Please run these commands: gsettings get org.gnome.mutter experimental-features > experimental.txt lspci -kv > lspci.txt journalctl -b0 > journal.txt xrandr --verbose > xrandr.txt
and then attach the resulting text files here, along with a copy of your ~/.config/monitors.xml file. ** Tags added: xrandr-scaling ** Tags added: hybrid nvidia ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete ** Also affects: mutter (Ubuntu) Importance: Undecided Status: New ** Changed in: mutter (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1900873 Title: dual display scaling broken at 4k Status in gnome-control-center package in Ubuntu: Incomplete Status in mutter package in Ubuntu: Incomplete Bug description: I have to 4k monitors. 15" on the dell xps 3840/2160/60 40" philips external BDM4065 3840/2160/30 Obviously i need different scale factors to use them properly. This feature DOES NOT WORK. It seems the scaling is not handled separately per monitor as the UI suggests. The fractional scaling also does not seem to work. any change to the scaling ends seems to be rounded to full. Which meens a compromise scale of 125% is effectively 200% on the large monitor. I havent found any config which would make this useful. So basically when I use the external 40" I cannot use the builtin anymore without an external fresnell magnifier lens (which I dont have ;) updated Ubuntu 20.04.1 LTS on DELL XPS 7590 Intel(R) Core(TM) i9-9980HK CPU @ 2.40GHz 32GB SODIMM DDR4 Synchronous 2667 (0.4ns) PCI bridge: NVIDIA TU117M [GeForce GTX 1650 Mobile / Max-Q] Hostbridge: Intel UHD Graphics 630 (Mobile) ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-control-center 1:3.36.4-0ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Oct 21 17:35:12 2020 InstallationDate: Installed on 2020-04-22 (181 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402) SourcePackage: gnome-control-center UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1900873/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp