Hi, I looked for a guide on how to downgrade kernel but I am not sure I undestand it, do you have something to link please?
Code: Select all
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC256 Analog [ALC256 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
Code: Select all
pacmd list sinks
Memory blocks currently allocated: 2, size: 75.4 KiB.
Memory blocks allocated during the whole lifetime: 807291, size: 1.6 GiB.
Memory blocks imported from other processes: 0, size: 0 B.
Memory blocks exported to other processes: 0, size: 0 B.
Total sample cache size: 11.5 KiB.
Default sample spec: s16le 2ch 44100Hz
Default channel map: front-left,front-right
Default sink name: bluez_sink.98_52_3D_9D_37_DF.a2dp_sink
Default source name: bluez_sink.98_52_3D_9D_37_DF.a2dp_sink.monitor
Memory blocks of type POOL: 2 allocated/714494 accumulated.
Memory blocks of type POOL_EXTERNAL: 0 allocated/0 accumulated.
Memory blocks of type APPENDED: 0 allocated/0 accumulated.
Memory blocks of type USER: 0 allocated/0 accumulated.
Memory blocks of type FIXED: 0 allocated/0 accumulated.
Memory blocks of type IMPORTED: 0 allocated/92797 accumulated.
23 module(s) loaded.
index: 0
name: <module-device-restore>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore the volume/mute state of devices"
module.version = "16.1"
index: 1
name: <module-stream-restore>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore the volume/mute/device state of streams"
module.version = "16.1"
index: 2
name: <module-card-restore>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore profile of cards"
module.version = "16.1"
index: 3
name: <module-augment-properties>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Augment the property sets of streams with additional static information"
module.version = "16.1"
index: 4
name: <module-switch-on-port-available>
argument: <>
used: -1
load once: yes
properties:
module.author = "David Henningsson"
module.description = "Switches ports and profiles when devices are plugged/unplugged"
module.version = "16.1"
index: 5
name: <module-udev-detect>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Detect available audio hardware and load matching drivers"
module.version = "16.1"
index: 6
name: <module-alsa-card>
argument: <device_id="1" name="pci-0000_01_00.1" card_name="alsa_card.pci-0000_01_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">
used: 0
load once: no
properties:
module.author = "Lennart Poettering"
module.description = "ALSA Card"
module.version = "16.1"
index: 7
name: <module-bluetooth-policy>
argument: <>
used: -1
load once: yes
properties:
module.author = "Frédéric Dalleau, Pali Rohár"
module.description = "Policy module to make using bluetooth devices out-of-the-box easier"
module.version = "16.1"
index: 8
name: <module-bluetooth-discover>
argument: <>
used: -1
load once: yes
properties:
module.author = "João Paulo Rechi Vita"
module.description = "Detect available Bluetooth daemon and load the corresponding discovery module"
module.version = "16.1"
index: 9
name: <module-bluez5-discover>
argument: <>
used: -1
load once: yes
properties:
module.author = "João Paulo Rechi Vita"
module.description = "Detect available BlueZ 5 Bluetooth audio devices and load BlueZ 5 Bluetooth audio drivers"
module.version = "16.1"
index: 10
name: <module-native-protocol-unix>
argument: <>
used: -1
load once: no
properties:
module.author = "Lennart Poettering"
module.description = "Native protocol (UNIX sockets)"
module.version = "16.1"
index: 11
name: <module-gsettings>
argument: <>
used: -1
load once: yes
properties:
module.author = "Sylvain Baubeau"
module.description = "GSettings Adapter"
module.version = "16.1"
index: 12
name: <module-default-device-restore>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Automatically restore the default sink and source"
module.version = "16.1"
index: 13
name: <module-always-sink>
argument: <>
used: -1
load once: yes
properties:
module.author = "Colin Guthrie"
module.description = "Always keeps at least one sink loaded even if it's a null one"
module.version = "16.1"
index: 15
name: <module-intended-roles>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Automatically set device of streams based on intended roles of devices"
module.version = "16.1"
index: 16
name: <module-suspend-on-idle>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "When a sink/source is idle for too long, suspend it"
module.version = "16.1"
index: 17
name: <module-systemd-login>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Create a client for each login session of this user"
module.version = "16.1"
index: 18
name: <module-position-event-sounds>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Position event sounds between L and R depending on the position on screen of the widget triggering them."
module.version = "16.1"
index: 19
name: <module-role-cork>
argument: <>
used: -1
load once: yes
properties:
module.author = "Lennart Poettering"
module.description = "Mute & cork streams with certain roles while others exist"
module.version = "16.1"
index: 20
name: <module-filter-heuristics>
argument: <>
used: -1
load once: yes
properties:
module.author = "Colin Guthrie"
module.description = "Detect when various filters are desirable"
module.version = "16.1"
index: 21
name: <module-filter-apply>
argument: <>
used: -1
load once: yes
properties:
module.author = "Colin Guthrie"
module.description = "Load filter sinks automatically when needed"
module.version = "16.1"
index: 23
name: <module-cli-protocol-unix>
argument: <>
used: -1
load once: no
properties:
module.author = "Lennart Poettering"
module.description = "Command line interface protocol (UNIX sockets)"
module.version = "16.1"
index: 25
name: <module-bluez5-device>
argument: <path=/org/bluez/hci0/dev_98_52_3D_9D_37_DF autodetect_mtu=0 output_rate_refresh_interval_ms=500 avrcp_absolute_volume=1>
used: 1
load once: no
properties:
module.author = "João Paulo Rechi Vita"
module.description = "BlueZ 5 Bluetooth audio sink and source"
module.version = "16.1"
1 sink(s) available.
* index: 3
name: <bluez_sink.98_52_3D_9D_37_DF.a2dp_sink>
driver: <module-bluez5-device.c>
flags: HARDWARE HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
state: RUNNING
suspend cause: (none)
priority: 9550
volume: front-left: 0 / 0% / -inf dB, front-right: 0 / 0% / -inf dB
balance 0.00
base volume: 65536 / 100% / 0.00 dB
volume steps: 128
muted: yes
current latency: 50.20 ms
max request: 2 KiB
max rewind: 0 KiB
monitor source: 3
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 1
linked by: 1
fixed latency: 39.51 ms
card: 2 <bluez_card.98_52_3D_9D_37_DF>
module: 25
properties:
bluetooth.protocol = "a2dp_sink"
bluetooth.codec = "sbc"
device.description = "SRS-XB12"
device.string = "98:52:3D:9D:37:DF"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "speaker"
bluez.path = "/org/bluez/hci0/dev_98_52_3D_9D_37_DF"
bluez.class = "0x240414"
bluez.alias = "SRS-XB12"
device.icon_name = "audio-speakers-bluetooth"
ports:
speaker-output: Speaker (priority 0, latency offset 0 usec, available: yes)
properties:
active port: <speaker-output>
1 source(s) available.
* index: 3
name: <bluez_sink.98_52_3D_9D_37_DF.a2dp_sink.monitor>
driver: <module-bluez5-device.c>
flags: DECIBEL_VOLUME LATENCY
state: IDLE
suspend cause: (none)
priority: 1550
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: 39.51 ms
monitor_of: 3
card: 2 <bluez_card.98_52_3D_9D_37_DF>
module: 25
properties:
device.description = "Monitor of SRS-XB12"
device.class = "monitor"
device.string = "98:52:3D:9D:37:DF"
device.api = "bluez"
device.bus = "bluetooth"
device.form_factor = "speaker"
bluez.path = "/org/bluez/hci0/dev_98_52_3D_9D_37_DF"
bluez.class = "0x240414"
bluez.alias = "SRS-XB12"
device.icon_name = "audio-speakers-bluetooth"
8 client(s) logged in.
index: 0
driver: <module-systemd-login.c>
owner module: 17
properties:
application.name = "Login Session 1"
systemd-login.session = "1"
index: 1
driver: <protocol-native.c>
owner module: 10
properties:
application.name = "Plasma PA"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.id = "org.kde.plasma-pa"
application.icon_name = "audio-card"
application.process.id = "1845"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "plasmashell"
application.language = "en_GB.UTF-8"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
index: 4
driver: <protocol-native.c>
owner module: 10
properties:
application.name = "speech-dispatcher-dummy"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.process.id = "3177"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "sd_dummy"
application.language = "C"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
index: 654
driver: <protocol-native.c>
owner module: 10
properties:
application.name = "QPulse"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.process.id = "2026"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "kdeconnectd"
application.language = "en_GB.UTF-8"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
index: 2302
driver: <protocol-native.c>
owner module: 10
properties:
application.name = "libcanberra"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.version = "0.30"
application.id = "org.freedesktop.libcanberra"
application.process.id = "1845"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "plasmashell"
application.language = "en_GB.UTF-8"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
index: 2873
driver: <protocol-native.c>
owner module: 10
properties:
application.name = "Firefox"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.process.id = "2349"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "firefox-esr"
application.language = "en_GB.UTF-8"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
application.icon_name = "firefox-esr"
index: 4216
driver: <protocol-native.c>
owner module: 10
properties:
application.name = "Firefox"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.icon_name = "firefox-esr"
application.version = "115.10.0"
application.process.id = "2349"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "firefox-esr"
application.language = "en_GB.UTF-8"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
index: 4764
driver: <cli.c>
owner module: 23
properties:
application.name = "UNIX socket client"
2 card(s) available.
index: 0
name: <alsa_card.pci-0000_01_00.1>
driver: <module-alsa-card.c>
owner module: 6
properties:
alsa.card = "1"
alsa.card_name = "HDA NVidia"
alsa.long_card_name = "HDA NVidia at 0x60080000 irq 17"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:01:00.1"
sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1"
device.bus = "pci"
device.vendor.id = "10de"
device.vendor.name = "NVIDIA Corporation"
device.product.id = "22be"
device.string = "1"
device.description = "HDA NVidia"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
profiles:
output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 5900, available: no)
output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (priority 800, available: no)
output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (priority 800, available: no)
output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (priority 5700, available: no)
output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (priority 600, available: no)
output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (priority 600, available: no)
output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (priority 5700, available: no)
output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (priority 600, available: no)
output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (priority 600, available: no)
output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) Output (priority 5700, available: no)
output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) Output (priority 600, available: no)
output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) Output (priority 600, available: no)
off: Off (priority 0, available: unknown)
active profile: <off>
ports:
hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
index: 2
name: <bluez_card.98_52_3D_9D_37_DF>
driver: <module-bluez5-device.c>
owner module: 25
properties:
device.description = "SRS-XB12"
device.string = "98:52:3D:9D:37:DF"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "speaker"
bluez.path = "/org/bluez/hci0/dev_98_52_3D_9D_37_DF"
bluez.class = "0x240414"
bluez.alias = "SRS-XB12"
device.icon_name = "audio-speakers-bluetooth"
bluetooth.codec = "sbc"
profiles:
a2dp_sink: High Fidelity Playback (A2DP Sink) (priority 40, available: yes)
handsfree_head_unit: Handsfree Head Unit (HFP) (priority 30, available: unknown)
off: Off (priority 0, available: yes)
active profile: <a2dp_sink>
sinks:
bluez_sink.98_52_3D_9D_37_DF.a2dp_sink/#3: SRS-XB12
sources:
bluez_sink.98_52_3D_9D_37_DF.a2dp_sink.monitor/#3: Monitor of SRS-XB12
ports:
speaker-output: Speaker (priority 0, latency offset 0 usec, available: yes)
properties:
speaker-input: Bluetooth Input (priority 0, latency offset 0 usec, available: unknown)
properties:
1 sink input(s) available.
index: 2
driver: <protocol-native.c>
flags:
state: RUNNING
sink: 3 <bluez_sink.98_52_3D_9D_37_DF.a2dp_sink>
volume: mono: 65536 / 100% / 0.00 dB
balance 0.00
muted: no
current latency: 0.00 ms
requested latency: 39.51 ms
sample spec: s16le 1ch 44100Hz
channel map: mono
Mono
resample method: copy
module: 10
client: 4 <speech-dispatcher-dummy>
properties:
media.name = "playback"
application.name = "speech-dispatcher-dummy"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.process.id = "3177"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "sd_dummy"
application.language = "C"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
module-stream-restore.id = "sink-input-by-application-name:speech-dispatcher-dummy"
0 source output(s) available.
1 cache entrie(s) available.
name: <audio-volume-change>
index: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
length: 11776
duration: 0.1 s
volume: n/a
balance 0.00
lazy: no
filename: <n/a>
properties:
media.role = "event"
event.id = "audio-volume-change"
event.description = "Volume Control Feedback Sound"
media.name = "audio-volume-change"
media.filename = "/usr/share/sounds/freedesktop/stereo/audio-volume-change.oga"
application.name = "libcanberra"
native-protocol.peer = "UNIX socket client"
native-protocol.version = "35"
application.version = "0.30"
application.id = "org.freedesktop.libcanberra"
application.process.id = "1845"
application.process.user = "davide"
application.process.host = "debian"
application.process.binary = "plasmashell"
application.language = "en_GB.UTF-8"
window.x11.display = ":0"
application.process.machine_id = "6a0ffec0ac2c48bda9d63587045d0b37"
application.process.session_id = "1"
