https://bugs.kde.org/show_bug.cgi?id=503360
Bug ID: 503360
Summary: Weird 100% transparent thin line in apps like Kate and
Konsole.
Classification: Plasma
Product: kwin
Version: 6.3.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: cas.vankrunkels...@protonmail.com
Target Milestone: ---
SUMMARY
There is a weird 100% transparent line in some apps like Kate, Konsole and
Kwrite. They don't seem to appear in apps like Firefox, Steam and Discord.
Sometimes the line flickers too but that's very infrequent. The line always
appears at the same height and goes away sometimes when more text goes over the
line and always goes away when moving the window. I tried the same apps in a
kwin_wayland session and a weston session. They don't appear in weston but they
do appear in kwin_wayland. It has been there for a few months.
STEPS TO REPRODUCE
1. Open Kwrite, Konsole, Kate...
2. Do some stuff (execute commands, write text) until certain height until line
appears.
OBSERVED RESULT
There is a transparent line
EXPECTED RESULT
Line should not be there
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
INFO CENTER
Operating System: EndeavourOS
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.13.0
Qt Version: 6.9.0
Kernel Version: 6.14.3-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7600 6-Core Processor
Memory: 30,5 GiB of RAM
Graphics Processor 1: AMD Radeon RX 7800 XT
Graphics Processor 2: AMD Radeon Graphics
Manufacturer: ASRock
Product Name: B650M Pro RS WiFi
KWin Support Information:
==========================
Version
=======
KWin version: 6.3.4
Qt Version: 6.9.0
Qt compile version: 6.9.0
XCB compile version: 1.17.0
Operation Mode: Wayland
Build Options
=============
KWIN_BUILD_DECORATIONS: yes
KWIN_BUILD_TABBOX: yes
KWIN_BUILD_ACTIVITIES: yes
HAVE_X11_XCB: yes
HAVE_GLX: yes
X11
===
Vendor: The X.Org Foundation
Vendor Release: 12401006
Protocol Version/Revision: 11/0
SHAPE: yes; Version: 0x11
RANDR: yes; Version: 0x14
DAMAGE: yes; Version: 0x11
Composite: yes; Version: 0x4
RENDER: yes; Version: 0xb
XFIXES: yes; Version: 0x50
SYNC: yes; Version: 0x31
GLX: yes; Version: 0x0
Decoration
==========
Plugin: org.kde.kwin.aurorae
Theme: __aurorae__svg__Slot-Blur-Dark-Aurorae-6
Plugin recommends border size: No
onAllDesktopsAvailable: false
alphaChannelSupported: true
closeOnDoubleClickOnMenu: false
decorationButtonsLeft: 0, 2
decorationButtonsRight: 6, 3, 4, 5
borderSize: 0
gridUnit: 10
font: Noto Sans,10,-1,0,400,0,0,0,0,0,0,0,0,0,0,1
smallSpacing: 2
largeSpacing: 10
Output backend
==============
Name: DRM
Atomic Mode Setting on GPU 0: true
Cursor
======
themeName: Breeze_Light
themeSize: 24
Options
=======
focusPolicy: ClickToFocus
xwaylandCrashPolicy: 1
xwaylandMaxCrashCount: 3
nextFocusPrefersMouse: false
clickRaise: true
autoRaise: false
autoRaiseInterval: 0
delayFocusInterval: 0
shadeHover: false
shadeHoverInterval: 250
separateScreenFocus: true
placement: 5
activationDesktopPolicy: SwitchToOtherDesktop
focusPolicyIsReasonable: true
borderSnapZone: 10
windowSnapZone: 10
centerSnapZone: 0
snapOnlyWhenOverlapping: false
edgeBarrier: 100
cornerBarrier: 1
rollOverDesktops: false
focusStealingPreventionLevel: 1
operationTitlebarDblClick: 5000
operationMaxButtonLeftClick: 5000
operationMaxButtonMiddleClick: 5015
operationMaxButtonRightClick: 5014
commandActiveTitlebar1: MouseRaise
commandActiveTitlebar2: MouseMinimize
commandActiveTitlebar3: MouseOperationsMenu
commandInactiveTitlebar1: MouseActivateAndRaise
commandInactiveTitlebar2: MouseNothing
commandInactiveTitlebar3: MouseOperationsMenu
commandWindow1: MouseActivateRaiseOnReleaseAndPassClick
commandWindow2: MouseActivateAndPassClick
commandWindow3: MouseActivateAndPassClick
commandWindowWheel: MouseNothing
commandAll1: MouseUnrestrictedMove
commandAll2: MouseToggleRaiseAndLower
commandAll3: MouseUnrestrictedResize
keyCmdAllModKey: 16777250
doubleClickBorderToMaximize: true
condensedTitle: false
electricBorderMaximize: true
electricBorderTiling: true
electricBorderCornerRatio: 0.25
borderlessMaximizedWindows: false
killPingTimeout: 5000
compositingMode: 1
useCompositing: true
hiddenPreviews: 1
glSmoothScale: 2
glStrictBinding: true
glStrictBindingFollowsDriver: true
glPreferBufferSwap: AutoSwapStrategy
glPlatformInterface: 2
windowsBlockCompositing: true
allowTearing: true
interactiveWindowMoveEnabled: true
Screen Edges
============
desktopSwitching: false
desktopSwitchingMovingClients: false
cursorPushBackDistance: 1x1
actionTopLeft: 0
actionTop: 0
actionTopRight: 0
actionRight: 0
actionBottomRight: 0
actionBottom: 0
actionBottomLeft: 5
actionLeft: 0
Screens
=======
Number of Screens: 1
Screen 0:
---------
Name: DP-2
Enabled: 1
Geometry: 0,0,2226x1252
Physical size: 597x336mm
Scale: 1.15
Refresh Rate: 143912
Adaptive Sync: never
Compositing
===========
Compositing is active
Compositing Type: OpenGL
OpenGL vendor string: AMD
OpenGL renderer string: AMD Radeon RX 7800 XT (radeonsi, navi32, LLVM 19.1.7,
DRM 3.61, 6.14.3-arch1-1)
OpenGL version string: 4.6 (Core Profile) Mesa 25.0.4-arch1.1
OpenGL platform interface: EGL
OpenGL shading language version string: 4.60
Driver: Unknown
GPU class: Unknown
OpenGL version: 4.6
GLSL version: 4.60
Mesa version: 25.0.4
X server version: 1.24.1
Linux kernel version: 6.14.3
Direct rendering: Requires strict binding: no
Virtual Machine: no
OpenGL 2 Shaders are used
Loaded Effects:
---------------
shakecursor
screenshot
outputlocator
colorpicker
zoom
screenedge
blur
contrast
logout
login
sessionquit
slidingpopups
windowaperture
translucency
slide
glide
fullscreen
dimscreen
frozenapp
fadingpopups
squash
maximize
sheet
dialogparent
windowview
tileseditor
overview
highlightwindow
blendchanges
startupfeedback
systembell
screentransform
kscreen
Currently Active Effects:
-------------------------
blur
contrast
glide
highlightwindow
Effect Settings:
----------------
shakecursor:
screenshot:
outputlocator:
colorpicker:
zoom:
zoomFactor: 1.2
mousePointer: 0
mouseTracking: 0
focusTrackingEnabled: false
textCaretTrackingEnabled: false
focusDelay: 350
moveFactor: 20
targetZoom: 1
screenedge:
blur:
contrast:
logout:
pluginId: logout
isActiveFullScreenEffect: false
login:
pluginId: login
isActiveFullScreenEffect: false
sessionquit:
pluginId: sessionquit
isActiveFullScreenEffect: false
slidingpopups:
slideInDuration: 200
slideOutDuration: 200
windowaperture:
pluginId: windowaperture
isActiveFullScreenEffect: false
translucency:
pluginId: translucency
isActiveFullScreenEffect: false
slide:
horizontalGap: 45
verticalGap: 20
slideBackground: true
glide:
duration: 160
inRotationEdge: Top
inRotationAngle: 3
inDistance: 30
inOpacity: 0.4
outRotationEdge: Bottom
outRotationAngle: 3
outDistance: 30
outOpacity: 0
fullscreen:
pluginId: fullscreen
isActiveFullScreenEffect: false
dimscreen:
pluginId: dimscreen
isActiveFullScreenEffect: false
frozenapp:
pluginId: frozenapp
isActiveFullScreenEffect: false
fadingpopups:
pluginId: fadingpopups
isActiveFullScreenEffect: false
squash:
pluginId: squash
isActiveFullScreenEffect: false
maximize:
pluginId: maximize
isActiveFullScreenEffect: false
sheet:
duration: 300
dialogparent:
pluginId: dialogparent
isActiveFullScreenEffect: false
windowview:
activeView:
delegate:
animationDuration: 300
ignoreMinimized: false
mode:
partialActivationFactor: 0
gestureInProgress: false
searchText:
selectedIds:
tileseditor:
activeView:
delegate:
animationDuration: 200
overview:
activeView:
delegate:
animationDuration: 300
ignoreMinimized: false
filterWindows: true
organizedGrid: true
overviewPartialActivationFactor: 0
overviewGestureInProgress: false
transitionPartialActivationFactor: 0
transitionGestureInProgress: false
gridPartialActivationFactor: 0
gridGestureInProgress: false
desktopOffset:
searchText:
highlightwindow:
blendchanges:
startupfeedback:
type: 0
systembell:
screentransform:
kscreen:
Loaded Plugins:
---------------
BounceKeysPlugin
KeyNotificationPlugin
StickyKeysPlugin
buttonsrebind
eis
krunnerintegration
nightlight
screencast
Available Plugins:
------------------
BounceKeysPlugin
KeyNotificationPlugin
StickyKeysPlugin
buttonsrebind
eis
krunnerintegration
nightlight
screencast
ADDITIONAL INFORMATION
None to report. Themes should be in KWin Support Information if that matters.
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