On Fri, 20 Dec 2019 10:36:36 +0100, "R.Wieser" 
declaimed the following:

>
>On the first I did enable SPI, I2C and Bluetooth, and installed some
>packages.   Might bluetooth be causing problems perhaps ?   While pairing
>(with a smartphone) I did see something come by related to bluetooth audio
>...

 Possible... after all, if you are paired as an audio device (equivalent
of BlueTooth Speakers) it might be trying to route audio to the phone,
where it is expected that some player application renders it.

 I have BT turned off, but still get some stuff in dmesg

pi@rpi3bplus-1:~$ dmesg |grep -i audio
[    5.024244] bcm2835_audio soc:audio: card created with 8 channels
pi@rpi3bplus-1:~$ dmesg |grep -i blue
[   20.888319] Bluetooth: Core ver 2.22
[   20.888381] Bluetooth: HCI device and connection manager initialized
[   20.888397] Bluetooth: HCI socket layer initialized
[   20.888405] Bluetooth: L2CAP socket layer initialized
[   20.888425] Bluetooth: SCO socket layer initialized
[   20.952233] Bluetooth: HCI UART driver ver 2.3
[   20.952242] Bluetooth: HCI UART protocol H4 registered
[   20.952301] Bluetooth: HCI UART protocol Three-wire (H5) registered
[   20.952435] Bluetooth: HCI UART protocol Broadcom registered
[   21.719400] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   21.719417] Bluetooth: BNEP filters: protocol multicast
[   21.719466] Bluetooth: BNEP socket layer initialized
[   21.867592] Bluetooth: RFCOMM TTY layer initialized
[   21.867628] Bluetooth: RFCOMM socket layer initialized
[   21.867667] Bluetooth: RFCOMM ver 1.11
pi@rpi3bplus-1:~$

pi@rpi3bplus-1:~$ sudo apt search alsa |grep installed

WARNING: apt does not have a stable CLI interface. Use with caution in
scripts.

alsa-base/stable,now 1.0.27+1 all [installed,automatic]
alsa-utils/stable,now 1.1.8-2 armhf [installed]
bluealsa/testing,now 0.13 armhf [installed,automatic]
gstreamer0.10-alsa/testing,now 0.10.36-2 armhf [installed,automatic]
gstreamer1.0-alsa/stable,now 1.14.4-2 armhf [installed]
libasound2/testing,now 1.1.8-1+rpt1 armhf [installed,automatic]
libasound2-data/testing,now 1.1.8-1+rpt1 all [installed,automatic]
libavdevice58/testing,now 7:4.1.4-1+rpt1~deb10u1 armhf
[installed,automatic]
libgcrypt20/stable,now 1.8.4-5 armhf [installed]
libmikmod3/stable,now 3.3.11.1-4 armhf [installed,automatic]
libopenal1/stable,now 1:1.19.1-1 armhf [installed,automatic]
librtaudio6/stable,now 5.0.0~ds-3 armhf [installed,automatic]
librtmidi4/stable,now 3.0.0~ds1-2+b1 armhf [installed,automatic]
libsdl1.2debian/testing,now 1.2.15+dfsg2-4+rpt2 armhf [installed,automatic]
libsdl2-2.0-0/testing,now 2.0.9+dfsg1-1+rpt1 armhf [installed,automatic]
lxplug-volume/testing,now 0.18 armhf [installed,automatic]
sound-theme-freedesktop/stable,now 0.8-2 all [installed,automatic]
pi@rpi3bplus-1:~$


 No idea if installing alsa-tools and/or alsa-tools-gui provide anything
useful.


--
 Wulfraed                 Dennis Lee Bieber         AF6VN
 wlfraed@ix.netcom.com    http://wlfraed.microdiversity.freeddns.org/

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