Unfortunately `snd-intel-dspcfg` does not help my machine, but thanks
for the suggestion.
# dpkg -l | grep linux-modules-extra-$(uname -r)
ii linux-modules-extra-5.8.0-40-generic 5.8.0-40.45
amd64 Linux kernel extra
modules for version 5.8.0 on 64 bit x86 SMP
# lsmod | grep dspcfg
snd_intel_dspcfg 24576 1 snd_hda_intel
# yes n | alsa-info 2>&1 | tail -5
alsactl: save_state:1595: No soundcards found...
cat: /tmp/alsa-info.0P5iPa4HGH/alsactl.tmp: No such file or directory
Automatically upload ALSA information to www.alsa-project.org? [y/N] :
Your ALSA information is in /tmp/alsa-info.txt.pi1KFFH34B
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1910920
Title:
no soundcard present with linux-image-5.8.0-37-generic
Status in linux package in Ubuntu:
Confirmed
Bug description:
With linux-image-5.8.0-34-generic, all on-board soundcards work
flawlessly.
After update of kernel to linux-image-5.8.0-37-generic durign this
week no soundcards are detected.
I am happy to provide more information.
But I will not sent automatic apport reports because it includes
private local data.
####
!!DMI Information
!!---------------
Manufacturer: LENOVO
Product Name: 20BUS23M00
Product Version: ThinkPad T450
Firmware Version: JBET54WW (1.19 )
Board Vendor: LENOVO
Board Name: 20BUS23M00
!!Kernel Information
!!------------------
Kernel release: 5.8.0-34-generic
Operating System: GNU/Linux
Architecture: x86_64
Processor: x86_64
SMP Enabled: Yes
!!ALSA Version
!!------------
Driver version: k5.8.0-34-generic
Library version: 1.2.3.2
Utilities version: 1.2.3
!!Loaded ALSA modules
!!-------------------
snd_hda_intel
snd_hda_intel
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes
!!Soundcards recognised by ALSA
!!-----------------------------
0 [HDMI ]: HDA-Intel - HDA Intel HDMI
HDA Intel HDMI at 0xe1230000 irq 51
1 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xe1234000 irq 52
!!PCI Soundcards installed in the system
!!--------------------------------------
00:03.0 Audio device [0403]: Intel Corporation Broadwell-U Audio Controller
[8086:160c] (rev 09)
Subsystem: Lenovo Broadwell-U Audio Controller [17aa:5034]
00:1b.0 Audio device [0403]: Intel Corporation Wildcat Point-LP High
Definition Audio Controller [8086:9ca0] (rev 03)
Subsystem: Lenovo Wildcat Point-LP High Definition Audio Controller
[17aa:5034]
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