More updates:
I removed nvidia drivers as described here
https://askubuntu.com/a/757256/754424 . Ofc without nouveau.modeset=0 it
doesnt boot.
With nouveau.modeset=0 it boots ("Software and Updates-> Additional
Drivers" shows "Using X.Org - Nouveau" as checked, but I think Nvidia
GPU is not up. "sudo lshw -C video" shows UNCLAIMED on Nvidia).
With nouveau.modeset=0 and without "options snd-hda-intel dmic_detect=0"
the system freezes on the login or immediately after login. The login
screen looks kinda bad, the same as when I booted with 5.8 kernel.
The above tests were with 5.4 kernel.
Now I repeated the last test with 5.8 kernel. It boots, does not freeze,
but speakers show Dummy output and mic is empty. (So the same as before
disabling Nvidia and using 5.8)
----------------------------------
I think this means that Nvidia GPU is not the cause of the freeze but audio.
The 5.8 does not load microphone so the system does not freeze. Also WITH
dmic_detect=0 and 5.4/5.6 kernel the mic is not loaded so the system does not
freeze.
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https://bugs.launchpad.net/bugs/1892714
Title:
Microphone not working on HP Omen 17
Status in linux package in Ubuntu:
Incomplete
Bug description:
I have the following laptop https://support.hp.com/us-en/product/omen-
by-hp-17-cb0000-laptop-pc/26122176/document/c06411586
I cannot make the internal microphone to work. Sound->Input device
gives no device list. Jack plug (pink) mic works.
(The link says: HP Wide Vision HD Camera with integrated dual array
digital microphone. So I guess this is the one and only internal
microphone.)
cat /proc/asound/card0/codec* | grep Codec Codec: Realtek ALC285
cat /proc/asound/card1/codec* | grep Codec Codec: Nvidia GPU 92 HDMI/DP
I guess the internal microphone is related to this "Realtek ALC285"
codec.
In alsa-base.conf I had to add "options snd-hda-intel dmic_detect=0" or
otherwise my screen freezes soon after boot.
I tried "options snd-hda-intel model=laptop-amic" and "model=laptop-
dmic" and "model=auto". The "model=laptop-dmic" shows the device in
"Sound->Input device" but it loops laptop's sound output into the
input.
OS: Ubuntu 20.04
uname -a: 5.4.0-42-generic
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: croraf 1940 F.... pulseaudio
/dev/snd/controlC0: croraf 1940 F.... pulseaudio
/dev/snd/pcmC0D0p: croraf 1940 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2019-11-16 (281 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: HP OMEN by HP Laptop 17-cb0xxx
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic
root=UUID=685e7294-a202-48c4-b8a9-ec45d45bfd01 ro quiet splash pci=nommconf
vt.handoff=7
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
RelatedPackageVersions:
linux-restricted-modules-5.4.0-42-generic N/A
linux-backports-modules-5.4.0-42-generic N/A
linux-firmware 1.187.2
Tags: focal
Uname: Linux 5.4.0-42-generic x86_64
UpgradeStatus: Upgraded to focal on 2020-07-13 (42 days ago)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 09/05/2019
dmi.bios.vendor: AMI
dmi.bios.version: F.16
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 8603
dmi.board.vendor: HP
dmi.board.version: 45.38
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAMI:bvrF.16:bd09/05/2019:svnHP:pnOMENbyHPLaptop17-cb0xxx:pvr:rvnHP:rn8603:rvr45.38:cvnHP:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV HP OMEN
dmi.product.name: OMEN by HP Laptop 17-cb0xxx
dmi.product.sku: 7NG00EA#BED
dmi.sys.vendor: HP
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