Next time the problem happens, does this command list any apps as
preventing the screen blanking?
gnome-session-inhibit -l
** Tags added: nvidia
** Package changed: gnome-control-center (Ubuntu) => mutter (Ubuntu)
** Changed in: mutter (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2088309
Title:
screen blanking does not work
Status in mutter package in Ubuntu:
Incomplete
Bug description:
For the last few weeks, my desktop screen fails to blank after the
timeout set in gnome-control-center. Blanking works properly after a
reboot but then - especially after resuming from suspend - it will
randomly fail to do so, either persistently or intermittently.
I am currently using gnome-control-center 1:46-4 but the issue was
already present with the previous version. Video driver is nvidia-
driver-550 from the ubuntu repositories.
I suspect this may have to do with kernel code (too.) I did not
experience this problem until I updated to the latest 6.8 kernel (I
believe that is 6.8.0-48). I have since updated to 6.11.0-1007 but
this has not made any difference.
On a side note, I seem to be experiencing issues with all nvidia 5xx
drivers. 535 fails to resume from suspend and 555 only gives me
wayland. When I install 560 (from the graphics-drivers ppa), I get a
kernel crash when I resume from suspend. I do not know about 555 and
560 but 535 used to work fine.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: gnome-control-center 1:46.4-0ubuntu0.24.04.1
ProcVersionSignature: Ubuntu 6.11.0-1007.7-oem 6.11.0
Uname: Linux 6.11.0-1007-oem x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 15 20:28:14 2024
InstallationDate: Installed on 2022-03-27 (964 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220326)
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
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