From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 161B7423A78 for ; Wed, 1 Jul 2026 15:09:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782918559; cv=none; b=oqoywGufpCHzT865CdO3yVML0IalFLrjeWD6DYBLCS0zIyUBDi1tNRGdRqA9NUEwnhHbTQhBAJoSMfabEDq02QOmbMqlK+YnlDEZCFA4mcEQFm8lpysrBbARJVJSjc0aQYWQW0hiGYa+V2WbKavR2dG/O47QyzMflHzZzg8xidM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782918559; c=relaxed/simple; bh=tUhbqP/DU1xPpF4wqNoexxMOosLjOYJwC7VRnXVHvzs=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=g7VuCs9fSIKDnNvbNuLDNaaHR7gG00kPeSJC+NGx5ighdDXfIdmGA5Zlck2JCgA/MLAMfu4Vw3co/8w+Qw5GpBVdzeTIOrs3PoC24pCChu/A7s3mBsWwZvhRppkLEWCRYTn8kIclRbcbynPym8diTs32xGAIVaMVTlVerb7Dnsw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qsckfCG2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qsckfCG2" Received: by smtp.kernel.org (Postfix) with ESMTPS id 6F3F8C2BCC9 for ; Wed, 1 Jul 2026 15:09:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1782918558; bh=tUhbqP/DU1xPpF4wqNoexxMOosLjOYJwC7VRnXVHvzs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=qsckfCG2hLr4V5PxwVWLurrm6pqljz8qPX2L0V4SvrOV/CXvoYwcjrPJYkiZGlPu2 SO88F6D0A+R97dCLWzd7bWvdg/G6FYFmiAQ4b5vDtRrml0CfkItddZ+hln9xMaoCfE ZW5rzQS2N7gjE1/b9zLlcued+DDF+4CpBeXvxwem/T1Qnkbb5tWzkNsaxbnvKqk0WC n2+QQ5V9uujHt6U9XU3PjBVTB/JBMwPS8ufAfe99y42ANrMYnx7i9vcCUDG7WY2WqB jsoeVr7rurpgcB/OxnT3jVY4YVOCRmfWO5WxDDK5XPpQvzBr+mvMfe0Ce49ip3lxWl +tLcoeaNsZ8kQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 5DC6DC53BBF; Wed, 1 Jul 2026 15:09:18 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-bluetooth@vger.kernel.org Subject: [Bug 220564] hci0: ACL packet for unknown connection handle 3837 and sound interruption Date: Wed, 01 Jul 2026 15:09:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Drivers X-Bugzilla-Component: Bluetooth X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: robhogan@gmail.com X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-bluetooth@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D220564 --- 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-reconnecti= on 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_fail= ed() 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_c= b() Jul 1 16:02:08 mwenge bluetoothd[760091]: profiles/audio/avdtp.c:avdtp_ref= () 0x5c5568690930: ref=3D3 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: STREAMIN= G -> 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] 390.03= 6978 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 .?.......=3D...... 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 .....;.....=20=20= =20=20=20 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. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=