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My laptop has a 4K display.
Default Resolution = 3840x2160, scale = 200%.
If I set resolution to 1920x1080, everything on the desktop is scaled to double
size.
So, if I reduce the Scale setting from 200% to 100%, I would expect everything
to look normal again, but it does not. 100% and 200% look identical.
However, if I enable Fractional scaling and select 125%, that looks correct.
So, Fractional scaling works correctly, but non-fractional scaling does not.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:01:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 440.64 Fri Feb 21 01:17:26
UTC 2020
GCC version: gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon May 11 15:58:43 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus: nvidia, 440.64, 5.4.0-29-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation 4th Gen Core Processor Integrated Graphics Controller
[8086:0416] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Lenovo 4th Gen Core Processor Integrated Graphics Controller
[17aa:3978]
Subsystem: Lenovo GM107M [GeForce GTX 960M] [17aa:3978]
InstallationDate: Installed on 2020-05-07 (3 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 20349
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-29-generic
root=UUID=4f7e434e-f524-450c-8486-29302f1ca495 ro persistent quiet splash
vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/12/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: 9ECN43WW(V3.03)
dmi.board.asset.tag: K0J40709WIN
dmi.board.name: Lenovo Y50-70 Touch
dmi.board.vendor: LENOVO
dmi.board.version: K0J40709WIN
dmi.chassis.asset.tag: K0J40709WIN
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Y50-70 Touch
dmi.modalias:
dmi:bvnLENOVO:bvr9ECN43WW(V3.03):bd08/12/2015:svnLENOVO:pn20349:pvrLenovoY50-70Touch:rvnLENOVO:rnLenovoY50-70Touch:rvrK0J40709WIN:cvnLENOVO:ct10:cvrLenovoY50-70Touch:
dmi.product.family: IDEAPAD
dmi.product.name: 20349
dmi.product.sku: LENOVO_MT_20349_BU_idea_FM_Lenovo Y50-70 Touch
dmi.product.version: Lenovo Y50-70 Touch
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
--
Non-fractional scaling not working
https://bugs.launchpad.net/bugs/1878091
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