You have been subscribed to a public bug:
Yesterday, I updated my Ubuntu 20.04.1 LTS and obtained the new official
kernel (with the update) 5.8.0-36.
With this kernel I have got a lot of problems with some games with Steam Proton.
For example, with the Kernel 5.4.0-59 all works well, I could play Cyberpunk
2077 and Far Cry 5 without problems.
Now, with the kernel 5.8.0-36 I can't play Cyberpunk 2077 and I have got
low fps in some areas with Far Cry 5, obtaining for example 7-8 fps in
the cinematic scene of faith.
Some games doesn't start with the new kernel.
Some people need this new kernel due to they have got new hardware
pieces which are supported with this new kernel.
Regards and thank you.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: evince 3.36.7-0ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-36.40~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-36-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Jan 8 15:35:36 2021
InstallationDate: Installed on 2020-04-24 (258 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=es_ES.UTF-8
SHELL=/bin/bash
SourcePackage: evince
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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Steam Proton fails with Kernel 5.8.0-36 Ubuntu 20.04.1
https://bugs.launchpad.net/bugs/1910763
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