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SubjectRe: [snd_hda_intel] snd_hda_intel causes high CPU lockup and system instability if mic disabled in BIOS on Lenovo P50



On Mon, 26 Nov 2018, Takashi Iwai wrote:

> On Mon, 26 Nov 2018 00:17:15 +0100,
> Alexander Kappner wrote:
>>
>> My Lenovo P50 laptop has a BIOS option to disable the microphone. When
>> this option gets chosen, the snd_hda_intel driver causes high CPU load
>> on a single kworker thread, spinning on "process_unsol_events", and
>> system
>> instability. This behavior occurs from the time that the snd_hda_intel
>> module is loaded, irrespective of whether anything is attempting to access
>> the mic. The sound output still works.
>>
>> When in this state, the module cannot be removed cleanly; attempting to
>> remove it (even without rmmod -f) triggers an oops.
>>
>> I have attached two exemplary dmesg outputs. Strangely enough, the exact
>> location of the oops varies, but further up the call chain, I always see
>> process_unsol_events.
>>
>> When the mic is not disabled in the BIOS, the module works stable,
>> regardless whether or not the mic is muted in ALSA.
>>
>> I wasn't able to pinpoint the root cause. Any pointers on where to
>> start? Much appreciated.
>
> Could you load snd-hda-intel driver with probe_only=1 option, and give
> alsa-info.sh output (run it with --no-upload option)? This should
> leave only the codec probing without configuring, so we can see the
> codec widget contents and check the emulator.
>
>
> thanks,
>
> Takashi
>

Hi Takashi,

thank you for looking into this. Please see quoted below the output of
alsa-info.sh (after "modprobe snd_hda_intel probe_only=1").

Best regards




upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Tue Nov 27 05:25:14 UTC 2018


!!Linux Distribution
!!------------------

Debian GNU/Linux 8 \n \l PRETTY_NAME="Debian GNU/Linux 8 (jessie)" NAME="Debian GNU/Linux" ID=debian HOME_URL="http://www.debian.org/" SUPPORT_URL="http://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"


!!DMI Information
!!---------------

Manufacturer: LENOVO
Product Name: 20ENCTO1WW
Product Version: ThinkPad P50
Firmware Version: N1EET62W (1.35 )
Board Vendor: LENOVO
Board Name: 20ENCTO1WW


!!ACPI Device Status Information
!!---------------

/sys/bus/acpi/devices/ACPI0003:00/status 15
/sys/bus/acpi/devices/LEN0068:00/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:03/status 1
/sys/bus/acpi/devices/LNXVIDEO:00/status 15
/sys/bus/acpi/devices/PNP0103:00/status 15
/sys/bus/acpi/devices/PNP0C0A:00/status 31
/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/device:3e/status 15


!!Kernel Information
!!------------------

Kernel release: 4.19.0-rc4
Operating System: GNU/Linux
Architecture: x86_64
Processor: unknown
SMP Enabled: Yes


!!ALSA Version
!!------------

Driver version: k4.19.0-rc4
Library version: 1.0.28
Utilities version: 1.0.28


!!Loaded ALSA modules
!!-------------------



!!Sound Servers on this system
!!----------------------------

Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - No


!!Soundcards recognised by ALSA
!!-----------------------------

0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xc4940000 irq 151
1 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xc3000000 irq 17


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1f.3 Audio device: Intel Corporation Device a170 (rev 31)
01:00.1 Audio device: NVIDIA Corporation Device 0fbc (rev a1)


!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:1f.3 0403: 8086:a170 (rev 31)
Subsystem: 17aa:222e
--
01:00.1 0403: 10de:0fbc (rev a1)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-


!!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


!!Loaded sound module options
!!---------------------------


!!HDA-Intel Codec information
!!---------------------------
--startcollapse--

Codec: Realtek ID 298
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10ec0298
Subsystem Id: 0x17aa222e
Revision Id: 0x100103
No Modem Function Group found
Default PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power states: D0 D1 D2 D3 D3cold CLKSTOP EPSS
Power: setting=D0, actual=D0
GPIO: io=8, o=0, i=0, unsolicited=1, wake=0
IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[2]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[3]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[4]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[5]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[6]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
IO[7]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
Node 0x02 [Audio Output] wcaps 0x41d: Stereo Amp-Out
Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x01, mute=0
Amp-Out vals: [0x7f 0x7f]
Converter: stream=0, channel=0
PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x03 [Audio Output] wcaps 0x41d: Stereo Amp-Out
Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x01, mute=0
Amp-Out vals: [0x7f 0x7f]
Converter: stream=0, channel=0
PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x04 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x05 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x06 [Audio Output] wcaps 0x411: Stereo
Converter: stream=0, channel=0
PCM:
rates [0x40]: 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x07 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x08 [Audio Input] wcaps 0x10051b: Stereo Amp-In
Amp-In caps: ofs=0x43, nsteps=0x7f, stepsize=0x01, mute=1
Amp-In vals: [0xc3 0xc3]
Converter: stream=0, channel=0
SDI-Select: 0
PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x23
Node 0x09 [Audio Input] wcaps 0x10051b: Stereo Amp-In
Amp-In caps: ofs=0x43, nsteps=0x7f, stepsize=0x01, mute=1
Amp-In vals: [0xc3 0xc3]
Converter: stream=0, channel=0
SDI-Select: 0
PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x22
Node 0x0a [Audio Input] wcaps 0x100511: Stereo
Converter: stream=0, channel=0
SDI-Select: 0
PCM:
rates [0x40]: 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x25
Node 0x0b [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1
Amp-In vals: [0x97 0x97] [0x97 0x97] [0x97 0x97] [0x09 0x09]
Connection: 4
0x18 0x19 0x1a 0x1d
Node 0x0c [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-In vals: [0x00 0x00] [0x80 0x80]
Connection: 2
0x02 0x0b
Node 0x0d [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-In vals: [0x00 0x00]
Connection: 1
0x03
Node 0x0e [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x0f [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x10 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x11 [Audio Input] wcaps 0x10051b: Stereo Amp-In
Amp-In caps: ofs=0x43, nsteps=0x7f, stepsize=0x01, mute=1
Amp-In vals: [0xc3 0xc3]
Converter: stream=0, channel=0
SDI-Select: 0
PCM:
rates [0x60]: 44100 48000
bits [0xe]: 16 20 24
formats [0x1]: PCM
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x24
Node 0x12 [Pin Complex] wcaps 0x40040b: Stereo Amp-In
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Pincap 0x00000020: IN
Pin Default 0x90a60140: [Fixed] Mic at Int N/A
Conn = Digital, Color = Unknown
DefAssociation = 0x4, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x13 [Pin Complex] wcaps 0x40040b: Stereo Amp-In
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Pincap 0x00000020: IN
Pin Default 0x40000000: [N/A] Line Out at Ext N/A
Conn = Unknown, Color = Unknown
DefAssociation = 0x0, Sequence = 0x0
Pin-ctls: 0x00:
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x14 [Pin Complex] wcaps 0x40050d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x80 0x80]
Pincap 0x00010010: OUT EAPD
EAPD 0x0:
Pin Default 0x90170110: [Fixed] Speaker at Int N/A
Conn = Analog, Color = Unknown
DefAssociation = 0x1, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x40: OUT
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 2
0x0c* 0x0d
Node 0x15 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x16 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x17 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x80 0x80]
Pincap 0x0001001c: OUT HP EAPD Detect
EAPD 0x0:
Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
Conn = 1/8, Color = Black
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 3
0x0c* 0x0d 0x06
Node 0x18 [Pin Complex] wcaps 0x40048b: Stereo Amp-In
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Pincap 0x00003724: IN Detect
Vref caps: HIZ 50 GRD 80 100
Pin Default 0x03a11030: [Jack] Mic at Ext Left
Conn = 1/8, Color = Black
DefAssociation = 0x3, Sequence = 0x0
Pin-ctls: 0x20: IN VREF_HIZ
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x19 [Pin Complex] wcaps 0x40048b: Stereo Amp-In
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Pincap 0x00003724: IN Detect
Vref caps: HIZ 50 GRD 80 100
Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
Conn = 1/8, Color = Black
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00: VREF_HIZ
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x1a [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
Amp-In vals: [0x00 0x00]
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x80 0x80]
Pincap 0x0001373c: IN OUT HP EAPD Detect
Vref caps: HIZ 50 GRD 80 100
EAPD 0x0:
Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
Conn = 1/8, Color = Black
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00: VREF_HIZ
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 2
0x0c* 0x0d
Node 0x1b [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x1c [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x1d [Pin Complex] wcaps 0x400400: Mono
Pincap 0x00000020: IN
Pin Default 0x40648605: [N/A] Modem Line at Ext N/A
Conn = RCA, Color = Purple
DefAssociation = 0x0, Sequence = 0x5
Pin-ctls: 0x20: IN
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x1e [Pin Complex] wcaps 0x400501: Stereo
Pincap 0x00000014: OUT Detect
Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
Conn = 1/8, Color = Black
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 1
0x06
Node 0x1f [Pin Complex] wcaps 0x400401: Stereo
Pincap 0x00000024: IN Detect
Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
Conn = 1/8, Color = Black
DefAssociation = 0xf, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Node 0x20 [Vendor Defined Widget] wcaps 0xf00040: Mono
Processing caps: benign=0, ncoeff=150
Node 0x21 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0000001c: OUT HP Detect
Pin Default 0x03211020: [Jack] HP Out at Ext Left
Conn = 1/8, Color = Black
DefAssociation = 0x2, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Power states: D0 D1 D2 D3 EPSS
Power: setting=D0, actual=D0
Connection: 2
0x0c* 0x0d
Node 0x22 [Audio Selector] wcaps 0x300101: Stereo
Connection: 6
0x18* 0x19 0x1a 0x1d 0x0b 0x12
Node 0x23 [Audio Selector] wcaps 0x300101: Stereo
Connection: 6
0x18 0x19 0x1a* 0x1d 0x0b 0x13
Node 0x24 [Audio Selector] wcaps 0x300101: Stereo
Connection: 2
0x12* 0x13
Node 0x25 [Audio Selector] wcaps 0x300101: Stereo
Connection: 1
0x1f
Codec: Nvidia GPU 60 HDMI/DP
Address: 0
AFG Function Id: 0x1 (unsol 0)
Vendor Id: 0x10de0060
Subsystem Id: 0x00000000
Revision Id: 0x100100
No Modem Function Group found
Default PCM:
rates [0x0]:
bits [0x0]:
formats [0x0]:
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power states: D0 D1 D2 D3 CLKSTOP EPSS
Power: setting=D0, actual=D0
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x04 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=01, enabled=1
Connection: 4
0x08* 0x09 0x0a 0x0b
Node 0x05 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
Control: name="IEC958 Playback Con Mask", index=1, device=0
Control: name="IEC958 Playback Pro Mask", index=1, device=0
Control: name="IEC958 Playback Default", index=1, device=0
Control: name="IEC958 Playback Switch", index=1, device=0
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=02, enabled=1
Connection: 4
0x08* 0x09 0x0a 0x0b
Node 0x06 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x585600f0: [N/A] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Connection: 4
0x08* 0x09 0x0a 0x0b
Node 0x07 [Pin Complex] wcaps 0x407381: 8-Channels Digital CP
Control: name="IEC958 Playback Con Mask", index=2, device=0
Control: name="IEC958 Playback Pro Mask", index=2, device=0
Control: name="IEC958 Playback Default", index=2, device=0
Control: name="IEC958 Playback Switch", index=2, device=0
Pincap 0x09000094: OUT Detect HBR HDMI DP
Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Unknown
DefAssociation = 0xf, Sequence = 0x0
Pin-ctls: 0x00:
Unsolicited: tag=03, enabled=1
Connection: 4
0x08* 0x09 0x0a 0x0b
Node 0x08 [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
IEC Coding Type: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Unsolicited: tag=00, enabled=0
Node 0x09 [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
IEC Coding Type: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Unsolicited: tag=00, enabled=0
Node 0x0a [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
IEC Coding Type: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Unsolicited: tag=00, enabled=0
Node 0x0b [Audio Output] wcaps 0x62b1: 8-Channels Digital Stripe
Converter: stream=0, channel=0
Digital:
Digital category: 0x0
IEC Coding Type: 0x0
PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Unsolicited: tag=00, enabled=0
--endcollapse--


!!ALSA Device nodes
!!-----------------

crw-rw----+ 1 root audio 116, 3 Nov 26 21:24 /dev/snd/controlC0
crw-rw----+ 1 root audio 116, 8 Nov 26 21:24 /dev/snd/controlC1
crw-rw----+ 1 root audio 116, 2 Nov 26 21:24 /dev/snd/hwC0D0
crw-rw----+ 1 root audio 116, 7 Nov 26 21:24 /dev/snd/hwC1D0
crw-rw----+ 1 root audio 116, 4 Nov 26 21:24 /dev/snd/pcmC1D3p
crw-rw----+ 1 root audio 116, 5 Nov 26 21:24 /dev/snd/pcmC1D7p
crw-rw----+ 1 root audio 116, 6 Nov 26 21:24 /dev/snd/pcmC1D8p
crw-rw----+ 1 root audio 116, 33 Nov 26 21:24 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root 80 Nov 26 21:24 .
drwxr-xr-x 3 root root 220 Nov 26 21:24 ..
lrwxrwxrwx 1 root root 12 Nov 26 21:24 pci-0000:00:1f.3 -> ../controlC0
lrwxrwxrwx 1 root root 12 Nov 26 21:24 pci-0000:01:00.1 -> ../controlC1


!!Aplay/Arecord output
!!--------------------

APLAY

No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
**** List of PLAYBACK Hardware Devices ****
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

ARECORD

No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
**** List of CAPTURE Hardware Devices ****

!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [PCH]

No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
Card hw:0 'PCH'/'HDA Intel PCH at 0xc4940000 irq 151'
Mixer name : ''
Components : 'HDA:10ec0298,17aa222e,00100103'
Controls : 2
Simple ctrls : 2
No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 255 [100%] [0.00dB]
Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Digital',0
Capabilities: cvolume
Capture channels: Front Left - Front Right
Limits: Capture 0 - 120
Front Left: Capture 120 [100%] [30.00dB]
Front Right: Capture 120 [100%] [30.00dB]

!!-------Mixer controls for card 1 [NVidia]

No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
Card hw:1 'NVidia'/'HDA NVidia at 0xc3000000 irq 17'
Mixer name : 'Nvidia GPU 60 HDMI/DP'
Components : 'HDA:10de0060,00000000,00100100'
Controls : 21
Simple ctrls : 3
No protocol specified
xcb_connection_has_error() returned true
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e g happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',1
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',2
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]


!!Alsactl output
!!--------------

--startcollapse--
state.PCH {
control.1 {
iface MIXER
name 'PCM Playback Volume'
value.0 255
value.1 255
comment {
access 'read write user'
type INTEGER
count 2
range '0 - 255'
tlv '0000000100000008ffffec1400000014'
dbmin -5100
dbmax 0
dbvalue.0 0
dbvalue.1 0
}
}
control.2 {
iface MIXER
name 'Digital Capture Volume'
value.0 120
value.1 120
comment {
access 'read write user'
type INTEGER
count 2
range '0 - 120'
tlv '0000000100000008fffff44800000032'
dbmin -3000
dbmax 3000
dbvalue.0 3000
dbvalue.1 3000
}
}
}
state.NVidia {
control.1 {
iface CARD
name 'HDMI/DP,pcm=3 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.2 {
iface MIXER
name 'IEC958 Playback Con Mask'
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.3 {
iface MIXER
name 'IEC958 Playback Pro Mask'
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.4 {
iface MIXER
name 'IEC958 Playback Default'
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.5 {
iface MIXER
name 'IEC958 Playback Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.6 {
iface PCM
device 3
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.7 {
iface CARD
name 'HDMI/DP,pcm=7 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.8 {
iface MIXER
name 'IEC958 Playback Con Mask'
index 1
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.9 {
iface MIXER
name 'IEC958 Playback Pro Mask'
index 1
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.10 {
iface MIXER
name 'IEC958 Playback Default'
index 1
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.11 {
iface MIXER
name 'IEC958 Playback Switch'
index 1
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.12 {
iface PCM
device 7
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.13 {
iface CARD
name 'HDMI/DP,pcm=8 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.14 {
iface MIXER
name 'IEC958 Playback Con Mask'
index 2
value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.15 {
iface MIXER
name 'IEC958 Playback Pro Mask'
index 2
value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.16 {
iface MIXER
name 'IEC958 Playback Default'
index 2
value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.17 {
iface MIXER
name 'IEC958 Playback Switch'
index 2
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.18 {
iface PCM
device 8
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.19 {
iface PCM
device 3
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
control.20 {
iface PCM
device 7
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
control.21 {
iface PCM
device 8
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
}
--endcollapse--


!!All Loaded Modules
!!------------------

Module
snd_hda_codec_hdmi
snd_hda_intel
snd_hda_codec
snd_hwdep
snd_hda_core
snd_pcm
snd_timer
nvidia_modeset
zfs
zunicode
zlua
nvidia
iwlmvm
mac80211
btusb
btrtl
btbcm
btintel
iwlwifi
bluetooth
qmi_wwan
cfg80211
ecdh_generic
thinkpad_acpi
rfkill
zcommon
znvpair
zavl
icp
spl
sdhci_pci
cqhci
sdhci
mmc_block
rtsx_pci_sdmmc
rtsx_pci
mfd_core


!!Sysfs Files
!!-----------

/sys/class/sound/hwC0D0/init_pin_configs:
0x12 0x90a60140
0x13 0x40000000
0x14 0x90170110
0x17 0x411111f0
0x18 0x03a11030
0x19 0x411111f0
0x1a 0x411111f0
0x1d 0x40648605
0x1e 0x411111f0
0x1f 0x411111f0
0x21 0x03211020

/sys/class/sound/hwC0D0/driver_pin_configs:

/sys/class/sound/hwC0D0/user_pin_configs:

/sys/class/sound/hwC0D0/init_verbs:

/sys/class/sound/hwC0D0/hints:

/sys/class/sound/hwC1D0/init_pin_configs:
0x04 0x185600f0
0x05 0x185600f0
0x06 0x585600f0
0x07 0x185600f0

/sys/class/sound/hwC1D0/driver_pin_configs:

/sys/class/sound/hwC1D0/user_pin_configs:

/sys/class/sound/hwC1D0/init_verbs:

/sys/class/sound/hwC1D0/hints:


!!ALSA/HDA dmesg
!!--------------

[ 1.259752] ACPI: Added _OSI(Linux-Dell-Video)
[ 1.259877] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 1.260005] ACPI: EC: EC started
--
[ 2.455918] rtc_cmos 00:02: setting system clock to 2018-11-27 05:20:26 UTC (1543296026)
[ 2.456097] ALSA device list:
[ 2.456206] No soundcards found.
[ 2.457801] Freeing unused kernel image memory: 1644K
--
[ 19.049747] wlan0: associated
[ 266.605307] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002)
[ 266.605349] snd_hda_intel 0000:01:00.1: Disabling MSI
[ 266.605355] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[ 267.192262] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input10
[ 267.192455] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input11
[ 267.192605] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input12



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