Bluetooth headphones without 5 GHz wifi

nick.l.thomas · 2020-04-20 03:06:38

I've been trying with mixed results to get my Bose QC35 bluetooth headphones on my new install. Using bluetoothctl and blueman I can get it to connect occasionally and even get audio to come through for 10-20 seconds, but it's extremely choppy and I lose the connection eventually. It sounds like the problem described here which makes it sound like switching to 5GHz wifi is almost necessary to fix the issue (which I don't have now). I've tried changing the latency without luck, by

$ pacmd list-sinks | egrep -o 'bluez_card[^>]*'
bluez_card.28_11_A5_76_23_FC

$ set-port-latency-offset 28_11_A5_76_23_FC headset-output 125000
Failure: No such entity

$ set-port-latency-offset bluez_card.28_11_A5_76_23_FC headset-output 125000
Failure: No such entity

Not sure if I'm specifying the card incorrectly or if I'm not catching it for the brief time it's connected correctly, but I'm not sure if that would even help. I've messed a bit with the fragment size as suggested too but I really have no clue what a good value would be.

Is it really necessary to have 5GHz wifi to fix this or is there something else I can try?

Last edited by nick.l.thomas (2020-04-20 03:07:20)

V1del · 2020-04-20 06:37:03

Check dmesg/journal for bluetooth related error messages, what's your wifi/bluetooth card? Outputs of

lsusb
lspci -k

might be helpful

nick.l.thomas · 2020-04-20 20:41:59

$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 001 Device 003: ID 256f:c635 3Dconnexion SpaceMouse Compact
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 008: ID 8087:0aaa Intel Corp.
Bus 001 Device 007: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 006: ID 048d:8297 Integrated Technology Express, Inc. ITE Device(8595)
Bus 001 Device 005: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

$ lspci | grep -i network
00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)

$ lspci -k
00:00.0 Host bridge: Intel Corporation 8th Gen Core 8-core Desktop Processor Host Bridge/DRAM Registers [Coffee Lake S] (rev 0d)
        DeviceName: Onboard - Other
        Subsystem: Gigabyte Technology Co., Ltd 8th Gen Core 8-core Desktop Processor Host Bridge/DRAM Registers [Coffee Lake S]
        Kernel driver in use: skl_uncore
        Kernel modules: ie31200_edac
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 0d)
        Kernel driver in use: pcieport
00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Gigabyte Technology Co., Ltd Cannon Lake PCH Thermal Controller
        Kernel driver in use: intel_pch_thermal
        Kernel modules: intel_pch_thermal
00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Gigabyte Technology Co., Ltd Cannon Lake PCH USB 3.1 xHCI Host Controller
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Intel Corporation Cannon Lake PCH Shared SRAM
00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)
        DeviceName: Onboard - Ethernet
        Subsystem: Intel Corporation Wireless-AC 9560 [Jefferson Peak]
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Gigabyte Technology Co., Ltd Cannon Lake PCH HECI Controller
        Kernel driver in use: mei_me
        Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation Cannon Lake PCH SATA AHCI Controller (rev 10)
        DeviceName: Onboard - SATA
        Subsystem: Gigabyte Technology Co., Ltd Cannon Lake PCH SATA AHCI Controller
        Kernel driver in use: ahci
        Kernel modules: ahci
00:1b.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #17 (rev f0)
        Kernel driver in use: pcieport
00:1c.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #1 (rev f0)
        Kernel driver in use: pcieport
00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #9 (rev f0)
        Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Z390 Chipset LPC/eSPI Controller (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Gigabyte Technology Co., Ltd Z390 Chipset LPC/eSPI Controller
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
        DeviceName: Onboard - Sound
        Subsystem: Gigabyte Technology Co., Ltd Cannon Lake PCH cAVS
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel, snd_sof_pci
00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Gigabyte Technology Co., Ltd Cannon Lake PCH SMBus Controller
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
        DeviceName: Onboard - Other
        Subsystem: Intel Corporation Cannon Lake PCH SPI Controller
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (7) I219-V (rev 10)
        DeviceName: Onboard - Ethernet
        Subsystem: Gigabyte Technology Co., Ltd Ethernet Connection (7) I219-V
        Kernel driver in use: e1000e
        Kernel modules: e1000e
01:00.0 VGA compatible controller: NVIDIA Corporation GP106GL [Quadro P2000] (rev a1)
        Subsystem: NVIDIA Corporation GP106GL [Quadro P2000]
        Kernel driver in use: nvidia
        Kernel modules: nouveau, nvidia_drm, nvidia
01:00.1 Audio device: NVIDIA Corporation GP106 High Definition Audio Controller (rev a1)
        Subsystem: NVIDIA Corporation GP106 High Definition Audio Controller
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
02:00.0 Non-Volatile memory controller: Sandisk Corp Device 5009 (rev 01)
        Subsystem: Sandisk Corp Device 5009
        Kernel driver in use: nvme
04:00.0 Non-Volatile memory controller: Sandisk Corp Device 5009 (rev 01)
        Subsystem: Sandisk Corp Device 5009
        Kernel driver in use: nvme

Some error messages within bluetoothctl:

[CHG] Device 28:11:A5:76:23:FC Connected: no
[CHG] Device 28:11:A5:76:23:FC RSSI: -99
[CHG] Device 28:11:A5:76:23:FC ManufacturerData Key: 0x0901
[CHG] Device 28:11:A5:76:23:FC ManufacturerData Value:
  53 12 5c bc 0a ac e5 9a 2c 35                    S.\.....,5
[CHG] Device 28:11:A5:76:23:FC Connected: yes
[LE-Nick's Quiet Comforts]# connect 28:11:A5:76:23:FC
Attempting to connect to 28:11:A5:76:23:FC
[CHG] Device 28:11:A5:76:23:FC RSSI: -85
[CHG] Device 28:11:A5:76:23:FC Connected: no
[CHG] Device 28:11:A5:76:23:FC Connected: yes
[CHG] Device 28:11:A5:76:23:FC Name: Nick's Quiet Comforts
[CHG] Device 28:11:A5:76:23:FC Alias: Nick's Quiet Comforts
[LE-Nick's Quiet Comforts]# connect 28:11:A5:76:23:FC
Attempting to connect to 28:11:A5:76:23:FC
Failed to connect: org.bluez.Error.InProgress
[LE-Nick's Quiet Comforts]#

a bit of dmesg after trying to connect a few times

[ 9464.840589] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 9464.840590] Bluetooth: BNEP filters: protocol multicast
[ 9464.840592] Bluetooth: BNEP socket layer initialized
[ 9464.843428] NET: Registered protocol family 38
[ 9464.857327] Bluetooth: RFCOMM TTY layer initialized
[ 9464.857330] Bluetooth: RFCOMM socket layer initialized
[ 9464.857332] Bluetooth: RFCOMM ver 1.11
[ 9465.016052] audit: type=1130 audit(1587414668.213:56): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-hostnamed comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[ 9495.071516] audit: type=1131 audit(1587414698.273:57): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-hostnamed comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'

Arch Linux

#1 2020-04-20 03:06:38

Bluetooth headphones without 5 GHz wifi

#2 2020-04-20 06:37:03

Re: Bluetooth headphones without 5 GHz wifi

#3 2020-04-20 20:41:59

Re: Bluetooth headphones without 5 GHz wifi

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