Errors when running alsamixer "cannot open mixer: No such file or directory."

9 Jan 2022


      alsa-project/alsa-utils issue #136 was opened from tavishm:
Running `alsamixer` gives me this -
cannot open mixer: No such file or directory
`modinfo soundcore` -
filename:       /lib/modules/5.11.0-44-generic/kernel/sound/soundcore.ko
    alias:          char-major-14-*
    license:        GPL
    author:         Alan Cox
    description:    Core sound module
    srcversion:     16262E0FC229CA1AC4DC130
    depends:        
    retpoline:      Y
    intree:         Y
    name:           soundcore
    vermagic:       5.11.0-44-generic SMP mod_unload modversions 
    sig_id:         PKCS#7
    signer:         Build time autogenerated kernel key
    sig_key:        74:80:66:6F:7E:BD:C1:AA:16:67:E3:1E:84:67:92:79:81:D6:56:9F
    sig_hashalgo:   sha512
    signature:      0B:74:68:86:67:66:FA:CB:75:1C:F4:B8:13:F8:3E:C5:17:77:2A:8A:
    		C8:55:3D:4E:CB:A5:65:CC:65:3B:EC:8F:B0:22:B1:F2:76:C2:72:9C:
    		DF:8F:FC:6B:02:37:78:B9:B3:68:82:AD:57:96:D2:63:3C:BC:FD:36:
    		03:A3:35:A2:04:49:F8:C9:7B:5B:D2:FC:0B:94:23:2D:C8:67:AC:04:
    		7C:02:7F:91:40:22:DD:79:29:BF:AB:9D:FF:2C:7B:3E:37:69:DB:1B:
    		A7:CC:AB:FD:35:98:F9:23:29:84:C0:72:4D:C1:CE:B2:7F:EA:9F:57:
    		27:75:D7:C8:D5:B2:0A:62:99:6F:F0:3B:BD:EE:4D:0B:AA:24:45:E9:
    		9D:FF:84:34:E1:40:3A:E2:98:5E:EF:C2:4E:89:E4:35:99:AD:CF:A1:
    		BD:E6:48:48:42:63:E3:97:EA:70:43:2F:DE:B1:47:E3:94:8E:68:9F:
    		D0:41:51:4C:A2:33:FF:04:FF:30:32:8D:6B:48:B0:33:A8:68:3E:11:
    		24:BC:03:E7:CB:88:77:7C:A9:61:2B:26:0A:6C:37:9C:4B:74:14:A6:
    		1F:6A:A2:96:32:22:9A:A2:51:23:FF:8C:83:71:15:14:6F:6E:B8:C4:
    		34:70:98:3B:54:E8:2A:3A:56:CF:27:1B:41:34:52:19:4D:27:E4:46:
    		DF:86:A4:3B:B1:7B:E8:0E:9F:49:09:2D:48:48:FC:08:C0:C9:96:96:
    		AC:04:65:CF:01:B7:C6:EA:23:96:73:10:77:AC:AB:DF:5C:2E:E1:5C:
    		F8:B0:D6:56:2A:39:24:91:54:67:66:BE:A2:7D:11:F9:09:90:B4:5B:
    		B4:94:1B:D3:F2:DE:81:B1:AA:45:0D:F1:FE:30:E2:3F:0F:B6:9C:97:
    		03:12:9B:BB:BE:D9:89:2D:DE:28:0D:5E:18:52:70:23:0A:AC:BF:05:
    		4A:FE:FD:D9:F3:42:F6:5C:26:CD:4A:3B:57:1C:1A:AF:0C:DA:6A:AB:
    		6F:92:FC:92:F9:C5:48:19:53:CD:67:83:EF:98:DA:8B:E4:57:74:79:
    		03:AF:15:CE:27:52:29:FE:6A:7B:21:BC:ED:2D:84:43:3E:22:01:A5:
    		0C:D0:83:51:0F:B7:C0:6B:9F:A7:5A:73:46:26:21:B8:60:9F:13:86:
    		38:B7:05:BF:F9:E9:93:5E:11:43:CF:1E:95:28:AB:89:52:76:2B:BB:
    		48:7D:88:23:00:C7:E0:3B:BB:BC:CD:E3:B1:83:3C:25:CA:82:50:69:
    		10:B6:29:16:C0:4A:45:E0:3F:23:82:F3:01:12:6F:1C:56:A0:9B:38:
    		2E:FE:A9:8B:26:F2:D7:6F:16:63:05:A8
    parm:           preclaim_oss:int
`lspci -v` :
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Root Complex
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Root Complex
    	Flags: fast devsel, NUMA node 0
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 0
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) PCIe GPP Bridge (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 28, NUMA node 0
    	Bus: primary=00, secondary=01, subordinate=09, sec-latency=0
    	I/O behind bridge: 00007000-00007fff [size=4K]
    	Memory behind bridge: ef500000-ef7fffff [size=3M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	DeviceName:  Onboard IGD
    	Flags: fast devsel, NUMA node 0
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 0
00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) PCIe GPP Bridge (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 29, NUMA node 0
    	Bus: primary=00, secondary=0a, subordinate=0a, sec-latency=0
    	I/O behind bridge: 00006000-00006fff [size=4K]
    	Memory behind bridge: ee000000-ef0fffff [size=17M]
    	Prefetchable memory behind bridge: 00000000d0000000-00000000e1ffffff [size=288M]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 0
00:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 0
00:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 30, NUMA node 0
    	Bus: primary=00, secondary=0b, subordinate=0b, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: ef200000-ef4fffff [size=3M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 0
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 32, NUMA node 0
    	Bus: primary=00, secondary=0c, subordinate=0c, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: ef800000-ef8fffff [size=1M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 59)
    	Subsystem: Micro-Star International Co., Ltd. [MSI] FCH SMBus Controller
    	Flags: 66MHz, medium devsel, NUMA node 0
    	Kernel driver in use: piix4_smbus
    	Kernel modules: i2c_piix4, sp5100_tco
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
    	Subsystem: Micro-Star International Co., Ltd. [MSI] FCH LPC Bridge
    	Flags: bus master, 66MHz, medium devsel, latency 0, NUMA node 0
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 0
    	Flags: fast devsel, NUMA node 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 1
    	Flags: fast devsel, NUMA node 0
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 2
    	Flags: fast devsel, NUMA node 0
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 3
    	Flags: fast devsel, NUMA node 0
    	Kernel driver in use: k10temp
    	Kernel modules: k10temp
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 4
    	Flags: fast devsel, NUMA node 0
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 5
    	Flags: fast devsel, NUMA node 0
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 6
    	Flags: fast devsel, NUMA node 0
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 7
    	Flags: fast devsel, NUMA node 0
00:19.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 0
    	DeviceName:  Onboard LAN
    	Flags: fast devsel, NUMA node 0
00:19.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 1
    	Flags: fast devsel, NUMA node 0
00:19.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 2
    	Flags: fast devsel, NUMA node 0
00:19.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 3
    	Flags: fast devsel, NUMA node 0
    	Kernel driver in use: k10temp
    	Kernel modules: k10temp
00:19.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 4
    	Flags: fast devsel, NUMA node 0
00:19.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 5
    	Flags: fast devsel, NUMA node 0
00:19.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 6
    	Flags: fast devsel, NUMA node 0
00:19.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Data Fabric: Device 18h; Function 7
    	Flags: fast devsel, NUMA node 0
01:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] X399 Series Chipset USB 3.1 xHCI Controller (rev 02) (prog-if 30 [XHCI])
    	Subsystem: ASMedia Technology Inc. X399 Series Chipset USB 3.1 xHCI Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 46, NUMA node 0
    	Memory at ef7a0000 (64-bit, non-prefetchable) [size=32K]
    	Capabilities: <access denied>
    	Kernel driver in use: xhci_hcd
    	Kernel modules: xhci_pci
01:00.1 SATA controller: Advanced Micro Devices, Inc. [AMD] X399 Series Chipset SATA Controller (rev 02) (prog-if 01 [AHCI 1.0])
    	Subsystem: ASMedia Technology Inc. X399 Series Chipset SATA Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 47, NUMA node 0
    	Memory at ef780000 (32-bit, non-prefetchable) [size=128K]
    	Expansion ROM at ef700000 [disabled] [size=512K]
    	Capabilities: <access denied>
    	Kernel driver in use: ahci
    	Kernel modules: ahci
01:00.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] X399 Series Chipset PCIe Bridge (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 33, NUMA node 0
    	Bus: primary=01, secondary=02, subordinate=09, sec-latency=0
    	I/O behind bridge: 00007000-00007fff [size=4K]
    	Memory behind bridge: ef500000-ef6fffff [size=2M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 34, NUMA node 0
    	Bus: primary=02, secondary=03, subordinate=03, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: ef600000-ef6fffff [size=1M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 35, NUMA node 0
    	Bus: primary=02, secondary=04, subordinate=04, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: [disabled]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:03.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 37, NUMA node 0
    	Bus: primary=02, secondary=05, subordinate=05, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: [disabled]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 38, NUMA node 0
    	Bus: primary=02, secondary=06, subordinate=06, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: [disabled]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 40, NUMA node 0
    	Bus: primary=02, secondary=07, subordinate=07, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: [disabled]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:06.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 41, NUMA node 0
    	Bus: primary=02, secondary=08, subordinate=08, sec-latency=0
    	I/O behind bridge: 00007000-00007fff [size=4K]
    	Memory behind bridge: ef500000-ef5fffff [size=1M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
02:07.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 300 Series Chipset PCIe Port (rev 02) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 42, NUMA node 0
    	Bus: primary=02, secondary=09, subordinate=09, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: [disabled]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
03:00.0 USB controller: ASMedia Technology Inc. ASM2142 USB 3.1 Host Controller (prog-if 30 [XHCI])
    	Subsystem: Micro-Star International Co., Ltd. [MSI] ASM2142 USB 3.1 Host Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 25, NUMA node 0
    	Memory at ef600000 (64-bit, non-prefetchable) [size=32K]
    	Capabilities: <access denied>
    	Kernel driver in use: xhci_hcd
    	Kernel modules: xhci_pci
08:00.0 Ethernet controller: Intel Corporation I211 Gigabit Network Connection (rev 03)
    	Subsystem: Micro-Star International Co., Ltd. [MSI] I211 Gigabit Network Connection
    	Flags: bus master, fast devsel, latency 0, IRQ 24, NUMA node 0
    	Memory at ef500000 (32-bit, non-prefetchable) [size=128K]
    	I/O ports at 7000 [size=32]
    	Memory at ef520000 (32-bit, non-prefetchable) [size=16K]
    	Capabilities: <access denied>
    	Kernel driver in use: igb
    	Kernel modules: igb
0a:00.0 VGA compatible controller: NVIDIA Corporation GP102 [GeForce GTX 1080 Ti] (rev a1) (prog-if 00 [VGA controller])
    	Subsystem: NVIDIA Corporation GP102 [GeForce GTX 1080 Ti]
    	Flags: bus master, fast devsel, latency 0, IRQ 76, NUMA node 0
    	Memory at ee000000 (32-bit, non-prefetchable) [size=16M]
    	Memory at d0000000 (64-bit, prefetchable) [size=256M]
    	Memory at e0000000 (64-bit, prefetchable) [size=32M]
    	I/O ports at 6000 [size=128]
    	Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
    	Capabilities: <access denied>
    	Kernel driver in use: nvidia
    	Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
0a:00.1 Audio device: NVIDIA Corporation GP102 HDMI Audio Controller (rev a1)
    	Subsystem: NVIDIA Corporation GP102 HDMI Audio Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 10, NUMA node 0
    	Memory at ef080000 (32-bit, non-prefetchable) [size=16K]
    	Capabilities: <access denied>
    	Kernel modules: snd_hda_intel
0b:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Zeppelin/Raven/Raven2 PCIe Dummy Function
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Zeppelin/Raven/Raven2 PCIe Dummy Function
    	Flags: bus master, fast devsel, latency 0, NUMA node 0
    	Capabilities: <access denied>
0b:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Platform Security Processor
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Platform Security Processor
    	Flags: bus master, fast devsel, latency 0, IRQ 69, NUMA node 0
    	Memory at ef300000 (32-bit, non-prefetchable) [size=1M]
    	Memory at ef400000 (32-bit, non-prefetchable) [size=8K]
    	Capabilities: <access denied>
    	Kernel driver in use: ccp
    	Kernel modules: ccp
0b:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) USB 3.0 Host Controller (prog-if 30 [XHCI])
    	Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 00h-0fh) USB 3.0 Host Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 66, NUMA node 0
    	Memory at ef200000 (64-bit, non-prefetchable) [size=1M]
    	Capabilities: <access denied>
    	Kernel driver in use: xhci_hcd
    	Kernel modules: xhci_pci
0c:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Zeppelin/Renoir PCIe Dummy Function
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Zeppelin/Renoir PCIe Dummy Function
    	Flags: bus master, fast devsel, latency 0, NUMA node 0
    	Capabilities: <access denied>
0c:00.2 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 51) (prog-if 01 [AHCI 1.0])
    	Subsystem: Micro-Star International Co., Ltd. [MSI] FCH SATA Controller [AHCI mode]
    	Flags: bus master, fast devsel, latency 0, IRQ 54, NUMA node 0
    	Memory at ef808000 (32-bit, non-prefetchable) [size=4K]
    	Capabilities: <access denied>
    	Kernel driver in use: ahci
    	Kernel modules: ahci
0c:00.3 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) HD Audio Controller
    	Subsystem: Micro-Star International Co., Ltd. [MSI] Family 17h (Models 00h-0fh) HD Audio Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 10, NUMA node 0
    	Memory at ef800000 (32-bit, non-prefetchable) [size=32K]
    	Capabilities: <access denied>
    	Kernel modules: snd_hda_intel
40:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Root Complex
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Root Complex
    	Flags: fast devsel, NUMA node 1
40:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 1
40:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 1
40:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 1
40:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 1
40:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 1
40:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 43, NUMA node 1
    	Bus: primary=40, secondary=41, subordinate=41, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: cdc00000-cdefffff [size=3M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
40:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge
    	Flags: fast devsel, NUMA node 1
40:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0, IRQ 45, NUMA node 1
    	Bus: primary=40, secondary=42, subordinate=42, sec-latency=0
    	I/O behind bridge: [disabled]
    	Memory behind bridge: cdf00000-cdffffff [size=1M]
    	Prefetchable memory behind bridge: [disabled]
    	Capabilities: <access denied>
    	Kernel driver in use: pcieport
41:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Zeppelin/Raven/Raven2 PCIe Dummy Function
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Zeppelin/Raven/Raven2 PCIe Dummy Function
    	Flags: bus master, fast devsel, latency 0, NUMA node 1
    	Capabilities: <access denied>
41:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Platform Security Processor
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) Platform Security Processor
    	Flags: bus master, fast devsel, latency 0, IRQ 72, NUMA node 1
    	Memory at cdd00000 (32-bit, non-prefetchable) [size=1M]
    	Memory at cde00000 (32-bit, non-prefetchable) [size=8K]
    	Capabilities: <access denied>
    	Kernel driver in use: ccp
    	Kernel modules: ccp
41:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) USB 3.0 Host Controller (prog-if 30 [XHCI])
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-0fh) USB 3.0 Host Controller
    	Flags: bus master, fast devsel, latency 0, IRQ 68, NUMA node 1
    	Memory at cdc00000 (64-bit, non-prefetchable) [size=1M]
    	Capabilities: <access denied>
    	Kernel driver in use: xhci_hcd
    	Kernel modules: xhci_pci
42:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Zeppelin/Renoir PCIe Dummy Function
    	Subsystem: Advanced Micro Devices, Inc. [AMD] Zeppelin/Renoir PCIe Dummy Function
    	Flags: bus master, fast devsel, latency 0, NUMA node 1
    	Capabilities: <access denied>
42:00.2 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 51) (prog-if 01 [AHCI 1.0])
    	Subsystem: Micro-Star International Co., Ltd. [MSI] FCH SATA Controller [AHCI mode]
    	Flags: bus master, fast devsel, latency 0, IRQ 56, NUMA node 1
    	Memory at cdf00000 (32-bit, non-prefetchable) [size=4K]
    	Capabilities: <access denied>
    	Kernel driver in use: ahci
    	Kernel modules: ahci
`aplay -l` :
aplay: device_list:276: no soundcards found...
Issue URL     : https://github.com/alsa-project/alsa-utils/issues/136
Repository URL: https://github.com/alsa-project/alsa-utils

Errors when running alsamixer "cannot open mixer: No such file or directory."

GitHub issues - opened