I am affected by this problem and possibly another very similar issue using a
Sony MDR-100ABN headset.
Using two different computers (one with BT built-in, one with a USB-Dongle),
both running Ubuntu 17.04 (same bluez and pulseaudio versions), I experience
different behavior.
On PC1 I have the same error as described but after several pairing/unpairing
or connecting/disconnecting tries this can is often resolved. This means
switching between A2DP (stereo output) and HFP/HSP (mono output, mono input) is
working just fine.
Ultimately this looks like an actual bt connection issue to me.
On PC2 the behavior is similar, but with a different error message:
"[pulseaudio] backend-native.c: connect(): Die angeforderte Funktion ist
nicht implementiert" (I think the original libc string is "Function not
implemented"). Here I haven't been able to get HFP/HSP working at all.
Both systems show the headset connected as 'Headset', 'Handsfree' and
'Audio-Ausgabe' (='Audio output').
The output from bluetoothctl is also the same:
<snip>
[h.ear (MDR-100ABN)]# show
Controller 00:15:83:E8:XX:XX (masked)
Name: XXX (masked)
Alias: XXX (masked)
Class: 0x0c0104
Powered: yes
Discoverable: yes
Pairable: yes
UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d052B
Discovering: no
</snip>
Software versions:
pulseaudio, pulseaudio-module-bluetooth and pulseaudio-utils: 1:10.0-1ubuntu2
(amd64)
bluez: 5.43-0ubuntu1 (amd64)
Please let me know what other type of information you need and I will
try to provide that.
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1704297
Title:
Bluetooth audio stuck in A2DP profile ([pulseaudio] module-
bluez5-device.c: Refused to switch profile to headset_head_unit: Not
connected)
Status in pulseaudio package in Ubuntu:
Confirmed
Bug description:
I've got a pair of Parot Zik bluetooth headphones, with inbuilt
microphones and such.
The Sound control panel offers a “Profile” dropdown, with choice of
A2DP and HSP profiles, but selecting the HSP profile (a) doesn't add
an input source to the “Inputs” tab, and (b) doesn't stop the
headphones playing stereo sound, indicating that it hasn't actually
been switched to HSP profile (which is, AFAIK, mono).
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: pulseaudio 1:10.0-2ubuntu1
ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8
Uname: Linux 4.11.0-10-generic x86_64
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair nvidia_uvm nvidia_drm
nvidia_modeset nvidia
ApportVersion: 2.20.5-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: chris 7755 F.... pulseaudio
/dev/snd/controlC1: chris 7755 F.... pulseaudio
/dev/snd/pcmC0D0c: chris 7755 F...m pulseaudio
/dev/snd/controlC0: chris 7755 F.... pulseaudio
CurrentDesktop: GNOME
Date: Fri Jul 14 16:27:09 2017
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/20/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1.05.02dRSA1 02/20/2017
dmi.board.asset.tag: Tag 12345
dmi.board.name: Oryx Pro
dmi.board.vendor: System76
dmi.board.version: oryp3-ess
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: System76
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1.05.02dRSA102/20/2017:bd02/20/2017:svnSystem76:pnOryxPro:pvroryp3-ess:rvnSystem76:rnOryxPro:rvroryp3-ess:cvnSystem76:ct10:cvrN/A:
dmi.product.name: Oryx Pro
dmi.product.version: oryp3-ess
dmi.sys.vendor: System76
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