https://bugs.kde.org/show_bug.cgi?id=413305
Bug ID: 413305
Summary: [Wayland] 100% cpu usage, system lagging, radeon
amdgpu
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: meve...@gmail.com
Target Milestone: ---
SUMMARY
STEPS TO REPRODUCE
1. Start a plasma Wayland session
OBSERVED RESULT
kwin_wayland uses 1 whole CPU spinning 90-100% making the system laggy
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.17.80 (5.18 from source)
KDE Frameworks Version: 5.64 (from source)
Qt Version: 5.12.4
ADDITIONAL INFORMATION
I have two screens and a AMD Radeon RX 560 GPU using amdgpu driver.
The display painted zone effect show the whole screen is repainted all the
time.
It seems the issue is that the Compositing Type is QPainter.
Trace of sudo gdb -pid=`pidof kwin_wayland`
0x00007f76ddd2ab5e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
(gdb) bt
#0 0x00007f76ddd2ab5e in () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#1 0x00007f76ddfe1565 in () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#2 0x00007f76ddffb601 in QPainter::drawImage(QRectF const&, QImage const&,
QRectF const&, QFlags<Qt::ImageConversionFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#3 0x00007f76d6455e5b in QPainter::drawImage(QRect const&, QImage const&,
QRect const&, QFlags<Qt::ImageConversionFlag>) (flags=...,
sourceRect=<synthetic pointer>..., image=..., targetRect=<synthetic
pointer>..., this=0x559d0e6feda0)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qrect.h:269
#4 0x00007f76d6455e5b in KWin::SceneQPainter::Window::performPaint(int,
QRegion, KWin::WindowPaintData) (this=this@entry=0x559d0ea4b670,
mask=mask@entry=10, region=..., data=...) at
/home/meven/kde/src/kwin/plugins/scenes/qpainter/scene_qpainter.cpp:297
#5 0x00007f76e0cda05d in KWin::Scene::finalDrawWindow(KWin::EffectWindowImpl*,
int, QRegion, KWin::WindowPaintData&) (this=this@entry=0x559d0e7197c0,
w=w@entry=0x559d0eab8b80, mask=mask@entry=10, region=..., data=...) at
/home/meven/kde/src/kwin/effects.h:655
#6 0x00007f76e0c3a2e7 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) (this=this@entry=0x559d0ea9e090,
w=w@entry=0x559d0eab8b80, mask=mask@entry=10, region=..., data=...) at
/home/meven/kde/src/kwin/effects.cpp:486
#7 0x00007f76e0cd446f in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) (this=this@entry=0x559d0e7197c0,
w=w@entry=0x559d0eab8b80, mask=mask@entry=10, region=..., data=...) at
/home/meven/kde/src/kwin/scene.cpp:612
#8 0x00007f76e0c3a120 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) (this=this@entry=0x559d0ea9e090, w=0x559d0eab8b80,
mask=mask@entry=10, region=..., data=...) at
/home/meven/kde/src/kwin/effects.cpp:449
#9 0x00007f76e0cd9f06 in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) (this=this@entry=0x559d0e7197c0,
w=0x559d0ea4b670, mask=10, region=..., quads=...) at
/home/meven/kde/src/kwin/scene.cpp:484
#10 0x00007f76e0cd7655 in KWin::Scene::paintSimpleScreen(int, QRegion)
(this=this@entry=0x559d0e7197c0, orig_mask=orig_mask@entry=8, region=...) at
/home/meven/kde/src/kwin/libkwineffects/kwineffects.h:2542
#11 0x00007f76e0cd94e0 in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) (this=this@entry=0x559d0e7197c0, mask=mask@entry=8,
region=..., data=...) at /home/meven/kde/src/kwin/scene.cpp:199
#12 0x00007f76e0c39e72 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) (this=this@entry=0x559d0ea9e090, mask=8, region=...,
data=...) at /home/meven/kde/src/kwin/effects.cpp:406
#13 0x00007f76e0cd9193 in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&)
(this=this@entry=0x559d0e7197c0, mask=mask@entry=0x7fff437e72d4,
damage=..., repaint=..., updateRegion=updateRegion@entry=0x7fff437e72e0,
validRegion=validRegion@entry=0x7fff437e72e8, projection=...,
outputGeometry=...) at /home/meven/kde/src/kwin/scene.cpp:149
#14 0x00007f76d64535c0 in KWin::SceneQPainter::paint(QRegion,
QList<KWin::Toplevel*>) (this=this@entry=0x559d0e7197c0, damage=...,
toplevels=...) at /usr/include/x86_64-linux-gnu/qt5/QtGui/qmatrix4x4.h:358
#15 0x00007f76e0bfdfd1 in KWin::Compositor::performCompositing()
(this=0x559d0e7fa360) at /home/meven/kde/src/kwin/composite.cpp:693
#16 0x00007f76d7e8d6bd in drmHandleEvent () at
/usr/lib/x86_64-linux-gnu/libdrm.so.2
#17 0x00007f76d7ee3713 in KWin::DrmBackend::<lambda()>::operator()
(__closure=<optimized out>) at
/home/meven/kde/src/kwin/plugins/platforms/drm/drm_backend.cpp:278
qdbus org.kde.KWin /KWin supportInformation:
Version
=======
KWin version: 5.17.80
Qt Version: 5.12.4
Qt compile version: 5.12.4
XCB compile version: 1.13.1
Operation Mode: Xwayland
Build Options
=============
KWIN_BUILD_DECORATIONS: yes
KWIN_BUILD_TABBOX: yes
KWIN_BUILD_ACTIVITIES: yes
HAVE_DRM: yes
HAVE_GBM: no
HAVE_EGL_STREAMS: yes
HAVE_X11_XCB: yes
HAVE_EPOXY_GLX: yes
HAVE_WAYLAND_EGL: yes
X11
===
Vendor: The X.Org Foundation
Vendor Release: 12005000
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.breeze
Theme:
Plugin recommends border size: None
Blur: 0
onAllDesktopsAvailable: false
alphaChannelSupported: true
closeOnDoubleClickOnMenu: false
decorationButtonsLeft: 0, 2
decorationButtonsRight: 6, 3, 4, 5
borderSize: 0
gridUnit: 10
font: Noto Sans,10,-1,5,50,0,0,0,0,0,Regular
smallSpacing: 2
largeSpacing: 10
Platform
==========
Name: DRM
Active: true
Atomic Mode Setting: true
Using EGL Streams: false
Options
=======
focusPolicy: 0
nextFocusPrefersMouse: false
clickRaise: true
autoRaise: false
autoRaiseInterval: 0
delayFocusInterval: 0
shadeHover: false
shadeHoverInterval: 250
separateScreenFocus: false
placement: 4
focusPolicyIsReasonable: true
borderSnapZone: 10
windowSnapZone: 10
centerSnapZone: 0
snapOnlyWhenOverlapping: false
rollOverDesktops: true
focusStealingPreventionLevel: 1
operationTitlebarDblClick: 5000
operationMaxButtonLeftClick: 5000
operationMaxButtonMiddleClick: 5015
operationMaxButtonRightClick: 5014
commandActiveTitlebar1: 0
commandActiveTitlebar2: 28
commandActiveTitlebar3: 2
commandInactiveTitlebar1: 4
commandInactiveTitlebar2: 28
commandInactiveTitlebar3: 2
commandWindow1: 7
commandWindow2: 8
commandWindow3: 8
commandWindowWheel: 28
commandAll1: 10
commandAll2: 3
commandAll3: 14
keyCmdAllModKey: 16777251
showGeometryTip: false
condensedTitle: false
electricBorderMaximize: true
electricBorderTiling: true
electricBorderCornerRatio: 0.25
borderlessMaximizedWindows: true
killPingTimeout: 5000
hideUtilityWindowsForInactive: true
compositingMode: 1
useCompositing: true
hiddenPreviews: 1
glSmoothScale: 1
xrenderSmoothScale: false
maxFpsInterval: 16666666
refreshRate: 0
vBlankTime: 6000000
glStrictBinding: true
glStrictBindingFollowsDriver: true
glCoreProfile: true
glPreferBufferSwap: 101
glPlatformInterface: 2
windowsBlockCompositing: true
Screen Edges
============
desktopSwitching: false
desktopSwitchingMovingClients: false
cursorPushBackDistance: 1x1
timeThreshold: 150
reActivateThreshold: 350
actionTopLeft: 0
actionTop: 0
actionTopRight: 0
actionRight: 0
actionBottomRight: 0
actionBottom: 0
actionBottomLeft: 0
actionLeft: 0
Screens
=======
Multi-Head: no
Active screen follows mouse: no
Number of Screens: 2
Screen 0:
---------
Name: DEL DP-1-DELL U2515H/9X2VY69209CL
Geometry: 0,0,2560x1440
Scale: 1
Refresh Rate: 59.951
Screen 1:
---------
Name: DEL DVI-D-1-DELL 1908FP/UW5387CD2TJH
Geometry: 2560,0,1280x1024
Scale: 1
Refresh Rate: 60.02
Compositing
===========
Compositing is active
Compositing Type: QPainter
Loaded Effects:
---------------
zoom
desktopgrid
presentwindows
highlightwindow
screenedge
kscreen
Currently Active Effects:
-------------------------
Effect Settings:
----------------
zoom:
zoomFactor: 1.2
mousePointer: 0
mouseTracking: 0
enableFocusTracking: false
followFocus: true
focusDelay: 350
moveFactor: 20
targetZoom: 1
desktopgrid:
zoomDuration: 75
border: 10
desktopNameAlignment: 0
layoutMode: 0
customLayoutRows: 2
usePresentWindows: true
presentwindows:
layoutMode: 0
showCaptions: true
showIcons: true
doNotCloseWindows: false
ignoreMinimized: false
accuracy: 20
fillGaps: true
fadeDuration: 37
showPanel: false
leftButtonWindow: 1
rightButtonWindow: 2
middleButtonWindow: 0
leftButtonDesktop: 2
middleButtonDesktop: 0
rightButtonDesktop: 0
highlightwindow:
screenedge:
kscreen:
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