https://bugs.kde.org/show_bug.cgi?id=452482
Bug ID: 452482
Summary: Crash when moving windows across screens
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: core
Assignee: kwin-bugs-n...@kde.org
Reporter: aleix...@kde.org
Target Milestone: ---
I have started getting it today after rebuilding.
#0 QVector<QOpenGLFramebufferObjectPrivate::ColorAttachment>::operator[](int)
const (i=0, this=<error reading variable: Cannot access memory at address
0x114060009>) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/tools/qvector.h:452
#1 QOpenGLFramebufferObject::texture() const (this=0x114060001) at
/home/apol/devel/frameworks/qt5/qtbase/src/gui/opengl/qopenglframebufferobject.cpp:1214
#2 0x00007fb648e76665 in
KWin::BasicEGLSurfaceTextureInternal::updateFromFramebuffer()
(this=0x563fd28e8020) at
/home/apol/devel/frameworks/kwin/src/platformsupport/scenes/opengl/basiceglsurfacetexture_internal.cpp:52
#3 0x00007fb648e764bc in KWin::BasicEGLSurfaceTextureInternal::create()
(this=0x563fd28e8020) at
/home/apol/devel/frameworks/kwin/src/platformsupport/scenes/opengl/basiceglsurfacetexture_internal.cpp:25
#4 0x00007fb648e2d46a in KWin::bindSurfaceTexture(KWin::SurfaceItem*)
(surfaceItem=0x563fd27a5500) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:385
#5 0x00007fb648e2ccb7 in KWin::OpenGLWindow::createRenderNode(KWin::Item*,
KWin::OpenGLWindow::RenderContext*) (this=0x563fd27ae670, item=0x563fd27a5500,
context=0x7ffd5396f9c0) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:479
#6 0x00007fb648e2ce40 in KWin::OpenGLWindow::createRenderNode(KWin::Item*,
KWin::OpenGLWindow::RenderContext*) (this=0x563fd27ae670, item=0x563fd26f0ac0,
context=0x7ffd5396f9c0) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:495
#7 0x00007fb648e2d878 in KWin::OpenGLWindow::performPaint(int, QRegion const&,
KWin::WindowPaintData const&) (this=0x563fd27ae670, mask=6, region=...,
data=...) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:569
#8 0x00007fb648e2c4a9 in
KWin::SceneOpenGL::performPaintWindow(KWin::EffectWindowImpl*, int, QRegion
const&, KWin::WindowPaintData&) (this=0x563fd10fa6c0, w=0x563fd2766660, mask=6,
region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:329
#9 0x00007fb648e2c3b5 in
KWin::SceneOpenGL::finalDrawWindow(KWin::EffectWindowImpl*, int, QRegion
const&, KWin::WindowPaintData&) (this=0x563fd10fa6c0, w=0x563fd2766660, mask=6,
region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:318
#10 0x00007fb648b9e58a in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:454
#11 0x0000563fd003a6a9 in KWin::BlurEffect::drawWindow(KWin::EffectWindow*,
int, QRegion const&, KWin::WindowPaintData&) (this=0x563fd14c9920,
w=0x563fd2766660, mask=6, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/effects/blur/blur.cpp:651
#12 0x00007fb648b9e552 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:451
#13 0x00007fb64892d2dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int,
QRegion const&, KWin::WindowPaintData&) (this=0x563fd1f1d800, w=0x563fd2766660,
mask=6, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/libkwineffects/kwineffects.cpp:609
#14 0x00007fb648b9e552 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:451
#15 0x00007fb64892d2dd in KWin::Effect::drawWindow(KWin::EffectWindow*, int,
QRegion const&, KWin::WindowPaintData&) (this=0x563fd1f07380, w=0x563fd2766660,
mask=6, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/libkwineffects/kwineffects.cpp:609
#16 0x00007fb648b9e552 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:451
#17 0x00007fb648ca69fd in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd10fa6c0, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/scene.cpp:649
#18 0x00007fb648b9e1af in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:414
#19 0x00007fb64892d1a5 in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&)Python Exception <class 'gdb.MemoryError'>:
Cannot access memory at address 0x4
(this=0x563fd14c9920, w=0x563fd2766660, mask=6, region=#20 0x00007fb648b9e172
in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion
const&, KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:411
#21 0x00007fb64891e353 in
KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) (this=0x563fd1f1d800, w=0x563fd2766660, mask=6,
region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/libkwineffects/kwinanimationeffect.cpp:624
#22 0x00007fb648b9e172 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:411
#23 0x0000563fd001ed02 in
KWin::SlidingPopupsEffect::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) (this=0x563fd1f07380, w=0x563fd2766660, mask=6,
region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/effects/slidingpopups/slidingpopups.cpp:189
#24 0x00007fb648b9e172 in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion const&,
KWin::WindowPaintData&) (this=0x563fd1841330, w=0x563fd2766660, mask=6,
region=..., data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:411
#25 0x00007fb648ca68e4 in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion const&) (this=0x563fd10fa6c0, w=0x563fd27ae670, mask=6, region=...) at
/home/apol/devel/frameworks/kwin/src/scene.cpp:638
#26 0x00007fb648ca651a in KWin::Scene::paintSimpleScreen(int, QRegion const&)
(this=0x563fd10fa6c0, region=...) at
/home/apol/devel/frameworks/kwin/src/scene.cpp:556
#27 0x00007fb648e2c1d6 in KWin::SceneOpenGL::paintSimpleScreen(int, QRegion
const&) (this=0x563fd10fa6c0, mask=0, region=...) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:283
#28 0x00007fb648ca61fa in KWin::Scene::finalPaintScreen(int, QRegion const&,
KWin::ScreenPaintData&) (this=0x563fd10fa6c0, mask=0, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/scene.cpp:511
#29 0x00007fb648b9ded7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion
const&, KWin::ScreenPaintData&) (this=0x563fd1841330, mask=0, region=...,
data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:370
#30 0x00007fb64892d0c2 in KWin::Effect::paintScreen(int, QRegion const&,
KWin::ScreenPaintData&) (this=0x563fd14c9920, mask=0, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/libkwineffects/kwineffects.cpp:564
#31 0x00007fb648b9dea7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion
const&, KWin::ScreenPaintData&) (this=0x563fd1841330, mask=0, region=...,
data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:367
#32 0x00007fb64892d0c2 in KWin::Effect::paintScreen(int, QRegion const&,
KWin::ScreenPaintData&) (this=0x563fd1f1d800, mask=0, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/libkwineffects/kwineffects.cpp:564
#33 0x00007fb648b9dea7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion
const&, KWin::ScreenPaintData&) (this=0x563fd1841330, mask=0, region=...,
data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:367
#34 0x00007fb64892d0c2 in KWin::Effect::paintScreen(int, QRegion const&,
KWin::ScreenPaintData&) (this=0x563fd1f07380, mask=0, region=..., data=...) at
/home/apol/devel/frameworks/kwin/src/libkwineffects/kwineffects.cpp:564
#35 0x00007fb648b9dea7 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion
const&, KWin::ScreenPaintData&) (this=0x563fd1841330, mask=0, region=...,
data=...) at /home/apol/devel/frameworks/kwin/src/effects.cpp:367
#36 0x00007fb648ca6152 in KWin::Scene::paintScreen(QRegion const&)
(this=0x563fd10fa6c0, region=...) at
/home/apol/devel/frameworks/kwin/src/scene.cpp:498
#37 0x00007fb648e2b2d2 in KWin::SceneOpenGL::paint(QRegion const&)
(this=0x563fd10fa6c0, region=...) at
/home/apol/devel/frameworks/kwin/src/scenes/opengl/scene_opengl.cpp:103
#38 0x00007fb648ca41c1 in KWin::SceneDelegate::paint(QRegion const&)
(this=0x563fd11bfbf0, region=...) at
/home/apol/devel/frameworks/kwin/src/scene.cpp:127
#39 0x00007fb648b2e432 in KWin::Compositor::paintPass(KWin::RenderLayer*,
QRegion const&) (this=0x563fd1080c80, layer=0x563fd1502ac0, region=...) at
/home/apol/devel/frameworks/kwin/src/composite.cpp:742
#40 0x00007fb648b2def4 in KWin::Compositor::composite(KWin::RenderLoop*)
(this=0x563fd1080c80, renderLoop=0x563fd12dddc0) at
/home/apol/devel/frameworks/kwin/src/composite.cpp:688
#41 0x00007fb648b2d021 in
KWin::Compositor::handleFrameRequested(KWin::RenderLoop*) (this=0x563fd1080c80,
renderLoop=0x563fd12dddc0) at
/home/apol/devel/frameworks/kwin/src/composite.cpp:640
#42 0x00007fb648b367a3 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<KWin::RenderLoop*>, void, void
(KWin::Compositor::*)(KWin::RenderLoop*)>::call(void
(KWin::Compositor::*)(KWin::RenderLoop*), KWin::Compositor*, void**) (f=
(void (KWin::Compositor::*)(KWin::Compositor * const, KWin::RenderLoop *))
0x7fb648b2d000 <KWin::Compositor::handleFrameRequested(KWin::RenderLoop*)>,
o=0x563fd1080c80, arg=0x7ffd53970f40) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:152
#43 0x00007fb648b366fd in QtPrivate::FunctionPointer<void
(KWin::Compositor::*)(KWin::RenderLoop*)>::call<QtPrivate::List<KWin::RenderLoop*>,
void>(void (KWin::Compositor::*)(KWin::RenderLoop*), KWin::Compositor*, void**)
(f=(void (KWin::Compositor::*)(KWin::Compositor * const, KWin::RenderLoop *))
0x7fb648b2d000 <KWin::Compositor::handleFrameRequested(KWin::RenderLoop*)>,
o=0x563fd1080c80, arg=0x7ffd53970f40)
at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:185
#44 0x00007fb648b36642 in QtPrivate::QSlotObject<void
(KWin::Compositor::*)(KWin::RenderLoop*), QtPrivate::List<KWin::RenderLoop*>,
void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
(which=1, this_=0x563fd184a4b0, r=0x563fd1080c80, a=0x7ffd53970f40, ret=0x0) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:418
#45 0x00007fb646dd9ec3 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffd53970f40, r=0x563fd1080c80, this=0x563fd184a4b0) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:398
#46 doActivate<false>(QObject*, int, void**) (sender=0x563fd12dddc0,
signal_index=5, argv=0x7ffd53970f40) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3886
#47 0x00007fb648ab6243 in KWin::RenderLoop::frameRequested(KWin::RenderLoop*)
(this=0x563fd12dddc0, _t1=0x563fd12dddc0) at
src/kwin_autogen/EWIEGA46WW/moc_renderloop.cpp:206
#48 0x00007fb648c883d3 in KWin::RenderLoopPrivate::dispatch()
(this=0x563fd12e17c0) at
/home/apol/devel/frameworks/kwin/src/renderloop.cpp:152
#49 0x00007fb648c88b48 in
KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0::operator()()
const (this=0x563fd12de1e0) at
/home/apol/devel/frameworks/kwin/src/renderloop.cpp:32
#50 0x00007fb648c88af6 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void,
KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0>::call(KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0&,
void**) (f=..., arg=0x7ffd53971140) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:146
#51 0x00007fb648c88ac1 in
QtPrivate::Functor<KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0,
0>::call<QtPrivate::List<>,
void>(KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0&,
void*, void**) (f=..., arg=0x7ffd53971140) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:256
#52 0x00007fb648c88a61 in
QtPrivate::QFunctorSlotObject<KWin::RenderLoopPrivate::RenderLoopPrivate(KWin::RenderLoop*)::$_0,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*) (which=1, this_=0x563fd12de1d0, r=0x563fd12dddc0,
a=0x7ffd53971140, ret=0x0) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:443
#53 0x00007fb646dd9ec3 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffd53971140, r=0x563fd12dddc0, this=0x563fd12de1d0) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:398
#54 doActivate<false>(QObject*, int, void**) (sender=0x563fd12e17d8,
signal_index=3, argv=0x7ffd53971140) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3886
#55 0x00007fb646dd338f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=<optimized out>, m=m@entry=0x7fb64707b280
<QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x7ffd53971140) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3946
#56 0x00007fb646ddde8a in QTimer::timeout(QTimer::QPrivateSignal)
(this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#57 0x00007fb646dcfd2f in QObject::event(QEvent*) (this=0x563fd12e17d8,
e=0x7ffd539712c0) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:1336
#58 0x00007fb645a556cf in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x563fd12e17d8, e=0x7ffd539712c0) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3637
#59 0x00007fb646da369a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x563fd12e17d8, event=0x7ffd539712c0) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1064
#60 0x00007fb646dfa11b in QTimerInfoList::activateTimers()
(this=this@entry=0x563fd0e9e3b8) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qtimerinfo_unix.cpp:643
#61 0x00007fb646df78dc in QEventDispatcherUNIXPrivate::activateTimers()
(this=this@entry=0x563fd0e9e330) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:249
#62 0x00007fb646df8627 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:516
#63 0x0000563fd00d346d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/platformsupport/eventdispatchers/qunixeventdispatcher.cpp:63
#64 0x00007fb646da209b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffd53971460, flags=..., flags@entry=...) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qflags.h:69
#65 0x00007fb646daa370 in QCoreApplication::exec() () at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qflags.h:121
#66 0x0000563fcff8ff9d in main(int, char**) (argc=14, argv=0x7ffd53971ef8) at
/home/apol/devel/frameworks/kwin/src/main_wayland.cpp:659
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