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Message #00106
[Bug 2109389] Re: Loud beep in BT headset when connecting and often when sound restarts
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2109389
Title:
Loud beep in BT headset when connecting and often when sound restarts
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
A very loud beep occurs on Bluetooth headsets (at least my Bose
Quietcomfort 35) when initially connecting, and often when sound
starts playing, for example when resuming audio media after stopping
or pausing, or when starting a Youtube video It is so loud as to be
painful and makes using a BT headset uncomfortable.
The beep does not occur when stopping and immediately restarting. (so related to some kind of background or sleep state?)
Hard-wired headsets (connected to my mobo sound Line Output) do not get any beeps. So it seems specific to bluetooth or the various audio plumbing parts used when bluetooth is active.
I tried toggling /sys/module/snd_hda_intel/parameters/power_save
between 1 and 0 (1 is it's normal state), thinking that it might be a
low-level sound driver issue. But setting power_save = 0 does not
make the beeps go away.
STEPS TO REPRODUCE:
1. echo "1" | sudo tee /sys/module/snd_hda_intel/parameters/power_save # in case it matters (it doesn't)
2. Connect a Bluetooth headset (mine is a Bose Quietcomfort 35)
3. Play any audio, e.g. something on youtube.
stop playing and start playing several times, pausing 5-10 seconds in the "stopped" state.
It might make a difference by switching tabs in Firefox and then back (possibly triggering some kind of sleep status for the process playing sound) [not confirmed]
RESULTS: Loud beep is heard on headset when playing restarts.
Ubuntu 24.04.2 LTS
Kernel 6.11.0-24-generic
bluez 5.72-0ubuntu5.1
I don't know what information might be helpful, but here are some
guesses:
$ sudo service bluetooth status
bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; preset: enabled)
Active: active (running) since Wed 2025-04-23 12:58:34 PDT; 2 days ago
Docs: man:bluetoothd(8)
Main PID: 1457 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 18610)
Memory: 3.2M (peak: 3.8M)
CPU: 169ms
CGroup: /system.slice/bluetooth.service
└─1457 /usr/libexec/bluetooth/bluetoothd
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSource/aptx_ll_duplex_1
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSource/aptx_ll_duplex_0
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSource/faststream
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSource/faststream_duplex
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSink/opus_05
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSource/opus_05
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSink/opus_05_duplex
Apr 25 21:28:06 lxjima bluetoothd[1457]: Endpoint registered: sender=:1.55 path=/MediaEndpoint/A2DPSource/opus_05_duplex
Apr 25 21:58:16 lxjima bluetoothd[1457]: src/profile.c:ext_io_disconnected() Unable to get io data for Hands-Free Voice gateway: getpeername: Transport endpoint is not connected (107)
Apr 25 22:00:24 lxjima bluetoothd[1457]: src/profile.c:ext_io_disconnected() Unable to get io data for Hands-Free Voice gateway: getpeername: Transport endpoint is not connected (107)
$ echo "show" | bluetoothctl
hci0 new_settings: powered bondable ssp br/edr le secure-conn Bose QC35
[jim's Bose QC35]# show
Controller 48:89:E7:CF:4F:FD (public)
Manufacturer: 0x0002 (2)
Version: 0x0a (10)
Name: lxjima
Alias: lxjima
Class: 0x006c0104 (7078148)
Powered: yes
Discoverable: no
DiscoverableTimeout: 0x000000b4 (180)
Pairable: no
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: Handsfree Audio Gateway (0000111f-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: Device Information (0000180a-0000-1000-8000-00805f9b34fb)
UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d0548
Discovering: no
Roles: central
Roles: peripheral
Advertising Features:
ActiveInstances: 0x00 (0)
SupportedInstances: 0x06 (6)
SupportedIncludes: tx-power
SupportedIncludes: appearance
SupportedIncludes: local-name
SupportedSecondaryChannels: 1M
SupportedSecondaryChannels: 2M
$ hciconfig -a
hci0: Type: Primary Bus: USB
BD Address: 48:89:E7:CF:4F:FD ACL MTU: 1021:4 SCO MTU: 96:6
UP RUNNING
RX bytes:1806650 acl:493 sco:28190 events:3444 errors:1
TX bytes:2348628 acl:462 sco:26128 commands:2866 errors:0
Features: 0xbf 0xfe 0x0f 0xfe 0xdb 0xff 0x7b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH SNIFF
Link mode: PERIPHERAL ACCEPT
Name: 'lxjima'
Class: 0x6c0104
Service Classes: Rendering, Capturing, Audio, Telephony
Device Class: Computer, Desktop workstation
HCI Version: 5.1 (0xa) Revision: 0x100
LMP Version: 5.1 (0xa) Subversion: 0x100
Manufacturer: Intel Corp. (2)
$cat /proc/asound/cards
0 [S24c ]: USB-Audio - Studio 24c
PreSonus Studio 24c at usb-0000:04:00.0-1, high speed
1 [Webcam ]: USB-Audio - T2S Webcam
NOVATEK T2S Webcam at usb-0000:00:14.0-5, high speed
2 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0x2ffff20000 irq 169
(#2 is presumably the relevant one)
$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k6.11.0-24-generic.
$ lspci -v | grep -i -A7 "audio"
00:1f.3 Audio device: Intel Corporation 200 Series PCH HD Audio
Subsystem: ASUSTeK Computer Inc. 200 Series PCH HD Audio
Flags: bus master, fast devsel, latency 32, IRQ 139, IOMMU group 10
Memory at 2ffff20000 (64-bit, non-prefetchable) [size=16K]
Memory at 2ffff00000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_soc_avs
$ aplay --list-devices
**** List of PLAYBACK Hardware Devices ****
card 0: S24c [Studio 24c], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: PCH [HDA Intel PCH], device 0: ALC1220 Analog [ALC1220 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: PCH [HDA Intel PCH], device 1: ALC1220 Digital [ALC1220 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: PCH [HDA Intel PCH], device 3: HDMI 0 [PHL 328E1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.11.0-24.24~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-24-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: jima 2434 F.... wireplumber
/dev/snd/controlC0: jima 2434 F.... wireplumber
/dev/snd/controlC1: jima 2434 F.... wireplumber
/dev/snd/seq: jima 2430 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 25 21:46:58 2025
MachineType: System manufacturer System Product Name
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2017
dmi.bios.release: 5.12
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0605
dmi.board.asset.tag: Default string
dmi.board.name: PRIME Z370-A
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0605:bd12/01/2017:br5.12:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ370-A:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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