!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Fri Nov 7 21:40:24 UTC 2025 !!Linux Distribution !!------------------ Ubuntu 24.04.3 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 24.04.3 LTS" PRETTY_NAME="Ubuntu 24.04.3 LTS" 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=noble LOGO=ubuntu-logo !!DMI Information !!--------------- Manufacturer: QEMU Product Name: Standard PC (i440FX PIIX, 1996) Product Version: pc-i440fx-10.0 Firmware Version: rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- /sys/bus/acpi/devices/LNXCPU:00/status 15 /sys/bus/acpi/devices/LNXCPU:01/status 15 /sys/bus/acpi/devices/LNXCPU:02/status 15 /sys/bus/acpi/devices/LNXCPU:03/status 15 /sys/bus/acpi/devices/LNXCPU:04/status 15 /sys/bus/acpi/devices/LNXCPU:05/status 15 /sys/bus/acpi/devices/LNXCPU:06/status 15 /sys/bus/acpi/devices/LNXCPU:07/status 15 /sys/bus/acpi/devices/PNP0103:00/status 15 /sys/bus/acpi/devices/PNP0303:00/status 15 /sys/bus/acpi/devices/PNP0A06:01/status 11 /sys/bus/acpi/devices/PNP0A06:02/status 11 /sys/bus/acpi/devices/PNP0C0F:00/status 11 /sys/bus/acpi/devices/PNP0C0F:01/status 11 /sys/bus/acpi/devices/PNP0C0F:02/status 11 /sys/bus/acpi/devices/PNP0C0F:03/status 11 /sys/bus/acpi/devices/PNP0C0F:04/status 11 /sys/bus/acpi/devices/PNP0F13:00/status 15 /sys/bus/acpi/devices/QEMU0002:00/status 11 /sys/bus/acpi/devices/QEMUVGID:00/status 15 !!Kernel Information !!------------------ Kernel release: #87-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 22 18:03:36 UTC 2025 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.8.0-86-generic Library version: Utilities version: 1.2.9 !!Loaded ALSA modules !!------------------- snd_usb_audio (card 1) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [UACDemoV10 ]: USB-Audio - UACDemoV1.0 Jieli Technology UACDemoV1.0 at usb-0000:02:1b.0-1, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: 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 midi2_enable : Y midi2_ump_probe : 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 4c4a:4155 Jieli Technology UACDemoV1.0 Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 1.10 bDeviceClass 0 [unknown] bDeviceSubClass 0 [unknown] bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x4c4a Jieli Technology idProduct 0x4155 UACDemoV1.0 bcdDevice 1.00 iManufacturer 1 Jieli Technology iProduct 2 UACDemoV1.0 iSerial 3 4150344C36313516 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 0x0087 bNumInterfaces 3 bConfigurationValue 1 iConfiguration 0 bmAttributes 0x80 (Bus Powered) MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 8 USBAudio2.0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 0x0028 bInCollection 1 baInterfaceNr(0) 1 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0101 USB Streaming bAssocTerminal 0 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 2 bSourceID 1 bControlSize 1 bmaControls(0) 0x01 Mute Control bmaControls(1) 0x02 Volume Control bmaControls(2) 0x02 Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 3 wTerminalType 0x0301 Speaker bAssocTerminal 0 bSourceID 2 iTerminal 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 1 bDelay 1 frames wFormatTag 0x0001 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x03 EP 3 OUT bmAttributes 9 Transfer Type Isochronous Synch Type Adaptive Usage Type Data wMaxPacketSize 0x00c4 1x 196 bytes bInterval 1 bRefresh 0 bSynchAddress 0 AudioStreaming Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bLockDelayUnits 0 Undefined wLockDelay 0x0000 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 [unknown] bInterfaceProtocol 0 iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.00 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 51 Report Descriptors: ** UNAVAILABLE ** Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0008 1x 8 bytes bInterval 10 Device Status: 0x0000 (Bus Powered) --endcollapse-- !!USB Stream information !!---------------------- --startcollapse-- Jieli Technology UACDemoV1.0 at usb-0000:02:1b.0-1, full speed : USB Audio Playback: Status: Stop Interface 1 Altset 1 Format: S16_LE Channels: 2 Endpoint: 0x03 (3 OUT) (ADAPTIVE) Rates: 48000 Bits: 16 Channel map: FL FR --endcollapse-- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x4c4a4155, ctrlif=0, ctlerr=0 Card: Jieli Technology UACDemoV1.0 at usb-0000:02:1b.0-1, full speed Unit: 2 Control: name="PCM Playback Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-7264, max=-241, dBmin=-2837, dBmax=-94 Unit: 2 Control: name="PCM Playback Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Nov 3 05:36 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 2 Nov 8 06:00 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Nov 3 05:36 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Nov 3 05:36 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Nov 3 05:36 . drwxr-xr-x 4 root root 160 Nov 3 05:36 .. lrwxrwxrwx 1 root root 12 Nov 3 05:36 usb-Jieli_Technology_UACDemoV1.0_4150344C36313516-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Nov 3 05:36 . drwxr-xr-x 4 root root 160 Nov 3 05:36 .. lrwxrwxrwx 1 root root 12 Nov 3 05:36 pci-0000:02:1b.0-usb-0:1:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Nov 3 05:36 pci-0000:02:1b.0-usbv2-0:1:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: UACDemoV10 [UACDemoV1.0], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card UACDemoV10 Card sysdefault:1 'UACDemoV10'/'Jieli Technology UACDemoV1.0 at usb-0000:02:1b.0-1, full speed' Mixer name : 'USB Mixer' Components : 'USB4c4a:4155' Controls : 3 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 147 Mono: Front Left: Playback 115 [78%] [-6.92dB] [on] Front Right: Playback 115 [78%] [-6.92dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.UACDemoV10 { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Volume' value.0 115 value.1 115 comment { access 'read write' type INTEGER count 2 range '0 - 147' dbmin -2837 dbmax -94 dbvalue.0 -692 dbvalue.1 -692 } } } --endcollapse-- !!All Loaded Modules !!------------------ aesni_intel async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 binfmt_misc blake2b_generic bochs btrfs cfg80211 cpuid cryptd crypto_simd dm_multipath dmi_sysfs drm_ttm_helper drm_vram_helper efi_pstore floppy hid hid_generic i2c_piix4 input_leds ip_tables joydev libcrc32c mac_hid mc nfnetlink pata_acpi psmouse qemu_fw_cfg raid0 raid1 raid10 raid456 raid6_pq sch_fq_codel serio_raw sha1_ssse3 sha256_ssse3 snd snd_hwdep snd_pcm snd_rawmidi snd_seq snd_seq_device snd_seq_midi snd_seq_midi_event snd_timer snd_ump snd_usb_audio snd_usbmidi_lib soundcore tls ttm usbhid vmgenid x_tables xhci_pci xhci_pci_renesas xor !!ALSA/HDA dmesg !!-------------- [ 2.096176] mc: Linux media interface: v0.10 [ 2.234859] usbcore: registered new interface driver snd-usb-audio [ 2.516927] workqueue: drm_fb_helper_damage_work hogged CPU for >10000us 16 times, consider switching to WQ_UNBOUND !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.10-1ubuntu5.7 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.9-1ubuntu5 amd64 Utilities for configuring and using ALSA