I finally managed to disable secure boot.
No changes to the audio, logs are the same.
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https://bugs.launchpad.net/bugs/1877757
Title:
No sound, Dummy output on Acer Swift 3 SF314-57G
Is this error
"[ 5.294969] skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: failed to init link
iDisp1: -517"
related to firmware signing?
Secure boot is enabled.
My laptop has UEFI from factory and it does not allow to disable secure boot.
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Here is my alsa-info.sh output http://alsa-
project.org/db/?f=16e1d453e67714f818dbdd5f617ae20e37c2a433
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https://bugs.launchpad.net/bugs/1877757
Title:
No sound, Dummy output on Acer
Public bug reported:
New focal installation on a new Acer Swift 3 laptop with core i7-1065G7.
No sound detected, KDE/pavucontrol shows Dummy output.
External headset also not detected.
I've googled around and tried to reinstall alsa and pulseaudio, tried
alsa force-reload as well. Nothing helps.
Sound works now.
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Title:
No sound, Dummy output on Acer Swift 3 SF314-57G with Ice Lake core-i7
CPU
To manage notifications about this bug go
Hui,
This kernel https://people.canonical.com/~hwang4/renoir/ successfully
initialize my sound card.
$ cat /proc/cmdline
BOOT_IMAGE=/vmlinuz-5.4.0-32-generic
root=UUID=faf6a132-de60-44fa-a1a7-4cce8ef83b87 ro quiet splash acpi=force
vt.handoff=7
Internal speakers, HDMI out, internal mic - all
@Hui
Here is alsa-info.sh output with snd_hda_intel.dmic_detect=0
http://alsa-project.org/db/?f=a0666f31d648566f09d98d4ca79746a197403e28
With dmic_detect=0 internal speakers works but internal mic does not.
External headset works fine both headphones and mic.
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I've tested the kernel from focal-proposed
Linux swift 5.4.0-43-generic #47-Ubuntu SMP Sat Aug 8 06:34:35 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
Sound works perfectly!
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Yeah!
I hope this will be backported into 5.4 for Ubuntu 20.04.
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https://bugs.launchpad.net/bugs/1877757
Title:
No sound, Dummy output on Acer Swift 3 SF314-57G with Ice Lake core-i7
Here is output of journalctl -b 0 > journal.txt
** Attachment added: "System journal"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1877757/+attachment/5389802/+files/journal.txt
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Hi!
The latest kernel in 20.04 (as today) is 5.4.0-40.
It does not work, no sound on this kernel version, Dummy output only.
Here is my alsa-info.sh output:
http://alsa-project.org/db/?f=711b41fcdbaa13855fbf95113d9c42573cd44460
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