Application: kwin_x11 (5.9.90) (Compiled from sources) Qt Version: 5.7.1 Frameworks Version: 5.31.0 Operating System: Linux 4.9.4-gentoo x86_64 Distribution: "Gentoo Base System release 2.3" -- Information about the crash: - What I was doing when the application crashed: Sometimes when using the "Desktop Grid" effect, kwin_x11 crashes. Probably related: sometimes kwin_x11 also just hangs for several minutes with 100% CPU consumption when using the "Desktop Grid" effect. Backtrace included. Running KF5/Plasma from git: - kde-frameworks/kwindowsystem d299f526 - kde-plasma/kwin 0fcbf4ba See support information below for further details. - Custom settings of the application: Version ======= KWin version: 5.9.90 Qt Version: 5.7.1 Qt compile version: 5.7.1 XCB compile version: 1.12 Operation Mode: X11 only Build Options ============= KWIN_BUILD_DECORATIONS: yes KWIN_BUILD_TABBOX: yes KWIN_BUILD_ACTIVITIES: yes HAVE_INPUT: yes HAVE_DRM: yes HAVE_GBM: yes HAVE_X11_XCB: yes HAVE_EPOXY_GLX: yes HAVE_WAYLAND_EGL: yes X11 === Vendor: The X.Org Foundation Vendor Release: 11804000 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: Blur: 0 onAllDesktopsAvailable: true alphaChannelSupported: true closeOnDoubleClickOnMenu: false decorationButtonsLeft: 0, 2, 9 decorationButtonsRight: 6, 3, 4, 5 borderSize: 3 gridUnit: 10 font: Oxygen-Sans,10,-1,5,50,0,0,0,0,0 smallSpacing: 2 largeSpacing: 10 Options ======= focusPolicy: 1 nextFocusPrefersMouse: true 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: 0 legacyFullscreenSupport: false operationTitlebarDblClick: 5000 operationMaxButtonLeftClick: 5000 operationMaxButtonMiddleClick: 5015 operationMaxButtonRightClick: 5014 commandActiveTitlebar1: 0 commandActiveTitlebar2: 30 commandActiveTitlebar3: 2 commandInactiveTitlebar1: 4 commandInactiveTitlebar2: 30 commandInactiveTitlebar3: 2 commandWindow1: 7 commandWindow2: 8 commandWindow3: 8 commandWindowWheel: 31 commandAll1: 10 commandAll2: 3 commandAll3: 14 keyCmdAllModKey: 16777250 showGeometryTip: true condensedTitle: false electricBorderMaximize: true electricBorderTiling: true electricBorderCornerRatio: 0.25 borderlessMaximizedWindows: false killPingTimeout: 5000 hideUtilityWindowsForInactive: true inactiveTabsSkipTaskbar: false autogroupSimilarWindows: false autogroupInForeground: true compositingMode: 1 useCompositing: true compositingInitialized: true hiddenPreviews: 1 glSmoothScale: 2 xrenderSmoothScale: false maxFpsInterval: 16666666 refreshRate: 0 vBlankTime: 6000000 glStrictBinding: true glStrictBindingFollowsDriver: true glCoreProfile: true glPreferBufferSwap: 101 glPlatformInterface: 1 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: eDP-1 Geometry: 320,1440,1920x1080 Refresh Rate: 60.001 Screen 1: --------- Name: DP-1 Geometry: 0,0,2560x1440 Refresh Rate: 59.9506 Compositing =========== Compositing is active Compositing Type: OpenGL OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Mobile OpenGL version string: 3.3 (Core Profile) Mesa 12.0.5 OpenGL platform interface: GLX OpenGL shading language version string: 3.30 Driver: Intel GPU class: IvyBridge OpenGL version: 3.3 GLSL version: 3.30 Mesa version: 12.0.5 X server version: 1.18.4 Linux kernel version: 4.9.4 Direct rendering: Requires strict binding: yes GLSL shaders: yes Texture NPOT support: yes Virtual Machine: no OpenGL 2 Shaders are used Painting blocks for vertical retrace: no Loaded Effects: --------------- mouseclick lookingglass dimscreen slidingpopups kwin4_effect_login slideback screenshot minimizeanimation kwin4_effect_windowaperture kwin4_effect_eyeonscreen kwin4_effect_fadedesktop glide flipswitch desktopgrid coverswitch colorpicker sheet kwin4_effect_morphingpopups kwin4_effect_fade kwin4_effect_maximize presentwindows highlightwindow kwin4_effect_dialogparent blur windowgeometry startupfeedback screenedge kscreen Currently Active Effects: ------------------------- blur Effect Settings: ---------------- mouseclick: color1: #ff0000 color2: #00ff00 color3: #0000ff lineWidth: 1 ringLife: 300 ringSize: 20 ringCount: 2 showText: true font: Noto Sans,10,-1,5,50,0,0,0,0,0 enabled: false lookingglass: initialRadius: 200 dimscreen: slidingpopups: fadeInTime: 75 fadeOutTime: 125 kwin4_effect_login: slideback: screenshot: minimizeanimation: kwin4_effect_windowaperture: kwin4_effect_eyeonscreen: kwin4_effect_fadedesktop: glide: duration: 175 effect: 0 angle: -90 flipswitch: tabBox: false tabBoxAlternative: false duration: 100 angle: 30 xPosition: 0.33000001311302185 yPosition: 1 windowTitle: true desktopgrid: zoomDuration: 150 border: 10 desktopNameAlignment: 0 layoutMode: 1 customLayoutRows: 2 usePresentWindows: true coverswitch: animationDuration: 100 animateSwitch: true animateStart: true animateStop: true reflection: true windowTitle: true zPosition: 900 primaryTabBox: false secondaryTabBox: false colorpicker: sheet: duration: 250 kwin4_effect_morphingpopups: kwin4_effect_fade: kwin4_effect_maximize: presentwindows: layoutMode: 0 showCaptions: true showIcons: true doNotCloseWindows: false ignoreMinimized: false accuracy: 20 fillGaps: true fadeDuration: 75 showPanel: false leftButtonWindow: 1 rightButtonWindow: 2 middleButtonWindow: 4 leftButtonDesktop: 2 middleButtonDesktop: 0 rightButtonDesktop: 0 highlightwindow: kwin4_effect_dialogparent: blur: blurRadius: 12 cacheTexture: true windowgeometry: handlesMoves: true handlesResizes: true startupfeedback: type: 1 screenedge: kscreen: The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Aborted Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fc738a43880 (LWP 6998))] Thread 7 (Thread 0x7fc71e855700 (LWP 7003)): #0 0x00007fc738315e6d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc73623b7da in poll (__timeout=-1, __nfds=1, __fds=0x7fc71000aeb8) at /usr/include/bits/poll2.h:46 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fc71000aeb8) at kernel/qcore_unix.cpp:83 #3 qt_safe_poll (fds=0x7fc71000aeb8, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007fc73623ce3d in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007fc7361f2f1a in QEventLoop::exec (this=this@entry=0x7fc71e854d10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007fc73604c394 in QThread::exec (this=this@entry=0x7fc738bd1b00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:507 #7 0x00007fc738b63445 in QDBusConnectionManager::run (this=0x7fc738bd1b00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178 #8 0x00007fc73605092c in QThreadPrivate::start (arg=0x7fc738bd1b00 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368 #9 0x00007fc7385dd454 in start_thread (arg=0x7fc71e855700) at pthread_create.c:333 #10 0x00007fc73831ef4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fc70d3ca700 (LWP 7017)): #0 0x00007fc738315e6d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc73623b7da in poll (__timeout=-1, __nfds=1, __fds=0x7fc708000ac8) at /usr/include/bits/poll2.h:46 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fc708000ac8) at kernel/qcore_unix.cpp:83 #3 qt_safe_poll (fds=0x7fc708000ac8, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007fc73623ce3d in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007fc7361f2f1a in QEventLoop::exec (this=this@entry=0x7fc70d3c9d20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007fc73604c394 in QThread::exec (this=this@entry=0x15e1dc0) at thread/qthread.cpp:507 #7 0x00007fc7311f0ea5 in QQmlThreadPrivate::run (this=0x15e1dc0) at qml/ftw/qqmlthread.cpp:147 #8 0x00007fc73605092c in QThreadPrivate::start (arg=0x15e1dc0) at thread/qthread_unix.cpp:368 #9 0x00007fc7385dd454 in start_thread (arg=0x7fc70d3ca700) at pthread_create.c:333 #10 0x00007fc73831ef4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fc705e76700 (LWP 7020)): #0 pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fc7353feb84 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fc7354ece40 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #2 0x00007fc7353febc9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #3 0x00007fc7385dd454 in start_thread (arg=0x7fc705e76700) at pthread_create.c:333 #4 0x00007fc73831ef4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fc7068f7700 (LWP 18870)): #0 0x00007fc738315e6d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc73623b7da in poll (__timeout=-1, __nfds=1, __fds=0x7fc6f8197538) at /usr/include/bits/poll2.h:46 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fc6f8197538) at kernel/qcore_unix.cpp:83 #3 qt_safe_poll (fds=0x7fc6f8197538, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007fc73623ce3d in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007fc7361f2f1a in QEventLoop::exec (this=this@entry=0x7fc7068f6d40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007fc73604c394 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:507 #7 0x00007fc73605092c in QThreadPrivate::start (arg=0x2b312f0) at thread/qthread_unix.cpp:368 #8 0x00007fc7385dd454 in start_thread (arg=0x7fc7068f7700) at pthread_create.c:333 #9 0x00007fc73831ef4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fc6765a0700 (LWP 8376)): #0 0x00007fc73621a336 in QMetaObject::activate (sender=sender@entry=0x7fc6700008c0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3778 #1 0x00007fc73621ae07 in QMetaObject::activate (sender=sender@entry=0x7fc6700008c0, m=m@entry=0x7fc73642da20 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3602 #2 0x00007fc736289670 in QAbstractEventDispatcher::aboutToBlock (this=this@entry=0x7fc6700008c0) at .moc/moc_qabstracteventdispatcher.cpp:137 #3 0x00007fc73623cf40 in QEventDispatcherUNIX::processEvents (this=0x7fc6700008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:477 #4 0x00007fc7361f2f1a in QEventLoop::exec (this=this@entry=0x7fc67659fd20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #5 0x00007fc73604c394 in QThread::exec (this=this@entry=0x294aad0) at thread/qthread.cpp:507 #6 0x00007fc7311f0ea5 in QQmlThreadPrivate::run (this=0x294aad0) at qml/ftw/qqmlthread.cpp:147 #7 0x00007fc73605092c in QThreadPrivate::start (arg=0x294aad0) at thread/qthread_unix.cpp:368 #8 0x00007fc7385dd454 in start_thread (arg=0x7fc6765a0700) at pthread_create.c:333 #9 0x00007fc73831ef4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fc67559f700 (LWP 8377)): #0 0x00007fc738315e6d in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc73623b7da in poll (__timeout=-1, __nfds=1, __fds=0x7fc668000ac8) at /usr/include/bits/poll2.h:46 #2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7fc668000ac8) at kernel/qcore_unix.cpp:83 #3 qt_safe_poll (fds=0x7fc668000ac8, nfds=nfds@entry=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:102 #4 0x00007fc73623ce3d in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500 #5 0x00007fc7361f2f1a in QEventLoop::exec (this=this@entry=0x7fc67559ed20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #6 0x00007fc73604c394 in QThread::exec (this=this@entry=0x23484f0) at thread/qthread.cpp:507 #7 0x00007fc7311f0ea5 in QQmlThreadPrivate::run (this=0x23484f0) at qml/ftw/qqmlthread.cpp:147 #8 0x00007fc73605092c in QThreadPrivate::start (arg=0x23484f0) at thread/qthread_unix.cpp:368 #9 0x00007fc7385dd454 in start_thread (arg=0x7fc67559f700) at pthread_create.c:333 #10 0x00007fc73831ef4d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7fc738a43880 (LWP 6998)): [KCrash Handler] #5 0x00007fc73826a197 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54 #6 0x00007fc73826b5ea in __GI_abort () at abort.c:89 #7 0x00007fc73826321d in __assert_fail_base (fmt=0x7fc73839f510 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7fc7074e42b0 "input->offset < intel_buffer->Base.Size", file=file@entry=0x7fc7074e4228 "/var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_draw_upload.c", line=line@entry=565, function=function@entry=0x7fc7074e43b0 <__PRETTY_FUNCTION__.44595> "brw_prepare_vertices") at assert.c:92 #8 0x00007fc7382632d2 in __GI___assert_fail (assertion=assertion@entry=0x7fc7074e42b0 "input->offset < intel_buffer->Base.Size", file=file@entry=0x7fc7074e4228 "/var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_draw_upload.c", line=line@entry=565, function=function@entry=0x7fc7074e43b0 <__PRETTY_FUNCTION__.44595> "brw_prepare_vertices") at assert.c:101 #9 0x00007fc707302fa0 in brw_prepare_vertices (brw=brw@entry=0x245d5e0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_draw_upload.c:565 #10 0x00007fc7073031a6 in brw_emit_vertices (brw=0x245d5e0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_draw_upload.c:748 #11 0x00007fc70731b1f8 in check_and_emit_atom (atom=0x2483ad8, state=<synthetic pointer>, brw=0x245d5e0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_state_upload.c:761 #12 brw_upload_pipeline_state (pipeline=BRW_RENDER_PIPELINE, brw=0x245d5e0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_state_upload.c:874 #13 brw_upload_render_state (brw=brw@entry=0x245d5e0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_state_upload.c:896 #14 0x00007fc707301244 in brw_try_draw_prims (indirect=0x0, stream=0, xfb_obj=0x0, max_index=<optimized out>, min_index=<optimized out>, index_bounds_valid=<optimized out>, ib=<optimized out>, nr_prims=1, prims=<optimized out>, arrays=0x24414a0, ctx=0x245d5e0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_draw.c:582 #15 brw_draw_prims (ctx=0x245d5e0, prims=<optimized out>, nr_prims=1, ib=<optimized out>, index_bounds_valid=<optimized out>, min_index=4294967295, max_index=4294967295, gl_xfb_obj=0x0, stream=0, indirect=0x0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/drivers/dri/i965/brw_draw.c:673 #16 0x00007fc7070daaa6 in vbo_validated_drawrangeelements (ctx=ctx@entry=0x245d5e0, mode=mode@entry=4, index_bounds_valid=index_bounds_valid@entry=0 '\000', start=start@entry=4294967295, end=end@entry=4294967295, count=count@entry=54, type=5123, indices=0x2d0, basevertex=0, numInstances=1, baseInstance=0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/vbo/vbo_exec_array.c:850 #17 0x00007fc7070db1ff in vbo_exec_DrawElements (mode=4, count=54, type=5123, indices=0x2d0) at /var/tmp/portage/media-libs/mesa-12.0.5/work/mesa-12.0.5/src/mesa/vbo/vbo_exec_array.c:986 #18 0x00007fc73168c35c in QOpenGLFunctions::glDrawElements (indices=<optimized out>, type=5123, count=<optimized out>, mode=<optimized out>, this=0x283ef28) at /usr/include/qt5/QtGui/qopenglfunctions.h:752 #19 QSGBatchRenderer::Renderer::renderMergedBatch (this=0x283ee50, batch=0x23683f0) at scenegraph/coreapi/qsgbatchrenderer.cpp:2338 #20 0x00007fc73168ce45 in QSGBatchRenderer::Renderer::renderBatches (this=this@entry=0x283ee50) at scenegraph/coreapi/qsgbatchrenderer.cpp:2547 #21 0x00007fc731692a39 in QSGBatchRenderer::Renderer::render (this=<optimized out>) at scenegraph/coreapi/qsgbatchrenderer.cpp:2741 #22 0x00007fc73169e0d4 in QSGRenderer::renderScene (this=0x283ee50, bindable=...) at scenegraph/coreapi/qsgrenderer.cpp:223 #23 0x00007fc73169e77b in QSGRenderer::renderScene (this=<optimized out>, fboId=<optimized out>) at scenegraph/coreapi/qsgrenderer.cpp:183 #24 0x00007fc7316ae1ae in QSGRenderContext::renderNextFrame (this=0x2402a50, renderer=0x283ee50, fboId=<optimized out>) at scenegraph/qsgcontext.cpp:557 #25 0x00007fc7316f8b6d in QQuickWindowPrivate::renderSceneGraph (this=this@entry=0x26981a0, size=...) at items/qquickwindow.cpp:464 #26 0x00007fc7316c5027 in QSGGuiThreadRenderLoop::renderWindow (this=0x22d2440, window=0x24aeba0) at scenegraph/qsgrenderloop.cpp:397 #27 0x00007fc7317042a6 in QQuickWindow::event (this=this@entry=0x24aeba0, e=e@entry=0x7fffb0481100) at items/qquickwindow.cpp:1527 #28 0x00007fc6fcb6c78b in PlasmaQuick::Dialog::event (this=0x24aeba0, event=0x7fffb0481100) at /var/tmp/portage/kde-frameworks/plasma-9999/work/plasma-9999/src/plasmaquick/dialog.cpp:1245 #29 0x00007fc736a34dfc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x24aeba0, e=0x7fffb0481100) at kernel/qapplication.cpp:3799 #30 0x00007fc736a3c2e0 in QApplication::notify (this=0x7fffb0481800, receiver=0x24aeba0, e=0x7fffb0481100) at kernel/qapplication.cpp:3556 #31 0x00007fc7361f4240 in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x24aeba0, event=event@entry=0x7fffb0481100) at kernel/qcoreapplication.cpp:988 #32 0x00007fc736534ade in QCoreApplication::sendEvent (event=0x7fffb0481100, receiver=0x24aeba0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #33 QWindowPrivate::deliverUpdateRequest (this=<optimized out>) at kernel/qwindow.cpp:2171 #34 0x00007fc73653502e in QWindow::event (this=this@entry=0x24aeba0, ev=ev@entry=0x7fffb0481560) at kernel/qwindow.cpp:2142 #35 0x00007fc731704245 in QQuickWindow::event (this=this@entry=0x24aeba0, e=e@entry=0x7fffb0481560) at items/qquickwindow.cpp:1546 #36 0x00007fc6fcb6c78b in PlasmaQuick::Dialog::event (this=0x24aeba0, event=0x7fffb0481560) at /var/tmp/portage/kde-frameworks/plasma-9999/work/plasma-9999/src/plasmaquick/dialog.cpp:1245 #37 0x00007fc736a34dfc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x24aeba0, e=0x7fffb0481560) at kernel/qapplication.cpp:3799 #38 0x00007fc736a3c2e0 in QApplication::notify (this=0x7fffb0481800, receiver=0x24aeba0, e=0x7fffb0481560) at kernel/qapplication.cpp:3556 #39 0x00007fc7361f4240 in QCoreApplication::notifyInternal2 (receiver=0x24aeba0, event=event@entry=0x7fffb0481560) at kernel/qcoreapplication.cpp:988 #40 0x00007fc73623ee9e in QCoreApplication::sendEvent (event=0x7fffb0481560, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231 #41 QTimerInfoList::activateTimers (this=this@entry=0x1531c60) at kernel/qtimerinfo_unix.cpp:644 #42 0x00007fc73623bd3c in QEventDispatcherUNIXPrivate::activateTimers (this=this@entry=0x1531bc0) at kernel/qeventdispatcher_unix.cpp:249 #43 0x00007fc73623cf94 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=..., flags@entry=...) at kernel/qeventdispatcher_unix.cpp:514 #44 0x00007fc72105a6fd in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:68 #45 0x00007fc7361f2f1a in QEventLoop::exec (this=this@entry=0x7fffb04816f0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212 #46 0x00007fc7361faa4c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1261 #47 0x00007fc73652111c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1633 #48 0x00007fc736a34d55 in QApplication::exec () at kernel/qapplication.cpp:2975 #49 0x00007fc7387fb1b2 in kdemain (argc=3, argv=0x7fffb0481998) at /var/tmp/portage/kde-plasma/kwin-9999/work/kwin-9999/main_x11.cpp:468 #50 0x00007fc738257840 in __libc_start_main (main=0x4007d0 <main(int, char**)>, argc=3, argv=0x7fffb0481998, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb0481988) at ../csu/libc-start.c:289 #51 0x0000000000400809 in _start () Possible duplicates by query: bug 376115, bug 374265, bug 374147, bug 374038, bug 359869. Reported using DrKonqi
It's an assert in the Intel driver triggered by QtQuick. Not much we can do about it, completely outside of KWin's code.
Having the same issue, whats the best way to recover from this? Thanks.
Try a newer or older Mesa version.