________________ > pulseaudio_ps_do gdm 1289 0.0 0.0 823400 24888 ? S which pulseaudio /usr/bin/pulseaudio ________________ > pidof pulseaudio 1687 1289 ________________ > pulseaudio --version pulseaudio 15.99.1 ________________ > pactl info Server String: /run/user/1000/pulse/native Library Protocol Version: 35 Server Protocol Version: 35 Is Local: yes Client Index: 2 Tile Size: 65472 User Name: dan Host Name: nine Server Name: pulseaudio Server Version: 15.99.1 Default Sample Specification: s16le 2ch 44100Hz Default Channel Map: front-left,front-right Default Sink: auto_null Default Source: auto_null.monitor Cookie: ec76:5b27 ________________ > pactl list Module #0 Name: module-device-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore the volume/mute state of devices" module.version = "15.99.1" Module #1 Name: module-stream-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore the volume/mute/device state of streams" module.version = "15.99.1" Module #2 Name: module-card-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore profile of cards" module.version = "15.99.1" Module #3 Name: module-augment-properties Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Augment the property sets of streams with additional static information" module.version = "15.99.1" Module #4 Name: module-switch-on-port-available Argument: Usage counter: n/a Properties: module.author = "David Henningsson" module.description = "Switches ports and profiles when devices are plugged/unplugged" module.version = "15.99.1" Module #5 Name: module-switch-on-connect Argument: Usage counter: n/a Properties: module.author = "Michael Terry" module.description = "When a sink/source is added, switch to it or conditionally switch to it" module.version = "15.99.1" Module #6 Name: module-udev-detect Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Detect available audio hardware and load matching drivers" module.version = "15.99.1" Module #7 Name: module-bluetooth-policy Argument: Usage counter: n/a Properties: module.author = "Frédéric Dalleau, Pali Rohár" module.description = "Policy module to make using bluetooth devices out-of-the-box easier" module.version = "15.99.1" Module #8 Name: module-bluetooth-discover Argument: Usage counter: n/a Properties: module.author = "João Paulo Rechi Vita" module.description = "Detect available Bluetooth daemon and load the corresponding discovery module" module.version = "15.99.1" Module #9 Name: module-bluez5-discover Argument: Usage counter: n/a 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 = "15.99.1" Module #10 Name: module-native-protocol-unix Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Native protocol (UNIX sockets)" module.version = "15.99.1" Module #11 Name: module-default-device-restore Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically restore the default sink and source" module.version = "15.99.1" Module #12 Name: module-always-sink Argument: Usage counter: n/a Properties: module.author = "Colin Guthrie" module.description = "Always keeps at least one sink loaded even if it's a null one" module.version = "15.99.1" Module #13 Name: module-null-sink Argument: sink_name=auto_null sink_properties='device.description="Dummy Output"' Usage counter: 0 Properties: module.author = "Lennart Poettering" module.description = "Clocked NULL sink" module.version = "15.99.1" Module #14 Name: module-intended-roles Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Automatically set device of streams based on intended roles of devices" module.version = "15.99.1" Module #15 Name: module-suspend-on-idle Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "When a sink/source is idle for too long, suspend it" module.version = "15.99.1" Module #16 Name: module-systemd-login Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Create a client for each login session of this user" module.version = "15.99.1" Module #17 Name: module-position-event-sounds Argument: Usage counter: n/a 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 = "15.99.1" Module #18 Name: module-role-cork Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Mute & cork streams with certain roles while others exist" module.version = "15.99.1" Module #19 Name: module-snap-policy Argument: Usage counter: n/a Properties: module.author = "Canonical Ltd" module.description = "Ubuntu Snap policy management" module.version = "15.99.1" Module #20 Name: module-filter-heuristics Argument: Usage counter: n/a Properties: module.author = "Colin Guthrie" module.description = "Detect when various filters are desirable" module.version = "15.99.1" Module #21 Name: module-filter-apply Argument: Usage counter: n/a Properties: module.author = "Colin Guthrie" module.description = "Load filter sinks automatically when needed" module.version = "15.99.1" Module #22 Name: module-cli-protocol-unix Argument: Usage counter: n/a Properties: module.author = "Lennart Poettering" module.description = "Command line interface protocol (UNIX sockets)" module.version = "15.99.1" Sink #0 State: SUSPENDED Name: auto_null Description: Dummy Output Driver: module-null-sink.c Sample Specification: s16le 2ch 44100Hz Channel Map: front-left,front-right Owner Module: 13 Mute: no 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 Monitor Source: auto_null.monitor Latency: 0 usec, configured 0 usec Flags: DECIBEL_VOLUME LATENCY SET_FORMATS Properties: device.description = "Dummy Output" device.class = "abstract" device.icon_name = "audio-card" Formats: pcm Source #0 State: SUSPENDED Name: auto_null.monitor Description: Monitor of Dummy Output Driver: module-null-sink.c Sample Specification: s16le 2ch 44100Hz Channel Map: front-left,front-right Owner Module: 13 Mute: no 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 Monitor of Sink: auto_null Latency: 0 usec, configured 0 usec Flags: DECIBEL_VOLUME LATENCY Properties: device.description = "Monitor of Dummy Output" device.class = "monitor" device.icon_name = "audio-input-microphone" Formats: pcm Client #0 Driver: module-systemd-login.c Owner Module: 16 Properties: application.name = "Login Session 2" systemd-login.session = "2" Client #3 Driver: protocol-native.c Owner Module: 10 Properties: application.name = "pactl" native-protocol.peer = "UNIX socket client" native-protocol.version = "35" application.process.id = "2668" application.process.user = "dan" application.process.host = "nine" application.process.binary = "pactl" application.language = "C" application.process.machine_id = "f035aa1f5c034a8bbba1f2ffac765965" application.process.session_id = "2" ________________ > cat /etc/pulse/daemon.conf # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . ## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; daemonize = no ; fail = yes ; allow-module-loading = yes ; allow-exit = yes ; use-pid-file = yes ; system-instance = no ; local-server-type = user ; enable-shm = yes ; enable-memfd = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; lock-memory = no ; cpu-limit = no ; high-priority = yes ; nice-level = -11 ; realtime-scheduling = yes ; realtime-priority = 5 ; exit-idle-time = 20 ; scache-idle-time = 20 ; dl-search-path = (depends on architecture) ; load-default-script-file = yes ; default-script-file = /etc/pulse/default.pa ; log-target = auto ; log-level = notice ; log-meta = no ; log-time = no ; log-backtrace = 0 ; resample-method = speex-float-1 ; avoid-resampling = false ; enable-remixing = yes ; remixing-use-all-sink-channels = yes ; remixing-produce-lfe = no ; remixing-consume-lfe = no ; lfe-crossover-freq = 0 ; flat-volumes = no ; rescue-streams = yes ; rlimit-fsize = -1 ; rlimit-data = -1 ; rlimit-stack = -1 ; rlimit-core = -1 ; rlimit-as = -1 ; rlimit-rss = -1 ; rlimit-nproc = -1 ; rlimit-nofile = 256 ; rlimit-memlock = -1 ; rlimit-locks = -1 ; rlimit-sigpending = -1 ; rlimit-msgqueue = -1 ; rlimit-nice = 31 ; rlimit-rtprio = 9 ; rlimit-rttime = 200000 ; default-sample-format = s16le ; default-sample-rate = 44100 ; alternate-sample-rate = 48000 ; default-sample-channels = 2 ; default-channel-map = front-left,front-right ; default-fragments = 4 ; default-fragment-size-msec = 25 ; enable-deferred-volume = yes deferred-volume-safety-margin-usec = 1 ; deferred-volume-extra-delay-usec = 0 ________________ > cat /etc/pulse/client.conf # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . ## Configuration file for PulseAudio clients. See pulse-client.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; default-sink = ; default-source = ; default-server = ; default-dbus-server = ; autospawn = yes ; daemon-binary = /usr/bin/pulseaudio ; extra-arguments = --log-target=syslog ; cookie-file = ; enable-shm = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; auto-connect-localhost = no ; auto-connect-display = no ________________ > cat /etc/pulse/default.pa #!/usr/bin/pulseaudio -nF # # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . # This startup script is used only if PulseAudio is started per-user # (i.e. not in system mode) .fail ### Automatically restore the volume of streams and devices load-module module-device-restore load-module module-stream-restore load-module module-card-restore ### Automatically augment property information from .desktop files ### stored in /usr/share/application load-module module-augment-properties ### Should be after module-*-restore but before module-*-detect load-module module-switch-on-port-available ### Use hot-plugged devices like Bluetooth or USB automatically (LP: #1702794) .ifexists module-switch-on-connect.so load-module module-switch-on-connect .endif ### Load audio drivers statically ### (it's probably better to not load these drivers manually, but instead ### use module-udev-detect -- see below -- for doing this automatically) #load-module module-alsa-sink #load-module module-alsa-source device=hw:1,0 #load-module module-oss device="/dev/dsp" sink_name=output source_name=input #load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input #load-module module-null-sink #load-module module-pipe-sink ### Automatically load driver modules depending on the hardware available .ifexists module-udev-detect.so load-module module-udev-detect .else ### Use the static hardware detection module (for systems that lack udev support) load-module module-detect .endif ### Automatically connect sink and source if JACK server is present .ifexists module-jackdbus-detect.so .nofail load-module module-jackdbus-detect channels=2 .fail .endif ### Automatically load driver modules for Bluetooth hardware .ifexists module-bluetooth-policy.so load-module module-bluetooth-policy .endif .ifexists module-bluetooth-discover.so load-module module-bluetooth-discover .endif ### Load several protocols .ifexists module-esound-protocol-unix.so load-module module-esound-protocol-unix .endif load-module module-native-protocol-unix ### Network access (may be configured with paprefs, so leave this commented ### here if you plan to use paprefs) #load-module module-esound-protocol-tcp #load-module module-native-protocol-tcp #load-module module-zeroconf-publish ### Load the RTP receiver module (also configured via paprefs, see above) #load-module module-rtp-recv ### Load the RTP sender module (also configured via paprefs, see above) #load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'" #load-module module-rtp-send source=rtp.monitor ### Load additional modules from GSettings. This can be configured with the paprefs tool. ### Please keep in mind that the modules configured by paprefs might conflict with manually ### loaded modules. .ifexists module-gsettings.so .nofail load-module module-gsettings .fail .endif ### Automatically restore the default sink/source when changed by the user ### during runtime ### NOTE: This should be loaded as early as possible so that subsequent modules ### that look up the default sink/source get the right value load-module module-default-device-restore ### Make sure we always have a sink around, even if it is a null sink. load-module module-always-sink ### Honour intended role device property load-module module-intended-roles ### Automatically suspend sinks/sources that become idle for too long load-module module-suspend-on-idle ### If autoexit on idle is enabled we want to make sure we only quit ### when no local session needs us anymore. .ifexists module-console-kit.so load-module module-console-kit .endif .ifexists module-systemd-login.so load-module module-systemd-login .endif ### Enable positioned event sounds load-module module-position-event-sounds ### Cork music/video streams when a phone stream is active load-module module-role-cork ### Block audio recording for snap confined packages unless they have ### the "pulseaudio" or "audio-record" interfaces plugged. .ifexists module-snap-policy.so load-module module-snap-policy .endif ### Modules to allow autoloading of filters (such as echo cancellation) ### on demand. module-filter-heuristics tries to determine what filters ### make sense, and module-filter-apply does the heavy-lifting of ### loading modules and rerouting streams. load-module module-filter-heuristics load-module module-filter-apply ### Make some devices default #set-default-sink output #set-default-source input ### Allow including a default.pa.d directory, which if present, can be used ### for additional configuration snippets. ### Note that those snippet files must have a .pa file extension, not .conf .nofail .include /etc/pulse/default.pa.d ________________ > cat /etc/pulse/system.pa #!/usr/bin/pulseaudio -nF # # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . # This startup script is used only if PulseAudio is started in system # mode. ### Automatically restore the volume of streams and devices load-module module-device-restore load-module module-stream-restore load-module module-card-restore ### Automatically load driver modules depending on the hardware available .ifexists module-udev-detect.so load-module module-udev-detect .else ### Use the static hardware detection module (for systems that lack udev/hal support) load-module module-detect .endif ### Load several protocols .ifexists module-esound-protocol-unix.so load-module module-esound-protocol-unix .endif load-module module-native-protocol-unix ### Automatically restore the default sink/source when changed by the user ### during runtime ### NOTE: This should be loaded as early as possible so that subsequent modules ### that look up the default sink/source get the right value load-module module-default-device-restore ### Make sure we always have a sink around, even if it is a null sink. load-module module-always-sink ### Automatically suspend sinks/sources that become idle for too long load-module module-suspend-on-idle ### Enable positioned event sounds load-module module-position-event-sounds ### Allow including a system.pa.d directory, which if present, can be used ### for additional configuration snippets. ### Note that those snippet files must have a .pa file extension, not .conf .nofail .include /etc/pulse/system.pa.d ________________ > ls -alt /dev/snd/* crw-rw----+ 1 root audio 116, 2 Mar 22 16:35 /dev/snd/pcmC1D0p crw-rw----+ 1 root audio 116, 3 Mar 22 16:34 /dev/snd/controlC1 crw-rw----+ 1 root audio 116, 33 Mar 22 16:34 /dev/snd/timer crw-rw----+ 1 root audio 116, 1 Mar 22 16:34 /dev/snd/seq /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 22 16:34 . drwxr-xr-x 4 root root 160 Mar 22 16:34 .. lrwxrwxrwx 1 root root 12 Mar 22 16:34 pci-0000:00:14.0-usb-0:4:1.2 -> ../controlC1 /dev/snd/by-id: total 0 drwxr-xr-x 4 root root 160 Mar 22 16:34 .. drwxr-xr-x 2 root root 60 Mar 22 16:34 . lrwxrwxrwx 1 root root 12 Mar 22 16:34 usb-DisplayLink_USB3_TO_HDMI_KING271106037-02 -> ../controlC1 ________________ > lsof /dev/snd/* lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/126/gvfs Output information may be incomplete. ________________ > jacks_do card=1 Invalid card number '1'. ________________ > aplay -L null Discard all samples (playback) or generate zero samples (capture) default Playback/recording through the PulseAudio sound server samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio Connection Kit oss Open Sound System pulse PulseAudio Sound Server upmix Plugin for channel upmix (4,6,8) vdownmix Plugin for channel downmix (stereo) with a simple spacialization ________________ > arecord -L null Discard all samples (playback) or generate zero samples (capture) default Playback/recording through the PulseAudio sound server samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio Connection Kit oss Open Sound System pulse PulseAudio Sound Server upmix Plugin for channel upmix (4,6,8) vdownmix Plugin for channel downmix (stereo) with a simple spacialization ________________ > alsa_info_do /usr/sbin/alsa-info: line 661: tree: command not found dmesg: read kernel buffer failed: Operation not permitted upload=true&script=true&cardinfo= !!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Tue Mar 22 08:36:15 UTC 2022 !!Linux Distribution !!------------------ Ubuntu Jammy Jellyfish (development branch) \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu Jammy Jellyfish (development branch)" PRETTY_NAME="Ubuntu Jammy Jellyfish (development branch)" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=jammy !!DMI Information !!--------------- Manufacturer: Intel(R) Client Systems Product Name: NUC9i7QNX Product Version: K49244-403 Firmware Version: QXCFL579.0034.2019.1125.1436 System SKU: BXNUC9i7QNX Board Vendor: Intel Corporation Board Name: NUC9i7QNB !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/ACPI000C:00/status 15 /sys/bus/acpi/devices/ACPI000E:00/status 15 /sys/bus/acpi/devices/INT0E0C:00/status 15 /sys/bus/acpi/devices/INT33A1:00/status 15 /sys/bus/acpi/devices/INT340E:00/status 15 /sys/bus/acpi/devices/INT3450:00/status 15 /sys/bus/acpi/devices/INT3F0D:00/status 15 /sys/bus/acpi/devices/LNXPOWER:00/status 1 /sys/bus/acpi/devices/LNXPOWER:01/status 1 /sys/bus/acpi/devices/LNXPOWER:02/status 1 /sys/bus/acpi/devices/LNXPOWER:04/status 15 /sys/bus/acpi/devices/LNXPOWER:05/status 1 /sys/bus/acpi/devices/LNXPOWER:06/status 1 /sys/bus/acpi/devices/LNXPOWER:07/status 1 /sys/bus/acpi/devices/LNXPOWER:08/status 1 /sys/bus/acpi/devices/LNXPOWER:09/status 1 /sys/bus/acpi/devices/LNXPOWER:0b/status 1 /sys/bus/acpi/devices/MSFT0101:00/status 15 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0C02:04/status 3 /sys/bus/acpi/devices/PNP0C02:06/status 3 /sys/bus/acpi/devices/PNP0C04:00/status 31 /sys/bus/acpi/devices/PNP0C09:00/status 15 /sys/bus/acpi/devices/PNP0C0C:00/status 15 /sys/bus/acpi/devices/PNP0C0E:00/status 11 /sys/bus/acpi/devices/PNP0C0F:00/status 9 /sys/bus/acpi/devices/PNP0C0F:01/status 9 /sys/bus/acpi/devices/PNP0C0F:02/status 9 /sys/bus/acpi/devices/PNP0C0F:03/status 9 /sys/bus/acpi/devices/PNP0C0F:04/status 9 /sys/bus/acpi/devices/PNP0C0F:05/status 9 /sys/bus/acpi/devices/PNP0C0F:06/status 9 /sys/bus/acpi/devices/PNP0C0F:07/status 9 /sys/bus/acpi/devices/PRP00001:00/status 11 /sys/bus/acpi/devices/USBC000:00/status 15 !!Kernel Information !!------------------ Kernel release: 5.15.0-23-generic Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.0-23-generic Library version: 1.2.6.1 Utilities version: 1.2.6 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 1) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 1 [HDMI ]: USB-Audio - USB3 TO HDMI DisplayLink USB3 TO HDMI at usb-0000:00:14.0-4, super speed !!PCI Soundcards installed in the system !!-------------------------------------- 00:1f.3 Audio device [0403]: Intel Corporation Cannon Lake PCH cAVS [8086:a348] (rev 10) (prog-if 80) Subsystem: Intel Corporation Cannon Lake PCH cAVS [8086:2089] 01:00.1 Audio device [0403]: NVIDIA Corporation GP108 High Definition Audio Controller [10de:0fb8] (rev a1) Subsystem: Micro-Star International Co., Ltd. [MSI] GP108 High Definition Audio Controller [1462:8c98] !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card1 Driver: /sys/bus/usb/drivers/snd-usb-audio Tree: !!USB Descriptors !!--------------- --startcollapse-- Bus 002 Device 002: ID 17e9:4301 DisplayLink USB3 TO HDMI Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.20 bDeviceClass 239 Miscellaneous Device bDeviceSubClass 2 bDeviceProtocol 1 Interface Association bMaxPacketSize0 9 idVendor 0x17e9 DisplayLink idProduct 0x4301 bcdDevice 32.97 iManufacturer 1 DisplayLink iProduct 2 USB3 TO HDMI iSerial 3 KING271106037 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x014a bNumInterfaces 5 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 504mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 3 iInterface 0 ** UNRECOGNIZED: 0c 5f 01 00 0a 00 04 04 01 00 04 00 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x02 EP 2 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x84 EP 4 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0400 1x 1024 bytes bInterval 0 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 254 Application Specific Interface bInterfaceSubClass 1 Device Firmware Update bInterfaceProtocol 1 iInterface 0 Device Firmware Upgrade Interface Descriptor: bLength 9 bDescriptorType 33 bmAttributes 1 Will Not Detach Manifestation Intolerant Upload Unsupported Download Supported wDetachTimeout 200 milliseconds wTransferSize 16384 bytes bcdDFUVersion 1.01 ** UNRECOGNIZED: 10 40 0a 0c 61 06 04 00 45 6c 6c 61 44 6f 63 6b Interface Association: bLength 8 bDescriptorType 11 bFirstInterface 2 bInterfaceCount 3 bFunctionClass 1 Audio bFunctionSubClass 0 bFunctionProtocol 32 iFunction 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 32 iInterface 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 2.00 bCategory 11 wTotalLength 0x0058 bmControls 0x00 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 13 bCSourceID 11 bmControls 0x0004 Connector Control (read-only) iTerminal 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 10 bmAttributes 1 Internal fixed clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 10 (CLOCK_SOURCE) bClockID 11 bmAttributes 1 Internal fixed clock bmControls 0x07 Clock Frequency Control (read/write) Clock Validity Control (read-only) bAssocTerminal 0 iClockSource 0 AudioControl Interface Descriptor: bLength 17 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 12 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bCSourceID 11 bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 bmControls 0x0000 iTerminal 4 AudioControl Interface Descriptor: bLength 34 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 13 bSourceID 12 bmaControls(0) 0x00000000 bmaControls(1) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(2) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(3) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(4) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(5) 0x0000000f Mute Control (read/write) Volume Control (read/write) bmaControls(6) 0x0000000f Mute Control (read/write) Volume Control (read/write) iFeature 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0006 1x 6 bytes bInterval 8 bMaxBurst 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 12 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 6 bmChannelConfig 0x0000003f Front Left (FL) Front Right (FR) Front Center (FC) Low Frequency Effects (LFE) Back Left (BL) Back Right (BR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x09 EP 9 OUT bmAttributes 13 Transfer Type Isochronous Synch Type Synchronous Usage Type Data wMaxPacketSize 0x0240 1x 576 bytes bInterval 4 bMaxBurst 0 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 1 Milliseconds wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 2 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 AudioStreaming Interface Descriptor: bLength 16 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 12 bmControls 0x00 bFormatType 1 bmFormats 0x00000001 PCM bNrChannels 2 bmChannelConfig 0x00000003 Front Left (FL) Front Right (FR) iChannelNames 0 AudioStreaming Interface Descriptor: bLength 6 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bSubslotSize 2 bBitResolution 16 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x09 EP 9 OUT bmAttributes 13 Transfer Type Isochronous Synch Type Synchronous Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 4 bMaxBurst 0 AudioStreaming Endpoint Descriptor: bLength 8 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bmControls 0x00 bLockDelayUnits 1 Milliseconds wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 4 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 32 iInterface 0 --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- DisplayLink USB3 TO HDMI at usb-0000:00:14.0-4, super speed : USB Audio Playback: Status: Stop Interface 3 Altset 1 Format: S16_LE Channels: 6 Endpoint: 0x09 (9 OUT) (SYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR FC LFE RL RR Interface 3 Altset 2 Format: S16_LE Channels: 2 Endpoint: 0x09 (9 OUT) (SYNC) Rates: 48000 Data packet interval: 1000 us Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x17e94301, ctrlif=2, ctlerr=0 Card: DisplayLink USB3 TO HDMI at usb-0000:00:14.0-4, super speed Unit: 4 Control: name="Speaker - Output Jack", index=0 Info: id=4, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Clock Source 11 Validity", index=0 Info: id=11, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 13 Control: name="HDMI 0 Audio Output Playback Volume", index=0 Info: id=13, control=2, cmask=0x3f, channels=6, type="S16" Volume: min=-8176, max=0, dBmin=-3193, dBmax=0 Unit: 13 Control: name="HDMI 0 Audio Output Playback Switch", index=0 Info: id=13, control=1, cmask=0x3f, channels=6, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw----+ 1 root audio 116, 3 Mar 22 16:34 /dev/snd/controlC1 crw-rw----+ 1 root audio 116, 2 Mar 22 16:35 /dev/snd/pcmC1D0p crw-rw----+ 1 root audio 116, 1 Mar 22 16:34 /dev/snd/seq crw-rw----+ 1 root audio 116, 33 Mar 22 16:34 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 22 16:34 . drwxr-xr-x 4 root root 160 Mar 22 16:34 .. lrwxrwxrwx 1 root root 12 Mar 22 16:34 usb-DisplayLink_USB3_TO_HDMI_KING271106037-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 22 16:34 . drwxr-xr-x 4 root root 160 Mar 22 16:34 .. lrwxrwxrwx 1 root root 12 Mar 22 16:34 pci-0000:00:14.0-usb-0:4:1.2 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:274: no soundcards found... ARECORD arecord: device_list:274: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card HDMI Invalid card number 'HDMI'. Invalid card number 'HDMI'. !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ 8250_dw acpi_pad acpi_tad aesni_intel af_alg ahci algif_hash algif_skcipher autofs4 bluetooth bnep btbcm btintel btrtl btusb cec cfg80211 cmac coretemp crc32_pclmul crct10dif_pclmul cryptd crypto_simd dca drm drm_kms_helper drm_ttm_helper e1000e ecc ecdh_generic ee1004 efi_pstore evdi fb_sys_fops ghash_clmulni_intel hid hid_generic hid_lenovo i2c_algo_bit i2c_i801 i2c_smbus i915 idma64 igb input_leds intel_cstate intel_lpss intel_lpss_pci intel_pch_thermal intel_powerclamp intel_rapl_common intel_rapl_msr intel_tcc_cooling intel_wmi_thunderbolt ip_tables ipmi_devintf ipmi_msghandler iwlmvm iwlwifi kvm kvm_intel libahci libarc4 lp mac80211 mac_hid mc mei mei_hdcp mei_me msr mxm_wmi nls_iso8859_1 nouveau nvme nvme_core parport parport_pc pinctrl_cannonlake ppdev psmouse rapl rc_core rfcomm sch_fq_codel serio_raw snd snd_hwdep snd_pcm snd_rawmidi snd_seq_device snd_timer snd_usb_audio snd_usbmidi_lib soundcore syscopyarea sysfillrect sysimgblt thunderbolt ttm typec typec_displayport typec_ucsi ucsi_acpi usbhid video wmi wmi_bmof x86_pkg_temp_thermal x_tables xhci_pci xhci_pci_renesas !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.6.3-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.6-1ubuntu1 amd64 Utilities for configuring and using ALSA