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I've been reading all of the available information about Bluetooth debugging over the last couple of days, all for naught.
I have a pair of Bluetooth headphones that worked great up until about a week or two ago. Now they pair and connect successfully. They are not muted, volume is up, etc. but no sound. The only time I get any sound through them is when I change the audio profile (through pavucontrol) from h2dp-sbc to h2dp-aac and vice versa. When I change the profile, I get a small blip of sound, then nothing, I change the profile again, another small blip, then nothing.
I have tried reinstalling bluez, disabling and re-enabling btusb, downgrading my kernel, then restoring all packages to well before the problem started when that didn't work. Same problem with a different pair of Bluetooth headphones, both pairs of headphones work well with my phone.
I've already consulted all of the following:
https://wiki.archlinux.org/index.php/bluetooth
https://bbs.archlinux.org/viewtopic.php?id=259954
https://bbs.archlinux.org/viewtopic.php?id=240837
https://wiki.archlinux.org/index.php/Pu … y_problems
My pacmd list-sinks:
pacmd list-sinks
2 sink(s) available.
index: 0
name: <alsa_output.pci-0000_00_1f.3.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: IDLE
suspend cause: (none)
priority: 9039
volume: front-left: 42077 / 64% / -11.55 dB, front-right: 42077 / 64% / -11.55 dB
balance 0.00
base volume: 65536 / 100% / 0.00 dB
volume steps: 65537
muted: no
current latency: 32.44 ms
max request: 6 KiB
max rewind: 6 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 1
configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms
card: 0 <alsa_card.pci-0000_00_1f.3>
module: 6
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC236 Analog"
alsa.id = "ALC236 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xa4228000 irq 139"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "9d71"
device.product.name = "Sunrise Point-LP HD Audio"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "Built-in Audio Analog Stereo"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-output-speaker: Speakers (priority 10000, latency offset 0 usec, available: no)
properties:
device.icon_name = "audio-speakers"
analog-output-headphones: Headphones (priority 9900, latency offset 0 usec, available: yes)
properties:
device.icon_name = "audio-headphones"
active port: <analog-output-headphones>
* index: 9
name: <bluez_sink.32_00_AB_CD_21_33.a2dp_sink>
driver: <module-bluez5-device.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY
state: RUNNING
suspend cause: (none)
priority: 9050
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: 56.88 ms
max request: 4 KiB
max rewind: 0 KiB
monitor source: 10
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 1
linked by: 3
fixed latency: 48.22 ms
card: 4 <bluez_card.32_00_AB_CD_21_33>
module: 26
properties:
bluetooth.protocol = "a2dp_sink"
bluetooth.a2dp_codec = "SBC"
device.description = "Lakoche bird"
device.string = "32:00:AB:CD:21:33"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "headset"
bluez.path = "/org/bluez/hci0/dev_32_00_AB_CD_21_33"
bluez.class = "0x240404"
bluez.alias = "Lakoche bird"
device.icon_name = "audio-headset-bluetooth"
device.intended_roles = "phone"
ports:
headset-output: Headset (priority 0, latency offset 0 usec, available: yes)
properties:
active port: <headset-output>Offline