https://bugs.kde.org/show_bug.cgi?id=426496
--- Comment #10 from magnus.gros...@gmail.com --- @David Edmundson: env: CADENCE_AUTO_STARTED=true COLORFGBG=15;0 COLORTERM=truecolor CUDA_PATH=/opt/cuda DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus DESKTOP_SESSION=/usr/share/xsessions/plasma DISABLE_AUTO_UPDATE=true DISPLAY=:0 DSSI_PATH=/home/magnus/.dssi:/usr/lib/dssi:/usr/local/lib/dssi EDITOR=vim GOPATH=/home/magnus/Documents/Go GTK2_RC_FILES=/etc/gtk-2.0/gtkrc:/home/magnus/.gtkrc-2.0:/home/magnus/.config/gtkrc-2.0 GTK_MODULES=canberra-gtk-module GTK_RC_FILES=/etc/gtk/gtkrc:/home/magnus/.gtkrc:/home/magnus/.config/gtkrc HOME=/home/magnus KDED_STARTED_BY_KDEINIT=1 KDE_APPLICATIONS_AS_SCOPE=1 KDE_FULL_SESSION=true KDE_SESSION_UID=1000 KDE_SESSION_VERSION=5 KEYTIMEOUT=1 KONSOLE_DBUS_SERVICE=:1.40 KONSOLE_DBUS_SESSION=/Sessions/1 KONSOLE_DBUS_WINDOW=/Windows/1 KONSOLE_VERSION=200801 KWIN_TRIPLE_BUFFER=1 LADSPA_PATH=/home/magnus/.ladspa:/usr/lib/ladspa:/usr/local/lib/ladspa LANG=de_DE.UTF-8 LANGUAGE= LESS=-Ri LOGNAME=magnus LV2_PATH=/home/magnus/.lv2:/usr/lib/lv2:/usr/local/lib/lv2 MAIL=/var/spool/mail/magnus MOTD_SHOWN=pam OLDPWD=/home/magnus PAM_KWALLET5_LOGIN=/run/user/1000/kwallet5.socket PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/cuda/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl PROFILEHOME= PWD=/home/magnus QT_AUTO_SCREEN_SCALE_FACTOR=0 QT_SCREEN_SCALE_FACTORS=eDP1=1.25;HDMI1=1.25;VIRTUAL1=1.25; SHELL=/usr/bin/zsh SHELL_SESSION_ID=b596d138216b4dcdbeeae3af39da3a60 SHLVL=1 TDESKTOP_DISABLE_TRAY_COUNTER=1 TERM=xterm-256color USER=magnus VST_PATH=/home/magnus/.vst:/usr/lib/vst:/usr/local/lib/vst WINDOWID=62914567 XAUTHORITY=/home/magnus/.Xauthority XCURSOR_SIZE=24 XCURSOR_THEME=Adwaita XDG_CONFIG_HOME=/home/magnus/.config XDG_CURRENT_DESKTOP=KDE XDG_RUNTIME_DIR=/run/user/1000 XDG_SEAT=seat0 XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0 XDG_SESSION_CLASS=user XDG_SESSION_DESKTOP=KDE XDG_SESSION_ID=2 XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session1 XDG_SESSION_TYPE=x11 XDG_VTNR=1 _=/usr/bin/env __GL_YIELD=usleep P9K_TTY=old PAGER=less LSCOLORS=Gxfxcxdxbxegedabagacad LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36: P9K_SSH=0 Qt 5.15.1 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 10.2.0) on "xcb" OS: Arch Linux [linux version 5.4.64-1-lts] Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 Environment: QT_AUTO_SCREEN_SCALE_FACTOR="0" QT_SCREEN_SCALE_FACTORS="eDP1=1.25;HDMI1=1.25;VIRTUAL1=1.25;" Features: QT_NO_EXCEPTIONS Library info: PrefixPath: /usr DocumentationPath: /usr/share/doc/qt HeadersPath: /usr/include/qt LibrariesPath: /usr/lib LibraryExecutablesPath: /usr/lib/qt/libexec BinariesPath: /usr/bin PluginsPath: /usr/lib/qt/plugins ImportsPath: /usr/lib/qt/imports Qml2ImportsPath: /usr/lib/qt/qml ArchDataPath: /usr/lib/qt DataPath: /usr/share/qt TranslationsPath: /usr/share/qt/translations ExamplesPath: /usr/share/doc/qt/examples TestsPath: /usr/tests SettingsPath: /etc/xdg Standard paths [*...* denote writable entry]: DesktopLocation: "Desktop" */home/magnus/Desktop* DocumentsLocation: "Documents" */home/magnus/Documents* FontsLocation: "Fonts" */home/magnus/.local/share/fonts* /home/magnus/.fonts /usr/local/share/fonts /usr/share/fonts ApplicationsLocation: "Applications" */home/magnus/.local/share/applications* /usr/local/share/applications /usr/share/applications MusicLocation: "Music" */home/magnus/Music* MoviesLocation: "Movies" */home/magnus/Videos* PicturesLocation: "Pictures" */home/magnus/Pictures* TempLocation: "Temporary Directory" */tmp* HomeLocation: "Home" */home/magnus* AppLocalDataLocation: "Application Data" */home/magnus/.local/share/QtProject/qtdiag* /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag CacheLocation: "Cache" */home/magnus/.cache/QtProject/qtdiag* GenericDataLocation: "Shared Data" */home/magnus/.local/share* /usr/local/share /usr/share RuntimeLocation: "Runtime" */run/user/1000* ConfigLocation: "Configuration" */home/magnus/.config* /etc/xdg DownloadLocation: "Download" */home/magnus/Downloads* GenericCacheLocation: "Shared Cache" */home/magnus/.cache* GenericConfigLocation: "Shared Configuration" */home/magnus/.config* /etc/xdg AppDataLocation: "Application Data" */home/magnus/.local/share/QtProject/qtdiag* /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag AppConfigLocation: "Application Configuration" */home/magnus/.config/QtProject/qtdiag* /etc/xdg/QtProject/qtdiag File selectors (increasing order of precedence): de_DE unix linux arch Network: Using "OpenSSL 1.1.1g 21 Apr 2020", version: 0x1010107f Platform capabilities: ThreadedPixmaps OpenGL ThreadedOpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement SyncState RasterGLSurface SwitchableWidgetComposition Style hints: mouseDoubleClickInterval: 400 mousePressAndHoldInterval: 800 startDragDistance: 10 startDragTime: 500 startDragVelocity: 0 keyboardInputInterval: 400 keyboardAutoRepeatRate: 30 cursorFlashTime: 1000 showIsFullScreen: 0 showIsMaximized: 0 passwordMaskDelay: 0 passwordMaskCharacter: U+25CF fontSmoothingGamma: 1.7 useRtlExtensions: 0 setFocusOnTouchRelease: 0 tabFocusBehavior: Qt::TabFocusAllControls singleClickActivation: 1 Additional style hints (QPlatformIntegration): ReplayMousePressOutsidePopup: 0 Theme: Platforms requested : kde,generic available : kde,gtk3,snap,flatpak,xdgdesktopportal Styles requested : Breeze,breeze,oxygen,fusion,windows available : Breeze,Windows,Fusion Icon theme : Papirus-Light, hicolor from /usr/share/icons System font : "Google Sans" 10 Fonts: General font : "Google Sans" 10 Fixed font : "Fira Code" 9 Title font : "Google Sans" 10 Smallest font: "Google Sans" 10 Palette: QPalette::WindowText: #ff232627 QPalette::Button: #ffeff0f1 QPalette::Light: #ffffffff QPalette::Midlight: #fff6f7f7 QPalette::Dark: #ff888e93 QPalette::Mid: #ffc4c8cc QPalette::Text: #ff232627 QPalette::BrightText: #ffffffff QPalette::ButtonText: #ff232627 QPalette::Base: #fffcfcfc QPalette::Window: #ffeff0f1 QPalette::Shadow: #ff474a4c QPalette::Highlight: #ff3daee9 QPalette::HighlightedText: #fffcfcfc QPalette::Link: #ff2980b9 QPalette::LinkVisited: #ff7f8c8d QPalette::AlternateBase: #ffeff0f1 QPalette::NoRole: #ff000000 QPalette::ToolTipBase: #ff232627 QPalette::ToolTipText: #fffcfcfc QPalette::PlaceholderText: #80232627 Screens: 1, High DPI scaling: active # 0 "HDMI1" Depth: 24 Primary: yes Manufacturer: BNQ Model: BenQ EW3270U- Serial number: P4K05053019- Geometry: 3072x1728+0+0 (native: 3840x2160+0+0) Available: 3072x1706+0+22 Physical size: 700x390 mm Refresh: 30 Hz Power state: 0 Physical DPI: 111.47,112.542 Logical DPI: 96,96 (native: 120,120) Subpixel_None High DPI scaling factor: 1.25 DevicePixelRatio: 1.25 Pixel density: 1 Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0 LibGL Vendor: Intel Open Source Technology Center Renderer: Mesa DRI Intel(R) HD Graphics 4600 (HSW GT2) Version: 3.0 Mesa 20.1.7 Shading language: 1.30 Format: Version: 3.0 Profile: 0 Swap behavior: 0 Buffer size (RGB): 8,8,8 Profile: None (QOpenGLFunctions_3_0) Vulkan instance available Supported instance extensions: VK_KHR_device_group_creation, version 1 VK_KHR_display, version 23 VK_KHR_external_fence_capabilities, version 1 VK_KHR_external_memory_capabilities, version 1 VK_KHR_external_semaphore_capabilities, version 1 VK_KHR_get_display_properties2, version 1 VK_KHR_get_physical_device_properties2, version 2 VK_KHR_get_surface_capabilities2, version 1 VK_KHR_surface, version 25 VK_KHR_surface_protected_capabilities, version 1 VK_KHR_xcb_surface, version 6 VK_KHR_xlib_surface, version 6 VK_EXT_acquire_xlib_display, version 1 VK_EXT_debug_report, version 9 VK_EXT_debug_utils, version 1 VK_EXT_direct_mode_display, version 1 VK_EXT_display_surface_counter, version 1 Supported layers: VK_LAYER_MANGOHUD_overlay, version 1, spec version 1.2.135, Vulkan Hud Overlay VK_LAYER_NV_optimus, version 1, spec version 1.2.133, NVIDIA Optimus layer Available physical devices: API version 1.2.133, vendor 0x10DE, device 0x139B, GeForce GTX 960M, type 2, driver version 450.264.0 Qt Rendering Hardware Interface supported backends: OpenGL (with default QSurfaceFormat): Min Texture Size: 1 Max Texture Size: 16384 Max Color Attachments: 8 Frames in Flight: 1 Uniform Buffer Alignment: 1 Supported MSAA sample counts: 1,2,4,8 Features: - MultisampleTexture v MultisampleRenderBuffer - DebugMarkers - Timestamps - Instancing - CustomInstanceStepRate - PrimitiveRestart v NonDynamicUniformBuffers v NonFourAlignedEffectiveIndexBufferOffset v NPOTTextureRepeat - RedOrAlpha8IsRed v ElementIndexUint - Compute v WideLines v VertexShaderPointSize - BaseVertex - BaseInstance v TriangleFanTopology v ReadBackNonUniformBuffer v ReadBackNonBaseMipLevel Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 ETC2_RGB8 ETC2_RGB8A1 ETC2_RGBA8 Vulkan: Min Texture Size: 1 Max Texture Size: 16384 Max Color Attachments: 8 Frames in Flight: 2 Uniform Buffer Alignment: 256 Supported MSAA sample counts: 1,2,4,8 Features: v MultisampleTexture v MultisampleRenderBuffer - DebugMarkers v Timestamps v Instancing - CustomInstanceStepRate v PrimitiveRestart v NonDynamicUniformBuffers v NonFourAlignedEffectiveIndexBufferOffset v NPOTTextureRepeat v RedOrAlpha8IsRed v ElementIndexUint v Compute v WideLines v VertexShaderPointSize v BaseVertex v BaseInstance v TriangleFanTopology v ReadBackNonUniformBuffer v ReadBackNonBaseMipLevel Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7 I can also confirm that replugging the external monitor OR using plasmashell --replace fixes the problem. (Though for now I will just stay with Qt 5.15.0 to fix it) -- You are receiving this mail because: You are watching all bug changes.