two HDMI screens side-by-side 2 old nvidia cards (both GeForce 8400GS) nvidia driver 340.108 (latest version, required by cards) Xinerama enabled software kept fully up-to-date with stable release
Side comment -- gnome seems to crash a lot. This is first situation where I can use gdb to get stack information. On Mon, May 9, 2022 at 9:41 AM Sebastien Bacher <1972...@bugs.launchpad.net> wrote: > just verbal description of the numbers of screens, layout, video > cards/drivers > > -- > You received this bug notification because you are subscribed to the bug > report. > 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 (Submitted to gnome.org, but they said it is out of date and not 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) > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1972037/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1972037 Title: Stack Overflow - gnome-control-center To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1972037/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
