Re: No sound when connecting Sennheiser M2 AEBT for the first time since Fedora 35 upgrade

[Julian Sikorski <belegdol@xxxxxxxxx>]

Am 20.11.21 um 13:27 schrieb Julian Sikorski:
> Hello,
>
> since I upgraded to Fedora 35, am having the following issue with my 
> Sennheiser M2 AEBT headphones: upon first connection, the audio will not 
> play. I have to go to gnome-control-center, disconnect and reconnect the 
> headset, then audio plays normally. The following can be found in the log:
>
> Nov 20 12:48:34 snowball3 kernel: input: MOMENTUM M2 AEBT (AVRCP) as 
> /devices/virtual/input/input19
>
> Nov 20 12:48:35 snowball3 bluetoothd[10741]: 
> src/service.c:btd_service_connect() a2dp-sink profile connect failed for 
> 00:1B:66:81:8D:76: Device or resource busy
>
> Nov 20 12:48:35 snowball3 bluetoothd[10741]: 
> profiles/audio/avdtp.c:avdtp_parse_rej() OPEN request rejected: Bad 
> State (49)
>
> Nov 20 12:48:35 snowball3 wireplumber[1924]: failed to switch codec 
> (-19), setting fallback profile
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: Transport Acquire() failed 
> for transport /org/bluez/hci0/dev_00_1B_66_81_8D_76/sep1/fd3 (Did not 
> receive a reply. Possible causes include: the remote application did not 
> send a reply, the message bus security policy blocked the reply, the 
> reply timeout expired, or the network connection was broken.)
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: 0x561f089d5bf8: can't send 
> command 2: Eingabe-/Ausgabefehler
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: 
> (bluez_output.00_1B_66_81_8D_76.a2dp-sink-18) suspended -> error (Start 
> error: Eingabe-/Ausgabefehler)
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: unknown AT+IPHONEACCEV 
> key:2 value:0
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: Transport Acquire() failed 
> for transport /org/bluez/hci0/dev_00_1B_66_81_8D_76/sep1/fd3 (Operation 
> Not Authorized)
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: 0x561f089d5bf8: can't send 
> command 2: Eingabe-/Ausgabefehler
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: Transport Acquire() failed 
> for transport /org/bluez/hci0/dev_00_1B_66_81_8D_76/sep1/fd3 (Operation 
> Not Authorized)
>
> Nov 20 12:49:00 snowball3 wireplumber[1924]: 0x561f089d5bf8: can't send 
> command 2: Eingabe-/Ausgabefehler
>
> Nov 20 12:49:23 snowball3 kernel: Bluetooth: hci0: Ignoring error of 
> Inquiry Cancel command
>
> Nov 20 12:49:24 snowball3 bluetoothd[10741]: 
> /org/bluez/hci0/dev_00_1B_66_81_8D_76/sep1/fd4: fd(42) ready
>
> Nov 20 12:49:24 snowball3 wireplumber[1924]: set volume 94 failed for 
> transport /org/bluez/hci0/dev_00_1B_66_81_8D_76/sep1/fd4 (No such 
> property 'Volume')
>
> Nov 20 12:49:24 snowball3 kernel: input: MOMENTUM M2 AEBT (AVRCP) as 
> /devices/virtual/input/input20
>
> Nov 20 12:49:29 snowball3 wireplumber[1924]: unknown AT+IPHONEACCEV 
> key:2 value:0
>
> Nov 20 12:56:34 snowball3 wireplumber[1924]: 
> <WpDefaultProfile:0x561f0874c260> failed to get current profile on 
> device: pipewire proxy destroyed before finishing
>
> Nov 20 12:56:34 snowball3 bluetoothd[10741]: 
> src/profile.c:ext_io_disconnected() Unable to get io data for Hands-Free 
> Voice gateway: getpeername: Transport endpoint is not connected (107)
>
>
>
> I am not sure whether this is a bluetooth, pipewire, wireplumber or 
> firefox issue. It happens when I try to play a youtube video on firefox 
> via the headphones.
>
> Best regards,
> Julian

I managed to capture the btmon log, please see attached.

Best regards,
Julian

btsnoop
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