https://www.reddit.com/r/Ubuntu/comments/iesevz/fractional_scaling_full_screen_video_causes_this/?utm_source=share&utm_medium=ios_app&utm_name=iossmf
This is my video link which I posted on Reddit, same bug has affected me with i915 driver. One little note: This isn’t a case when I added upscaled monitor resolution (for me, it is 2160x1440 150% to 2880x1920 200%) config and setting intel to modesetting driver on /etc/X11/xorg.conf.d There are two options for setting the correct scaling: 1. Using xrandr scaling options, causes tearing and fullscreen inconsistencies 2. Adding new upscaled monitor resolution with xrandr and choosing that Second options has always worked flawlessly for me, but want to make a warning: second option doesn’t work on between kernel 5.0 and 5.4 (that means it doesn’t work on LTS kernel). They reverted a patch after 5.5, and it works flawlessly. Here’s the trick files that I’ve created: https://github.com/nekr0z/linux-on-huawei-matebook-13-2019#display I think Ubuntu’s X11 fractional scaling method uses the first one, and that’s indeed buggy. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1890141 Title: Can't fullscreen, or windows get automatically un-fullscreened, when using fractional scaling Status in mutter package in Ubuntu: Confirmed Bug description: Same issue as this one: https://bugs.launchpad.net/ubuntu/+source /gnome-shell/+bug/1863391 Some websites like YouTube will attempt to fullscreen, just not successfully. Other websites, like Netflix, will fullscreen for a second and de-fullscreen after that. Some games act weirdly in fullscreen mode (this might be related, as I've never had this issue before now: https://github.com/ValveSoftware/csgo-osx- linux/issues/2429). EDIT: This only happens when fractional scaling is enabled. My config; main 4K screen at 150% and secondary 1080p screen to the right at 100%. YouTube fullscreens fine on the sec. screen (1080 100%). This is a gif I posted in the related bug report showing exactly what happens: https://bugs.launchpad.net/ubuntu/+source/gnome- shell/+bug/1863391/+attachment/5397743/+files/20200731_160007.gif ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: mutter 3.36.3-0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.4 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Aug 3 14:03:00 2020 InstallationDate: Installed on 2020-07-30 (4 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1890141/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
