Thank you for your bug report, the log has those warnings which is weird
Xlib: extension "RANDR" missing on display ":0".
could be somehow due to the nvidia drivers
** Changed in: gnome-control-center (Ubuntu)
Status: New => Incomplete
** Changed in: gnome-control-center (Ubuntu)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1972037
Title:
Stack Overflow - gnome-control-center
Status in gnome-control-center package in Ubuntu:
Incomplete
Bug description:
Program: gnome-control-center
Installed version: 1:3.36.5-0ubuntu4 (ubuntu default download)
OS: ubuntu 20.04.4 LTS
GNOME Version: 3.36.8 (ubuntu default download)
Windowing System: X11
Graphics: GeForce 8400GS/PCIe/SSE2
Driver: Using NVIDIA binary driver version 340.108
Source: download version from ubuntu
Steps to reproduce:
Reset GNOME settings with:
dconf reset -f /org/gnome/control-center/
Open GNOME Settings with:
/usr/bin/gnome-control-center
Click on "Displays" and receive:
Xlib: extension "RANDR" missing on display ":0".
Xlib: extension "RANDR" missing on display ":0".
Segmentation fault (core dumped)
Repeated using gdb with package symbols.
Output of "bt -full" in attachment (with a few comments).
(Submitted to gnome.org, but they said it is out of date and not
supported by them.)
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-control-center 1:3.36.5-0ubuntu4
ProcVersionSignature: Ubuntu 5.4.0-100.113-generic 5.4.166
Uname: Linux 5.4.0-100-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.11-0ubuntu27.23
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME-Flashback:GNOME
Date: Fri May 6 20:38:55 2022
InstallationDate: Installed on 2011-07-11 (3952 days ago)
InstallationMedia: Ubuntu-Server 11.04 "Natty Narwhal" - Release amd64
(20110426)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to focal on 2022-02-01 (94 days ago)
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