I have a similar issue with Core i3-9100 desktop (Ubuntu 20.10 clean install)
and a HP Probook 430 G6 (Core i5-82xx).
Example:
https://aws1.discourse-cdn.com/standard17/uploads/ubuntubudgie/original/2X/1/1f3f03e248964bc470caf7748cf7d8aa424474fc.jpeg
Might be the same as:
https://bugs.launchpad.n
I reported this today, didn't realise an extensive bug report already exists:
https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1903570
Lenovo S540-13ARE (AMD Ryzen 4800u).
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** Summary changed:
- After updating libasound2 and libasound2-data the only audio output device is
"Dummy Output". Rolling back to prev version solves it. AMD Ryzen 4800u laptop
Lenovo S540-13ARE.
+ libasound2 and libasound2-data update replaces all audio outputs with "Dummy
Output"
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You r
Public bug reported:
After updating libasound2 and libasound2-data the only audio output
device is "Dummy Output". Rolling back to prev version solves it. AMD
Ryzen 4800u laptop Lenovo S540-13ARE.
Description:Ubuntu 20.04.1 LTS
Release:20.04
ProblemType: Bug
DistroRelease: Ubuntu 20.
The only error shown in /var/log/boot.log:
[FAILED] Failed to start Load/Save Screen Backlight Brightness of
backlight:acpi_video0.
See 'systemctl status systemd-backlight@backlight:acpi_video0.service' for
details.
which I solved with the command:
systemctl mask systemd-backlight@backlight:acp
I have updated the bios (used WinToUSB to install Win10 on an external
SSD, it works amazingly well). Unfortunately the error messages persist.
As the laptop does work (did not test 3D gaming yet, will do next week)
I suppose I should just ignore the messages.
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Ah unfortunately before I switched to Ubuntu, there was no bios update. Lenovo
does not provide anything to update the bios, only an unextractable Windows
exe.
I will figure out a way to install Windows on a portable drive (Win2USB).
Pretty bad manufacturers no longer provide a way to update bi
Yes I figured that out, managed to uninstall and remove the default
kernel (5.4) and the 'bad' one (5.8.5).
Only 2 minor issues remaining:
1) Brightness setting is not persistent after reboot (it was with 5.8.5).
When I turn brightness down using the quick keyboard button, it goes
immediately to
It worked: via grub booted 5.8 and no more errors at boot. However,
brightness setting is not persistent after a reboot anymore, screen is
at max brightness after each reboot. If I modify it using the keyboard,
it immediately starts at the lowest brightness.
It's a minor issue. Not a big deal.
I
Thanks, I did that (sudo dpkg -i *.deb and sudo update-grub) but it
still reboots with 5.8.5. I googled a bit but haven't figured out how to
boot with 5.8 and remove 5.8.5.
I could start fresh with a clean Ubuntu install again..
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1893624/+attachment/5406087/+files/ProcEnviron.txt
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apport information
** Tags added: apport-collected focal
** Description changed:
Lenovo Ideapad S540 13ARE (AMD Ryzen 4800U).
Ubuntu Budgie 20.04.1 LTS, updated kernel to 5.8.5. Secure Boot disabled.
Clean install with entire disk (Windows came preinstalled) wiped out.
Most things work
** Description changed:
Lenovo Ideapad S540 13ARE (AMD Ryzen 4800U).
- Ubuntu Budgie 20.04.1 LTS, updated kernel to 5.8.5.
- Most things work just fine. If not for the errors shown during boot, I would
not have noticed the issues.Video (native resolutions works), audio, wifi,
suspend, the quic
I sold the laptop and bought a Lenovo instead which has working suspend
with kernel 5.8.5. Also I haven't heard the fan of this Lenovo yet..
which is a big difference compared to the HP.
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Public bug reported:
Lenovo Ideapad S540 13ARE (AMD Ryzen 4800U).
Ubuntu Budgie 20.04.1 LTS, updated kernel to 5.8.5.
Most things work just fine. If not for the errors shown during boot, I would
not have noticed the issues.Video (native resolutions works), audio, wifi,
suspend, the quick buttons
Unfortunately, suspend still does not work even with the final 5.8
kernel. Ubuntu 20.04 on the same HP x360 ay0003nd Ryzen 4700U laptop.
But Askubuntu.com is filled with similar issues, since 18.04:
https://askubuntu.com/questions/1239367/ubuntu-20-04-will-not-resume-from-suspend-on-hp-laptop-why
> Are resume= and resume_offset= correctly set?
Where can I do that?
I simply did a clean install of Ubuntu Budgie 20.04, selected to wipe the drive
completely during setup.
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Adding "mem_sleep_default=deep" to the grub file and running 'sudo
update-grub' didn't do the trick.
In general, is a Lenovo laptop a better option when one wants to run
Ubuntu on the latest AMD (4700u)? It is strange HP only supports s2idle
when that consumes more power.
Note Hibernate also does
Thanks for the quick reply.
it is s2idle and the BIOS has no option to modify anything related to
this. There are only boot options, TPM that can be configured
unfortunately.
Should I provide more extensive logs as described here? I just do not know how
to execute the pmtrace command, which argu
** Description changed:
Suspend/Hibernate:
screen goes off, nothing else happens. After user interaction, screen turns
on. Login screen is shown. Sometimes screen does not turn on: physical reboot
required.
- kernel upgrade to 5.8rc3 or 5.8rc4 has no effect.
+ kernel upgrade to 5.8rc3 or 5.
Public bug reported:
Suspend/Hibernate:
screen goes off, nothing else happens. After user interaction, screen turns on.
Login screen is shown. Sometimes screen does not turn on: physical reboot
required.
kernel upgrade to 5.8rc3 or 5.8rc4 has no effect.
Brightness:
Adjusting brightness has no e
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