[Bug 220564] hci0: ACL packet for unknown connection handle 3837 and sound interruption

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=220564

--- Comment #13 from Rob Hogan (robhogan@gmail.com) ---
I'm pretty sure it's the same issue. Extract from syslog below:

Jul  1 16:01:49 mwenge kernel: [439779.598878] Bluetooth: hci0: ACL packet for
unknown connection handle 3837
Jul  1 16:02:08 mwenge bluetoothd[760091]: src/adapter.c:dev_disconnected()
Device F0:EF:86:C3:50:D8 disconnected, reason 1
Jul  1 16:02:08 mwenge bluetoothd[760091]:
src/adapter.c:adapter_remove_connection()
Jul  1 16:02:08 mwenge bluetoothd[760091]: plugins/policy.c:disconnect_cb()
reason 1
Jul  1 16:02:08 mwenge bluetoothd[760091]: plugins/policy.c:disconnect_cb()
Device /org/bluez/hci0/dev_F0_EF_86_C3_50_D8 identified for auto-reconnection
Jul  1 16:02:08 mwenge bluetoothd[760091]:
plugins/policy.c:reconnect_set_timer() attempt 1/7 1 seconds
Jul  1 16:02:08 mwenge bluetoothd[760091]:
src/adapter.c:bonding_attempt_complete() hci0 bdaddr F0:EF:86:C3:50:D8 type 0
status 0xe
Jul  1 16:02:08 mwenge bluetoothd[760091]:
src/device.c:device_bonding_complete() bonding (nil) status 0x0e
Jul  1 16:02:08 mwenge bluetoothd[760091]: src/device.c:device_bonding_failed()
status 14
Jul  1 16:02:08 mwenge bluetoothd[760091]: src/adapter.c:resume_discovery()
Jul  1 16:02:08 mwenge bluetoothd[760091]: profiles/audio/avdtp.c:session_cb()
Jul  1 16:02:08 mwenge bluetoothd[760091]: profiles/audio/avdtp.c:avdtp_ref()
0x5c5568690930: ref=3
Jul  1 16:02:08 mwenge bluetoothd[760091]:
profiles/audio/avdtp.c:connection_lost() Disconnected from F0:EF:86:C3:50:D8
Jul  1 16:02:08 mwenge bluetoothd[760091]: profiles/audio/a2dp.c:abort_cfm()
Source 0x5c5568671120: Abort_Cfm
Jul  1 16:02:08 mwenge bluetoothd[760091]:
profiles/audio/avdtp.c:avdtp_sep_set_state() stream state changed: STREAMING ->
IDLE
Jul  1 16:02:08 mwenge bluetoothd[760091]:
profiles/audio/transport.c:media_transport_remove_owner() Transport
/org/bluez/hci0/dev_F0_EF_86_C3_50_D8/sep1/fd3 Owner :1.79


And here is the relevant handle entry in btmon:

> ACL Data RX: Handle 3837 flags 0x02 dlen 143         #33540 [hci0] 390.036978
      Channel: 515 len 139 [PSM 0 mode Basic (0x00)] {chan 65535}
        33 00 cb db 90 00 01 00 58 17 02 00 00 00 00 00  3.......X.......
        00 0e 81 00 00 00 00 00 00 01 00 00 00 00 00 00  ................
        00 2a 25 00 00 03 14 01 00 42 27 00 00 00 00 00  .*%......B'.....
        00 00 00 00 00 00 00 00 00 ca db 90 00 4a da 90  .............J..
        00 07 c4 50 00 00 00 20 00 00 40 f8 05 e1 7f 00  ...P... ..@.....
        00 3f 00 09 00 0d 00 00 00 3d 00 09 00 b6 00 00  .?.......=......
        00 02 00 20 00 05 00 00 00 01 00 09 00 00 00 09  ... ............
        00 0d 00 00 00 3b 00 09 00 1a 00 00 00 30 00 09  .....;.......0..
        00 0f 00 00 00 3b 00 09 00 0d 00                 .....;.....     


The full btmon log is too large to attach I think. Let me know if there's
something else I should be turning on to help debug.

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