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Thread Closed 
Problem: Failed to open "ALSA Default" (alsa); Failed to open ALSA device "_audioout": No such
#16
(09-28-2021, 05:00 AM)radu- Wrote: Looks like I've been to quick to dismiss this. On my Pi3 it worked like I described, but on my Zero I get the same issue. Here's my log:

Code:
$ moodeutl -l
20210928 075516 worker: -- Start
20210928 075516 worker: Successfully daemonized
20210928 075518 worker: Integrity check (passed)
20210928 075525 worker: File check (OK)
20210928 075528 worker: Session vacuumed
20210928 075528 worker: Session loaded
20210928 075528 worker: Debug logging (OFF)
20210928 075528 worker: -- Audio debug
20210928 075528 worker: ALSA cards: (0:sndrpihifiberry | 1:empty | 2:empty | 3:empty
20210928 075528 worker: MPD config: (0:HiFiBerry DAC/DAC+ Zero | mixer:(none) | card:0)
20210928 075529 worker: ALSA mixer actual (PCM)
20210928 075529 worker: ALSA PCM volume set to (amixer: Unable to find simple control 'PCM',0)
20210928 075529 worker: -- System
20210928 075558 worker: Host     (dormi)
20210928 075559 worker: moOde    (7.4.0 2021-09-24)
20210928 075559 worker: RaspiOS  (10.6)
20210928 075559 worker: Kernel   (5.4.77+ #1371)
20210928 075559 worker: Platform (Pi-Zero W 1.1 512MB)
20210928 075559 worker: ARM arch (armv6l, 32-bit kernel)
20210928 075559 worker: MPD ver  (0.22.11_p0x3)
20210928 075559 worker: CPU gov  (ondemand)
20210928 075559 worker: USB boot not available
20210928 075559 worker: File system expanded
20210928 075559 worker: HDMI port off
20210928 075559 worker: -- Network
20210928 075559 worker: eth0 does not exist
20210928 075559 worker: eth0 address not assigned
20210928 075559 worker: wlan0 exists
20210928 075559 worker: wifi country (RO)
20210928 075559 worker: wlan0 trying SSID (AddamsFamily24)
20210928 075559 worker: IP addr (10.11.12.106)
20210928 075600 worker: Netmask (255.255.255.0)
20210928 075600 worker: Gateway (10.11.12.1)
20210928 075600 worker: Pri DNS (10.11.12.1)
20210928 075600 worker: Domain  (10.11.12.77)
20210928 075600 worker: Pi integrated wlan0 power save disabled
20210928 075600 worker: -- Audio config
20210928 075600 worker: MPD conf update skipped
20210928 075600 worker: ALSA card number (0)
20210928 075604 worker: MPD audio output (snd_rpi_hifiberry_dac)
20210928 075605 worker: Audio formats (S16_LE, S24_LE, S32_LE)
20210928 075605 worker: ALSA mixer name (none)
20210928 075605 worker: MPD mixer type (software)
20210928 075605 worker: Hdwr volume controller not detected
20210928 075605 worker: ALSA output mode (Default: plughw)
20210928 075605 worker: ALSA loopback (Off)
20210928 075605 worker: Reset renderer active flags
20210928 075605 worker: CamillaDSP (off)
20210928 075605 worker: -- MPD startup
20210928 075605 worker: MPD started
20210928 075605 worker: MPD accepting connections
20210928 075606 worker: MPD output 1 ALSA Default (on)
20210928 075606 worker: MPD output 2 ALSA Bluetooth (off)
20210928 075606 worker: MPD output 3 HTTP Server (off)
20210928 075606 worker: MPD crossfade (off)
20210928 075606 worker: MPD ignore CUE files (yes)
20210928 075606 worker: -- Feature availability
20210928 075606 worker: Source select (available)
20210928 075606 worker: Source select (source: MPD)
20210928 075606 worker: Source select (output: snd_rpi_hifiberry_dac)
20210928 075606 worker: Bluetooth (available)
20210928 075606 worker: Airplay renderer (available)
20210928 075606 worker: Spotify renderer (available: started)
20210928 075606 worker: Squeezelite (available: started)
20210928 075606 worker: RoonBridge renderer (not installed)
20210928 075606 worker: Multiroom sender (available)
20210928 075606 worker: Multiroom receiver (available)
20210928 075606 worker: UPnP renderer (available)
20210928 075606 worker: DLNA server (available)
20210928 075606 worker: UPnP browser (available)
20210928 075606 worker: GPIO button handler (available)
20210928 075606 worker: Stream recorder (n/a)
20210928 075606 worker: -- Music sources
20210928 075607 worker: USB sources (none attached)
20210928 075609 worker: NAS and UPnP sources (mountall initiated)
20210928 075609 worker: -- Other
20210928 075609 worker: USB volume knob (Off)
20210928 075609 worker: USB auto-mounter (udisks-glue)
20210928 075609 worker: LED0 (On)
20210928 075609 worker: LED1 (sysclass does not exist)
20210928 075609 worker: Saved MPD vol level (0)
20210928 075609 worker: Preamp volume level (0)
20210928 075609 worker: MPD volume level (0) restored
20210928 075609 worker: ALSA volume level (None)
20210928 075609 worker: Auto-play (Off)
20210928 075609 worker: Maintenance interval (3 hours)
20210928 075609 worker: Screen saver activation (60)
20210928 075609 worker: Session permissions (OK)
20210928 075610 worker: Watchdog started
20210928 075610 worker: Ready
20210928 075711 sendEngCmd(): File open failed, UI has never been started


I just saw that now the UI doesn't start. I'll reboot and see what happens.

There are some issues in the log for example entries 1 and 2 below are inconsistent with one another.

1) This message indicates MPD was configured for an I2S device previously configured by name in Audio Config
Code:
20210928 075528 worker: MPD config: (0:HiFiBerry DAC/DAC+ Zero | mixer:(none) | card:0)

2) This message should list "HiFiBerry DAC/DAC+ Zero" but instead lists the DT overlay
Code:
20210928 075604 worker: MPD audio output (snd_rpi_hifiberry_dac)

3) This message indicates Squeezelite started. It will hog the audio output by default unless it can communicate with LMS to get its On/Off state. Hogging the audio output will cause MPD to print errors if it tries to open it to play something.
Code:
20210928 075606 worker: Squeezelite (available: started)

4) This message is printed when a renderer is running but the UI has never been opened (started) in the Browser. 
Code:
20210928 075711 sendEngCmd(): File open failed, UI has never been started
Enjoy the Music!
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Messages In This Thread
RE: Failed to open "ALSA Default" (alsa); Failed to open ALSA device "_audioout": No such - by Tim Curtis - 09-28-2021, 11:16 AM

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