2

My bluetooth behaves strangely. After reboot, I can connect my headphones via blueman-manager easily but they do not appear in sound settings / pavucontrol and the sound comes from speakers. However, after restarting bluetooth via sudo systemctl restart bluetooth headphones connect and appear in settings with the right profile (A2P or HFP), and work great until next reboot. I spent hours searching all the internet and tried every possible solution which I could understand with my limited Linux knowledge like purging and reinstalling everything merely related to bluetooth, deleting ~/.config/pulse or var/lib/bluetooth, killing pulsaudio over and over again, loading and unloading modules etc but with no success. Below you may find results of an "experiment" where I tried to "study" the behavior. Obviously I'v got a bunch of errors in service bluetooth status but strangely phones worked perfectly despite those errors.

Has someone any idea of what might be wrong with my system?

loaded modules after reboot:

~$ pactl list modules short
0   module-device-restore       
1   module-stream-restore       
2   module-card-restore     
3   module-augment-properties       
4   module-switch-on-port-available     
5   module-switch-on-connect        
6   module-udev-detect      
7   module-alsa-card    device_id="0" name="pci-0000_06_00.1" card_name="alsa_card.pci-0000_06_00.1" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1"    
8   module-alsa-card    device_id="2" name="usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01" card_name="alsa_card.usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1"    
9   module-alsa-card    device_id="1" name="pci-0000_08_00.3" card_name="alsa_card.pci-0000_08_00.3" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1"    
10  module-bluetooth-policy     
11  module-bluetooth-discover       
12  module-bluez5-discover      
13  module-native-protocol-unix     
14  module-default-device-restore       
15  module-always-sink      
16  module-intended-roles       
17  module-suspend-on-idle      
18  module-systemd-login        
19  module-position-event-sounds        
20  module-role-cork        
21  module-snap-policy      
22  module-filter-heuristics        
23  module-filter-apply 

start of the experiment

1.headphones (hp) unconnected:

~$ sudo systemctl | grep blue*
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0.device         loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0
  sys-subsystem-bluetooth-devices-hci0.device                                                           loaded active plugged   /sys/subsystem/bluetooth/devices/hci0
  bluetooth.service                                                                                     loaded active running   Bluetooth service
  bluez-alsa.service                                                                                    loaded active running   Bluealsa daemon
  bluetooth.target                                                                                      loaded active active    Bluetooth Support

2. hp connected before restarting bluetooth, hp don't appear in pavucontrol

~$ sudo systemctl | grep blue*
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0-hci0:1.device  loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0/hci0:1
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0.device         loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0
  sys-subsystem-bluetooth-devices-hci0.device                                                           loaded active plugged   /sys/subsystem/bluetooth/devices/hci0
  sys-subsystem-bluetooth-devices-hci0:1.device                                                         loaded active plugged   /sys/subsystem/bluetooth/devices/hci0:1
...

3. hp disconnected (by me)

4. hp connected after running sudo systemctl restart bluetooth, hp were first connected to another device. HFP profile appears in pavucontrol, sound works

~$ sudo systemctl | grep blue*
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0-hci0:1.device  loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0/hci0:1
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0-hci0:3.device  loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0/hci0:3
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0.device         loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0
  sys-subsystem-bluetooth-devices-hci0.device                                                           loaded active plugged   /sys/subsystem/bluetooth/devices/hci0
  sys-subsystem-bluetooth-devices-hci0:1.device                                                         loaded active plugged   /sys/subsystem/bluetooth/devices/hci0:1
  sys-subsystem-bluetooth-devices-hci0:3.device                                                         loaded active plugged   /sys/subsystem/bluetooth/devices/hci0:3
...

5. hp disconnected (by me)

6. hp connected after disconnecting from another device. A2P profile appears in pavucontrol, sound works.

  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0-hci0:7.device  loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0/hci0:4
  sys-devices-pci0000:00-0000:00:01.3-0000:01:00.0-usb1-1\x2d8-1\x2d8:1.0-bluetooth-hci0.device         loaded active plugged   /sys/devices/pci0000:00/0000:00:01.3/0000:01:00.0/usb1/1-8/1-8:1.0/bluetooth/hci0
  sys-subsystem-bluetooth-devices-hci0.device                                                           loaded active plugged   /sys/subsystem/bluetooth/devices/hci0
  sys-subsystem-bluetooth-devices-hci0:4.device                                                         loaded active plugged   /sys/subsystem/bluetooth/devices/hci0:4
...

corresponding service bluetooth status output after the experiment:

~$ service bluetooth status
● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2023-01-06 00:11:57 CET; 6min ago
       Docs: man:bluetoothd(8)
   Main PID: 5453 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 38218)
     Memory: 1016.0K
        CPU: 74ms
     CGroup: /system.slice/bluetooth.service
             └─5453 /usr/lib/bluetooth/bluetoothd

Jan 06 00:11:58 Sphex bluetoothd[5453]: Endpoint registered: sender=:1.187 path=/MediaEndpoint/A2DPSource/sbc_xq_552
Jan 06 00:11:58 Sphex bluetoothd[5453]: Endpoint registered: sender=:1.212 path=/org/bluez/hci0/A2DP/LDAC/Source/1
Jan 06 00:11:58 Sphex bluetoothd[5453]: Endpoint registered: sender=:1.212 path=/org/bluez/hci0/A2DP/LDAC/Source/2
Jan 06 00:11:58 Sphex bluetoothd[5453]: Endpoint registered: sender=:1.212 path=/org/bluez/hci0/A2DP/SBC/Source/1
Jan 06 00:11:58 Sphex bluetoothd[5453]: Endpoint registered: sender=:1.212 path=/org/bluez/hci0/A2DP/SBC/Source/2
Jan 06 00:11:58 Sphex bluetoothd[5453]: src/profile.c:ext_start_servers() RFCOMM server failed for Hands-Free Voice gateway: rfcomm_bind: Address already in use (98)
Jan 06 00:11:58 Sphex bluetoothd[5453]: src/adv_monitor.c:btd_adv_monitor_power_down() Unexpected NULL btd_adv_monitor_manager object upon power down
Jan 06 00:12:23 Sphex bluetoothd[5453]: profiles/audio/avdtp.c:avdtp_connect_cb() connect to 1C:6E:4C:83:6D:F2: Connection refused (111)
Jan 06 00:16:56 Sphex bluetoothd[5453]: src/profile.c:ext_io_disconnected() Unable to get io data for Hands-Free Voice gateway: getpeername: Transport endpoint is not connected (107)
Jan 06 00:17:22 Sphex bluetoothd[5453]: /org/bluez/hci0/dev_1C_6E_4C_83_6D_F2/sep1/fd0: fd(41) ready  

pacmd info

pacmd list-cards
...
    index: 4
    name: <bluez_card.1C_6E_4C_83_6D_F2>
    driver: <module-bluez5-device.c>
    owner module: 25
    properties:
        device.description = "MAJOR IV"
        device.string = "1C:6E:4C:83:6D:F2"
        device.api = "bluez"
        device.class = "sound"
        device.bus = "bluetooth"
        device.form_factor = "headphone"
        bluez.path = "/org/bluez/hci0/dev_1C_6E_4C_83_6D_F2"
        bluez.class = "0x240418"
        bluez.alias = "MAJOR IV"
        device.icon_name = "audio-headphones-bluetooth"
        bluetooth.codec = "sbc"
    profiles:
        a2dp_sink: High Fidelity Playback (A2DP Sink) (priority 40, available: unknown)
        handsfree_head_unit: Handsfree Head Unit (HFP) (priority 30, available: no)
        off: Off (priority 0, available: yes)
    active profile: <a2dp_sink>
    sinks:
        bluez_sink.1C_6E_4C_83_6D_F2.a2dp_sink/#2: MAJOR IV
    sources:
        bluez_sink.1C_6E_4C_83_6D_F2.a2dp_sink.monitor/#4: Monitor of MAJOR IV
    ports:
        headphone-output: Headphone (priority 0, latency offset 0 usec, available: unknown)
            properties:
                
        headphone-input: Bluetooth Input (priority 0, latency offset 0 usec, available: no)
            properties:
pacmd list-sinks
...
 * index: 2
    name: <bluez_sink.1C_6E_4C_83_6D_F2.a2dp_sink>
    driver: <module-bluez5-device.c>
    flags: HARDWARE HW_VOLUME_CTRL LATENCY 
    state: SUSPENDED
    suspend cause: IDLE
    priority: 9950
    volume: front-left: 25802 /  39%,   front-right: 25802 /  39%
            balance 0.00
    base volume: 65536 / 100%
    volume steps: 128
    muted: no
    current latency: 0.00 ms
    max request: 3 KiB
    max rewind: 0 KiB
    monitor source: 4
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 0
    linked by: 0
    fixed latency: 45.32 ms
    card: 4 <bluez_card.1C_6E_4C_83_6D_F2>
    module: 25
    properties:
        bluetooth.protocol = "a2dp_sink"
        bluetooth.codec = "sbc"
        device.description = "MAJOR IV"
        device.string = "1C:6E:4C:83:6D:F2"
        device.api = "bluez"
        device.class = "sound"
        device.bus = "bluetooth"
        device.form_factor = "headphone"
        bluez.path = "/org/bluez/hci0/dev_1C_6E_4C_83_6D_F2"
        bluez.class = "0x240418"
        bluez.alias = "MAJOR IV"
        device.icon_name = "audio-headphones-bluetooth"
    ports:
        headphone-output: Headphone (priority 0, latency offset 0 usec, available: unknown)
            properties:
                
    active port: <headphone-output>
pacmd list-sources 
...
    index: 4
    name: <bluez_sink.1C_6E_4C_83_6D_F2.a2dp_sink.monitor>
    driver: <module-bluez5-device.c>
    flags: DECIBEL_VOLUME LATENCY 
    state: SUSPENDED
    suspend cause: IDLE
    priority: 1950
    volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
            balance 0.00
    base volume: 65536 / 100% / 0.00 dB
    volume steps: 65537
    muted: no
    current latency: 0.00 ms
    max rewind: 0 KiB
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 0
    linked by: 0
    fixed latency: 45.32 ms
    monitor_of: 2
    card: 4 <bluez_card.1C_6E_4C_83_6D_F2>
    module: 25
    properties:
        device.description = "Monitor of MAJOR IV"
        device.class = "monitor"
        device.string = "1C:6E:4C:83:6D:F2"
        device.api = "bluez"
        device.bus = "bluetooth"
        device.form_factor = "headphone"
        bluez.path = "/org/bluez/hci0/dev_1C_6E_4C_83_6D_F2"
        bluez.class = "0x240418"
        bluez.alias = "MAJOR IV"
        device.icon_name = "audio-headphones-bluetooth"

my system:

inxi -Fxxxrz
System:
  Kernel: 5.15.0-56-generic x86_64 bits: 64 compiler: gcc v: 11.3.0
    Desktop: Cinnamon 5.6.5 tk: GTK 3.24.33 wm: muffin vt: 7 dm: LightDM 1.30.0
    Distro: Linux Mint 21.1 Vera base: Ubuntu 22.04 jammy
Machine:
  Type: Desktop Mobo: ASUSTeK model: ROG STRIX B450-I GAMING v: Rev 1.xx
    serial: <superuser required> BIOS: American Megatrends v: 4901
    date: 07/25/2022
CPU:
  Info: 8-core model: AMD Ryzen 7 2700X bits: 64 type: MT MCP smt: enabled
    arch: Zen+ rev: 2 cache: L1: 768 KiB L2: 4 MiB L3: 16 MiB
  Speed (MHz): avg: 2142 high: 2849 min/max: 2200/3700 boost: enabled
    cores: 1: 1947 2: 2738 3: 1813 4: 2391 5: 2197 6: 2070 7: 2193 8: 1885
    9: 1747 10: 2849 11: 1810 12: 2174 13: 2196 14: 2187 15: 2194 16: 1887
    bogomips: 118178
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
  Device-1: NVIDIA GP106 [GeForce GTX 1060 3GB] vendor: ZOTAC driver: nvidia
    v: 515.86.01 pcie: speed: 2.5 GT/s lanes: 16 ports: active: none
    off: HDMI-A-1 empty: DP-1, DP-2, DP-3, DVI-D-1 bus-ID: 06:00.0
    chip-ID: 10de:1c02 class-ID: 0300
  Display: x11 server: X.Org v: 1.21.1.3 driver: X: loaded: nvidia
    unloaded: modesetting alternate: fbdev,nouveau,vesa gpu: nvidia
    display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 90 s-size: 542x301mm (21.3x11.9")
    s-diag: 620mm (24.4")
  Monitor-1: HDMI-0 res: 1920x1080 hz: 60 dpi: 90
    size: 544x303mm (21.4x11.9") diag: 623mm (24.5")
  OpenGL: renderer: NVIDIA GeForce GTX 1060 3GB/PCIe/SSE2
    v: 4.6.0 NVIDIA 515.86.01 direct render: Yes
Audio:
  Device-1: NVIDIA GP106 High Definition Audio vendor: ZOTAC
    driver: snd_hda_intel v: kernel pcie: speed: 8 GT/s lanes: 16
    bus-ID: 06:00.1 chip-ID: 10de:10f1 class-ID: 0403
  Device-2: AMD Family 17h HD Audio vendor: ASUSTeK driver: snd_hda_intel
    v: kernel pcie: speed: 8 GT/s lanes: 16 bus-ID: 08:00.3 chip-ID: 1022:1457
    class-ID: 0403
  Device-3: Nam Tai E&E Products or OmniVision Sony Playstation Eye
    type: USB driver: ov534,snd-usb-audio bus-ID: 3-3:4 chip-ID: 1415:2000
    class-ID: 0102
  Sound Server-1: ALSA v: k5.15.0-56-generic running: yes
  Sound Server-2: PulseAudio v: 15.99.1 running: yes
  Sound Server-3: PipeWire v: 0.3.63 running: yes
Network:
  Device-1: Intel I211 Gigabit Network vendor: ASUSTeK driver: igb v: kernel
    pcie: speed: 2.5 GT/s lanes: 1 port: d000 bus-ID: 03:00.0
    chip-ID: 8086:1539 class-ID: 0200
  IF: enp3s0 state: down mac: <filter>
  Device-2: Realtek RTL8822BE 802.11a/b/g/n/ac WiFi adapter vendor: ASUSTeK
    driver: rtw_8822be v: kernel pcie: speed: 2.5 GT/s lanes: 1 port: c000
    bus-ID: 04:00.0 chip-ID: 10ec:b822 class-ID: 0280
  IF: wlp4s0 state: up mac: <filter>
  IF-ID-1: lxcbr0 state: down mac: <filter>
Bluetooth:
  Device-1: ASUSTek Bluetooth Radio type: USB driver: btusb v: 0.8
    bus-ID: 1-8:5 chip-ID: 0b05:185c class-ID: e001 serial: <filter>
  Report: hciconfig ID: hci0 rfk-id: 0 state: up address: <filter>
    bt-v: 2.1 lmp-v: 4.2 sub-v: 705c hci-v: 4.2 rev: ab6b
RAID:
  Device-1: default type: zfs status: ONLINE level: linear raw:
    size: 18.5 GiB free: 18.5 GiB allocated: 1.4 MiB zfs-fs: size: 17.92 GiB
    free: 17.92 GiB
  Components: Online: 1:
Drives:
  Local Storage: total: 1.82 TiB used: 1.23 TiB (67.8%)
  ID-1: /dev/sda vendor: Western Digital model: WD10EZEX-22MFCA0
    size: 931.51 GiB speed: 6.0 Gb/s type: HDD rpm: 7200 serial: <filter>
    rev: 1A01 scheme: MBR
  ID-2: /dev/sdb vendor: Western Digital model: WD10EZEX-00BBHA0
    size: 931.51 GiB speed: 6.0 Gb/s type: HDD rpm: 7200 serial: <filter>
    rev: 1A01
Partition:
  ID-1: / size: 915.82 GiB used: 780.18 GiB (85.2%) fs: ext4 dev: /dev/sda1
Swap:
  ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) priority: -2
    file: /swapfile
Sensors:
  System Temperatures: cpu: 36.4 C mobo: N/A gpu: nvidia temp: 34 C
  Fan Speeds (RPM): N/A gpu: nvidia fan: 40%
Repos:
  Packages: 3758 apt: 3688 flatpak: 54 snap: 16
  Active apt repos in: /etc/apt/sources.list.d/additional-repositories.list
    1: deb https://cloud.r-project.org/bin/linux/ubuntu jammy-cran40/
    2: deb http://ftp.halifax.rwth-aachen.de/ubuntu/ focal-backports main restricted universe
  Active apt repos in: /etc/apt/sources.list.d/c2d4u_team-c2d4u4_0_-focal.list
    1: deb http://ppa.launchpad.net/c2d4u.team/c2d4u4.0+/ubuntu jammy main
  Active apt repos in: /etc/apt/sources.list.d/cybermax-dexter-sdl2-backport-focal.list
    1: deb http://ppa.launchpad.net/cybermax-dexter/sdl2-backport/ubuntu jammy main
  Active apt repos in: /etc/apt/sources.list.d/google-earth-pro.list
    1: deb [arch=amd64] http://dl.google.com/linux/earth/deb/ stable main
  No active apt repos in: /etc/apt/sources.list.d/graphics-drivers-ppa-focal.list
  No active apt repos in: /etc/apt/sources.list.d/lutris-team-lutris-focal.list
  Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
    1: deb http://packages.linuxmint.com vera main upstream import backport
    2: deb http://archive.ubuntu.com/ubuntu jammy main restricted universe multiverse
    3: deb http://archive.ubuntu.com/ubuntu jammy-updates main restricted universe multiverse
    4: deb http://archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse
    5: deb http://security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
  Active apt repos in: /etc/apt/sources.list.d/pipewire-debian-pipewire-upstream-focal.list
    1: deb http://ppa.launchpad.net/pipewire-debian/pipewire-upstream/ubuntu jammy main
  Active apt repos in: /etc/apt/sources.list.d/savoury1-xscreensaver-jammy.list
    1: deb http://ppa.launchpad.net/savoury1/xscreensaver/ubuntu jammy main
  Active apt repos in: /etc/apt/sources.list.d/skype-stable.list
    1: deb [arch=amd64] https://repo.skype.com/deb stable main
  Active apt repos in: /etc/apt/sources.list.d/unit193-encryption-focal.list
    1: deb http://ppa.launchpad.net/unit193/encryption/ubuntu jammy main
    2: deb-src http://ppa.launchpad.net/unit193/encryption/ubuntu jammy main
  Active apt repos in: /etc/apt/sources.list.d/yannubuntu-boot-repair-focal.list
    1: deb http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu jammy main
  Active apt repos in: /etc/apt/sources.list.d/winehq-focal.sources
    1: deb [arch=amd64 i386] https://dl.winehq.org/wine-builds/ubuntu focal main
  Active apt repos in: /etc/apt/sources.list.d/winehq-jammy.sources
    1: deb [arch=amd64 i386] https://dl.winehq.org/wine-builds/ubuntu jammy main
Info:
  Processes: 452 Uptime: 29m wakeups: 0 Memory: 31.27 GiB
  used: 3.11 GiB (10.0%) Init: systemd v: 249 runlevel: 5 Compilers:
  gcc: 11.3.0 alt: 10/11/9 Shell: Bash v: 5.1.16 running-in: gnome-terminal
  inxi: 3.3.13
3
  • If you say that this only works if you restart the bluetooth service then I guess the service fails at boot up for specific reason (maybe this "rfcomm_bind: Address already in use (98)"). But I'm not sure of that. 1) Check the output of sudo journalctl -xeu bluetooth (to see the logs from the end) or sudo journalctl -xu bluetooth (to see the logs from the beginning). Maybe that shows you more detailed logs about the error. Commented Jan 6, 2023 at 1:00
  • 2) Edit the bluetooth service by uncommenting this line: #Restart=on-failure (or if it does not exits then add it in the [Service] section). Also, you can add this line in [Service] section: RestartSec=5 or any number of seconds you want Commented Jan 6, 2023 at 1:04
  • @Edgar thank you for your suggestion, in /usr/lib/systemd/system/bluetooth.service Restart=on-failure has not been commented. The addition of RestartSec=7 or 15 did not help. executing sudo systemctl restart bluetooth manually still helps.
    – Sergej S
    Commented Jan 6, 2023 at 7:13

1 Answer 1

0

I resolved my bluetooth problems by removing bluez-alsa-utils. Somehow, this package interfered with pulseaudio. Now I've got a PipeWire error

"Failed connect to PipeWire: No node factory discovered"

but as long as this does not affect the sound (which it seems to not doing) I'm fine with it.

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