I have Ubuntu 20.04.2 LTS on my Intel laptop. The microphone was working fine until it suddenly stopped working for no reason. I'm using OBS Studio all the time.
Here's some debug:
morad@Zelakolase:~$ aplay -l && arecord -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC3227 Analog [ALC3227 Analog]
Subdevices: 1/1
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 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC3227 Analog [ALC3227 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
And
morad@Zelakolase:~$ lspci -vvv
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
Subsystem: Hewlett-Packard Company Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Latency: 0
Capabilities: <access denied>
Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Skylake GT2 [HD Graphics 520]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 129
Region 0: Memory at b0000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at a0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 4000 [size=64]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 08)
Subsystem: Hewlett-Packard Company Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 0: Memory at b1220000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Subsystem: Hewlett-Packard Company Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 11
Region 0: Memory at b1232000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) (prog-if 30 [XHCI])
Subsystem: Hewlett-Packard Company Sunrise Point-LP USB 3.0 xHCI Controller
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 124
Region 0: Memory at b1210000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP Thermal subsystem
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin C routed to IRQ 18
Region 0: Memory at b1233000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP CSME HECI
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 127
Region 0: Memory at b1234000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: mei_me
Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) (prog-if 01 [AHCI 1.0])
Subsystem: Hewlett-Packard Company Sunrise Point-LP SATA Controller [AHCI mode]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 126
Region 0: Memory at b1230000 (32-bit, non-prefetchable) [size=8K]
Region 1: Memory at b1237000 (32-bit, non-prefetchable) [size=256]
Region 2: I/O ports at 4080 [size=8]
Region 3: I/O ports at 4088 [size=4]
Region 4: I/O ports at 4060 [size=32]
Region 5: Memory at b1235000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci
Kernel modules: ahci
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 122
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 00003000-00003fff [size=4K]
Memory behind bridge: b1100000-b11fffff [size=1M]
Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [disabled]
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 123
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 0000f000-00000fff [disabled]
Memory behind bridge: b1000000-b10fffff [size=1M]
Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [disabled]
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP LPC Controller
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP PMC
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Region 0: Memory at b122c000 (32-bit, non-prefetchable) [size=16K]
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) (prog-if 80)
Subsystem: Hewlett-Packard Company Sunrise Point-LP HD Audio
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 130
Region 0: Memory at b1228000 (64-bit, non-prefetchable) [size=16K]
Region 4: Memory at b1200000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
Subsystem: Hewlett-Packard Company Sunrise Point-LP SMBus
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 16
Region 0: Memory at b1236000 (64-bit, non-prefetchable) [size=256]
Region 4: I/O ports at 4040 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
DeviceName: Hanksville Gbe Lan Connection
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at 3000 [size=256]
Region 2: Memory at b1104000 (64-bit, non-prefetchable) [size=4K]
Region 4: Memory at b1100000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] (rev 10)
DeviceName: WLAN
Subsystem: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 128
Region 0: Memory at b1000000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
And
morad@Zelakolase:~$ lsmod
Module Size Used by
uvcvideo 98304 0
videobuf2_vmalloc 20480 1 uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_common 57344 2 videobuf2_v4l2,uvcvideo
videodev 241664 3 videobuf2_v4l2,uvcvideo,videobuf2_common
mc 57344 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_rawmidi 36864 1 snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
rfcomm 81920 4
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxdrv 516096 2 vboxnetadp,vboxnetflt
ccm 20480 3
cmac 16384 6
algif_hash 16384 3
algif_skcipher 16384 3
af_alg 28672 14 algif_hash,algif_skcipher
bnep 24576 2
mei_hdcp 24576 0
intel_rapl_msr 20480 0
btusb 57344 0
snd_hda_codec_hdmi 61440 1
x86_pkg_temp_thermal 20480 0
intel_powerclamp 20480 0
btrtl 24576 1 btusb
coretemp 20480 0
btbcm 16384 1 btusb
snd_hda_codec_realtek 131072 1
btintel 28672 1 btusb
kvm_intel 286720 0
bluetooth 581632 31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
ledtrig_audio 16384 1 snd_hda_codec_generic
iwlmvm 393216 0
kvm 712704 1 kvm_intel
ecdh_generic 16384 1 bluetooth
ecc 32768 1 ecdh_generic
mac80211 905216 1 iwlmvm
i915 2195456 19
libarc4 16384 1 mac80211
crct10dif_pclmul 16384 1
ghash_clmulni_intel 16384 0
aesni_intel 372736 11
snd_hda_intel 53248 3
crypto_simd 16384 1 aesni_intel
cryptd 24576 5 crypto_simd,ghash_clmulni_intel
snd_intel_dspcfg 24576 1 snd_hda_intel
glue_helper 16384 1 aesni_intel
snd_hda_codec 139264 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
drm_kms_helper 217088 1 i915
snd_hda_core 94208 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hwdep 20480 1 snd_hda_codec
cec 53248 2 drm_kms_helper,i915
snd_pcm 114688 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
rc_core 57344 1 cec
iwlwifi 352256 1 iwlmvm
rapl 20480 0
intel_cstate 20480 0
intel_xhci_usb_role_switch 16384 0
roles 16384 1 intel_xhci_usb_role_switch
i2c_algo_bit 16384 1 i915
cfg80211 778240 3 iwlmvm,iwlwifi,mac80211
joydev 24576 0
input_leds 16384 0
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
serio_raw 20480 0
mei_me 40960 1
snd_timer 40960 2 snd_seq,snd_pcm
ee1004 20480 0
kxcjk_1013 28672 0
processor_thermal_device 24576 0
snd 94208 17 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
intel_rapl_common 28672 2 intel_rapl_msr,processor_thermal_device
mei 106496 3 mei_hdcp,mei_me
industrialio_triggered_buffer 16384 1 kxcjk_1013
kfifo_buf 16384 1 industrialio_triggered_buffer
hp_wmi 16384 0
intel_vbtn 20480 0
int340x_thermal_zone 20480 1 processor_thermal_device
cm32181 16384 0
mac_hid 16384 0
intel_soc_dts_iosf 20480 1 processor_thermal_device
sparse_keymap 16384 2 hp_wmi,intel_vbtn
soundcore 16384 1 snd
industrialio 77824 4 industrialio_triggered_buffer,cm32181,kfifo_buf,kxcjk_1013
int3400_thermal 20480 0
acpi_thermal_rel 16384 1 int3400_thermal
intel_pch_thermal 20480 0
hp_wireless 16384 0
intel_wmi_thunderbolt 20480 0
wmi_bmof 16384 0
acpi_pad 184320 0
sch_fq_codel 20480 2
parport_pc 45056 0
drm 552960 8 drm_kms_helper,i915
ppdev 24576 0
lp 20480 0
parport 65536 3 parport_pc,lp,ppdev
ip_tables 32768 0
x_tables 49152 1 ip_tables
autofs4 45056 2
crc32_pclmul 16384 0
i2c_i801 32768 0
psmouse 155648 0
ahci 40960 2
i2c_smbus 20480 1 i2c_i801
libahci 36864 1 ahci
r8169 77824 0
realtek 24576 1
xhci_pci 20480 0
xhci_pci_renesas 20480 1 xhci_pci
wmi 32768 3 hp_wmi,intel_wmi_thunderbolt,wmi_bmof
video 49152 1 i915
Any thoughts?
