I can still reproduce this issue on linux-image-7.0.0-14-generic with a
Shokz OpenComm2 headset.
Summary:
- Ubuntu 26.04 LTS (resolute)
- Kernel: 7.0.0-14-generic
- Hardware: Lenovo ThinkBook X G2 IAH / model 21TU
- Bluetooth controller: Intel USB Bluetooth, lsusb ID 8087:0037
- Headset: OpenComm2 by Shokz_II, Bluetooth MAC A0:0C:E2:6E:34:5D
- BlueZ: 5.85-4
- linux-firmware: 20260319.git217ca6e4.1ubuntu
- PipeWire: 1.6.2-1ubuntu1
- WirePlumber: 0.5.13-1ubuntu1
Observed behavior:
The headset connects, becomes visible as an AVRCP input device, then the
Bluetooth audio transport fails within a few seconds. After that bluetoothctl
shows the device as paired/bonded/trusted but not connected.
Recent reproduction from the journal:
May 04 14:41:35 book kernel: input: OpenComm2 by Shokz_II (AVRCP) as
/devices/virtual/input/input44
May 04 14:41:35 book systemd-logind[2752]: Watching system buttons on
/dev/input/event17 (OpenComm2 by Shokz_II (AVRCP))
May 04 14:41:43 book wireplumber[5288]: pw.node:
(bluez_input.A0_0C_E2_6E_34_5D.0-148) suspended -> error (Received error event)
May 04 14:41:43 book wireplumber[5288]: pw.node:
(bluez_output.A0_0C_E2_6E_34_5D.1-146) running -> error (Received error event)
May 04 14:41:43 book wireplumber[5288]: spa.bluez5: Failure in Bluetooth audio
transport /org/bluez/hci0/dev_A0_0C_E2_6E_34_5D/fd56
May 04 14:41:43 book pipewire[5268]: pw.node:
(bluez_input.A0_0C_E2_6E_34_5D.0-148) suspended -> error (Received error event)
May 04 14:41:43 book pipewire[5268]: pw.node:
(bluez_output.A0_0C_E2_6E_34_5D.1-146) running -> error (Received error event)
May 04 14:41:43 book bluetoothd[2716]: src/profile.c:ext_io_disconnected()
Unable to get io data for Hands-Free Voice gateway: getpeername: Transport
endpoint is not connected (107)
May 04 14:41:43 book gsd-media-keys[6336]: Unable to get default sink
May 04 14:41:43 book pipewire-pulse[5292]: mod.protocol-pulse: 0x592b433bb1e0:
card 160 port 0 profiles inconsistent (1 < 2)
May 04 14:41:43 book pipewire-pulse[5292]: mod.protocol-pulse: 0x592b433bb1e0:
card 160 port 1 profiles inconsistent (1 < 2)
May 04 14:41:44 book kernel: Bluetooth: hci0: SCO packet for unknown connection
handle 257
This attempt connected at 14:41:35 and failed at 14:41:43, so the audio
transport died after about 8 seconds.
Another reproduction in the same boot:
May 03 23:51:37 book bluetoothd[2716]:
profiles/audio/avdtp.c:handle_unanswered_req() No reply to SetConfiguration
request
May 03 23:51:37 book kernel: input: OpenComm2 by Shokz_II (AVRCP) as
/devices/virtual/input/input30
May 03 23:51:49 book kernel: input: OpenComm2 by Shokz_II (AVRCP) as
/devices/virtual/input/input31
May 03 23:51:52 book wireplumber[5288]: pw.node:
(bluez_input.A0_0C_E2_6E_34_5D.0-129) suspended -> error (Received error event)
May 03 23:51:52 book wireplumber[5288]: pw.node:
(bluez_output.A0_0C_E2_6E_34_5D.1-136) running -> error (Received error event)
May 03 23:51:52 book wireplumber[5288]: spa.bluez5: Failure in Bluetooth audio
transport /org/bluez/hci0/dev_A0_0C_E2_6E_34_5D/fd53
May 03 23:51:52 book pipewire[5268]: pw.node:
(bluez_input.A0_0C_E2_6E_34_5D.0-129) suspended -> error (Received error event)
May 03 23:51:52 book pipewire[5268]: pw.node:
(bluez_output.A0_0C_E2_6E_34_5D.1-136) running -> error (Received error event)
May 03 23:51:52 book bluetoothd[2716]: src/profile.c:ext_io_disconnected()
Unable to get io data for Hands-Free Voice gateway: getpeername: Transport
endpoint is not connected (107)
May 03 23:52:02 book kernel: Bluetooth: hci0: SCO packet for unknown connection
handle 257
WirePlumber also logged repeated messages before these transport
failures:
May 03 10:57:57 book wireplumber[5288]: spa.bluez5.sink.media: Missing
completion reports for packet (0 suppressed): Bluetooth adapter firmware bug?
May 03 22:21:50 book wireplumber[5288]: spa.bluez5.sink.media: Missing
completion reports for packet (0 suppressed): Bluetooth adapter firmware bug?
Bluetooth controller firmware from the current boot:
May 02 20:46:04 book kernel: Bluetooth: hci0: Found device firmware:
intel/ibt-0093-0291.sfi
May 02 20:46:04 book kernel: Bluetooth: hci0: Firmware Version: 125-8.26
May 02 20:46:06 book kernel: Bluetooth: hci0: Found Intel DDC parameters:
intel/ibt-0093-0291.ddc
May 02 20:46:06 book kernel: Bluetooth: hci0: Firmware timestamp 2026.8
buildtype 1 build 105597
May 02 20:46:06 book kernel: Bluetooth: hci0: Firmware SHA1: 0x08f159a0
bluetoothctl info after the failure:
Device A0:0C:E2:6E:34:5D (public)
Name: OpenComm2 by Shokz_II
Alias: OpenComm2 by Shokz_II
Class: 0x00240404 (2360324)
Icon: audio-headset
Paired: yes
Bonded: yes
Trusted: yes
Blocked: no
Connected: no
LegacyPairing: no
CablePairing: no
UUID: Serial Port (00001101-0000-1000-8000-00805f9b34fb)
UUID: Headset (00001108-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Advanced Audio Distribu.. (0000110d-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Cont.. (0000110f-0000-1000-8000-00805f9b34fb)
UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)
UUID: Headset HS (00001131-0000-1000-8000-00805f9b34fb)
UUID: Intel (0000fef0-0000-1000-8000-00805f9b34fb)
Installed kernel packages include:
- linux-image-6.19.0-6-generic 6.19.0-6.6
- linux-image-7.0.0-10-generic 7.0.0-10.10
- linux-image-7.0.0-12-generic 7.0.0-12.12
- linux-image-7.0.0-14-generic 7.0.0-14.14
The current failing boot is definitely 7.0.0-14-generic:
Linux book 7.0.0-14-generic #14-Ubuntu SMP PREEMPT_DYNAMIC Mon Apr 13
11:09:53 UTC 2026 x86_64 GNU/Linux
I have saved the raw outputs logs and can attach them if useful.
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https://bugs.launchpad.net/bugs/2146761
Title:
Bluetooth audio headset regression on 7.0.0-10-generic: Shokz
OpenComm2 disconnects, works on 6.19.0-6-generic
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