Bluetooth connection to car does not work. Music is not sent to car by time to time and I can't voice during a phone call

REPRODUCIBILITY: 100%
OS VERSION: 4.4.0.64
HARDWARE: Xperia 10 III
UI LANGUAGE: French
REGRESSION:

DESCRIPTION:

When connecting the XPERIA 10 III to my car (Ford SMAX) through bluetooth, I’m facing several problems.
First, by time to time, music is not sent to the car. It means that when playing a podcast with different apps (podQcast or Podcatcher), nothing can be heard. I have to swtich bluetoot off, on, restart the car to make it work. That’s not clear exactly what is going on.
In almost 100% of time, when someone calls me or I call someone, I cannot hear the speaker. People can hear me but I cannot.

That bluetooth profile is registered as car kit.

PRECONDITIONS:

STEPS TO REPRODUCE:

  1. Connect the Xperia to your car
  2. Try to play music from a podcast app
  3. Try to phone someone

EXPECTED RESULT:

I expect to hear the sound in my car :slight_smile:

ACTUAL RESULT:

When calling, I can"t hear anyone.
When playing a podcast, sometimes it works, not always

MODIFICATIONS:

Nothing.

ADDITIONAL INFORMATION:

Log from trial when playing podcast (it worked here …)

● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; disabled; vendor preset: enabled)
Active: active (running) since Mon 2022-06-27 21:09:33 CEST; 40min ago
Docs: man:bluetoothd(8)
Main PID: 5032 (bluetoothd)
Status: “Running”
Memory: 2.8M
CGroup: /system.slice/bluetooth.service
└─5032 /usr/libexec/bluetooth/bluetoothd -n
juin 27 21:50:02 Xperia10III bluetoothd[5032]: bluetoothd[5032]: /org/bluez/hci0/dev_10_08_2C_9C_77_03/sep1/fd0: fd(27) ready
juin 27 21:50:02 Xperia10III bluetoothd[5032]: /org/bluez/hci0/dev_10_08_2C_9C_77_03/sep1/fd0: fd(27) ready
juin 27 21:50:02 Xperia10III bluetoothd[5032]: bluetoothd[5032]: profiles/audio/avctp.c:uinput_create() Can’t open input device: No such file or directory (2)
juin 27 21:50:02 Xperia10III bluetoothd[5032]: bluetoothd[5032]: profiles/audio/avctp.c:init_uinput() AVRCP: failed to init uinput for Ford S-Max
juin 27 21:50:02 Xperia10III bluetoothd[5032]: profiles/audio/avctp.c:uinput_create() Can’t open input device: No such file or directory (2)
juin 27 21:50:02 Xperia10III bluetoothd[5032]: profiles/audio/avctp.c:init_uinput() AVRCP: failed to init uinput for Ford S-Max
Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

Log when trying to call my wife

● bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; disabled; vendor preset: enabled)
Active: active (running) since Mon 2022-06-27 21:09:33 CEST; 45min ago
Docs: man:bluetoothd(8)
Main PID: 5032 (bluetoothd)
Status: “Running”
Memory: 2.9M
CGroup: /system.slice/bluetooth.service
└─5032 /usr/libexec/bluetooth/bluetoothd -n
juin 27 21:53:51 Xperia10III bluetoothd[5032]: bluetoothd[5032]: /org/bluez/hci0/dev_10_08_2C_9C_77_03/sep1/fd1: fd(27) ready
juin 27 21:53:51 Xperia10III bluetoothd[5032]: /org/bluez/hci0/dev_10_08_2C_9C_77_03/sep1/fd1: fd(27) ready
juin 27 21:53:51 Xperia10III bluetoothd[5032]: bluetoothd[5032]: profiles/audio/avctp.c:uinput_create() Can’t open input device: No such file or directory (2)
juin 27 21:53:51 Xperia10III bluetoothd[5032]: bluetoothd[5032]: profiles/audio/avctp.c:init_uinput() AVRCP: failed to init uinput for Ford S-Max
juin 27 21:53:51 Xperia10III bluetoothd[5032]: profiles/audio/avctp.c:uinput_create() Can’t open input device: No such file or directory (2)
juin 27 21:53:51 Xperia10III bluetoothd[5032]: profiles/audio/avctp.c:init_uinput() AVRCP: failed to init uinput for Ford S-Max
juin 27 21:54:02 Xperia10III bluetoothd[5032]: bluetoothd[5032]: Player registered: sender=:1.102 path=/_1_144
juin 27 21:54:02 Xperia10III bluetoothd[5032]: Player registered: sender=:1.102 path=/_1_144
juin 27 21:54:08 Xperia10III bluetoothd[5032]: bluetoothd[5032]: Player unregistered: sender=:1.102 path=/_1_144
juin 27 21:54:08 Xperia10III bluetoothd[5032]: Player unregistered: sender=:1.102 path=/_1_144

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