, are you sure you are running on a Raspberry Pi? audio Setting audio routing rules... audio Routing 'balena-sound.input' to 'snapcast'. audio Routing 'balena-sound.output' to '0'. audio W: [pulseaudio] main.c: This program is not intended to be run as root (unless --system is specified). audio E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. audio E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="0" name="platform-fef00700.hdmi" card_name="alsa_card.platform-fef00700.hdmi" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=yes card_properties="module-udev-detect.discovered=1""): initialization failed. audio W: [pulseaudio] server-lookup.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11 audio W: [pulseaudio] main.c: Unable to contact D-Bus: org.freedesktop.DBus.Error.NotSupported: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11

[vescovd1]

fixed with https://forums.balena.io/t/raspberry-pi-4-no-3-5mm-sound-using-balenasound/356827