Raspberry

The problem: Nov 20 12:26:17 raspberrypi bluealsa[554]: /usr/bin/bluealsa: BT socket write error: Resource temporarily unavailable

Anker Bluetooth:

pi@raspberrypi:~ $ hcitool dev
Devices:
hci0 B8:27:EB:E2:6A:19
pi@raspberrypi:~ $ info B8:27:EB:E2:6A:19
pi@raspberrypi:~ $ bluetoothctl
[NEW] Controller B8:27:EB:E2:6A:19 raspberrypi [default]
[NEW] Device FC:58:FA:C4:68:8B Anker A7910
[Anker A7910]# devices
Device FC:58:FA:C4:68:8B Anker A7910
[Anker A7910]# power on
Changing power on succeeded
[Anker A7910]# pairable on
Changing pairable on succeeded
[Anker A7910]# discoverable on
Failed to set discoverable on: org.bluez.Error.Failed
[Anker A7910]# devices
Device FC:58:FA:C4:68:8B Anker A7910
[Anker A7910]# paired-devices
Device FC:58:FA:C4:68:8B Anker A7910
[Anker A7910]# agent on
Agent registered
[Anker A7910]# default-agent
Default agent request successful
[Anker A7910]# trust FC:58:FA:C4:68:8B
Changing FC:58:FA:C4:68:8B trust succeeded
[Anker A7910]# pair FC:58:FA:C4:68:8B
Attempting to pair with FC:58:FA:C4:68:8B
Failed to pair: org.bluez.Error.AlreadyExists
[Anker A7910]# paired-devices
Device FC:58:FA:C4:68:8B Anker A7910
[Anker A7910]# connect FC:58:FA:C4:68:8B
Attempting to connect to FC:58:FA:C4:68:8B
Connection successful
[Anker A7910]# exit
Agent unregistered
[DEL] Controller B8:27:EB:E2:6A:19 raspberrypi [default]
pi@raspberrypi:~ $ alsamixer (set volume to 85% - normal)
-bash: syntax error near unexpected token `set'
pi@raspberrypi:~ $ alsamixer
pi@raspberrypi:~ $ alsamixer
pi@raspberrypi:~ $ sudo apt-get install omx
pi@raspberrypi:~ $ sudo reboot

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