https://bugs.kde.org/show_bug.cgi?id=394526

            Bug ID: 394526
           Summary: Crash on screen flip
           Product: kwin
           Version: 5.12.5
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: s_aldin...@hotmail.com
  Target Milestone: ---

Application: kwin_x11 (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.46.0
Operating System: Linux 4.16.9-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed: screen flipping while closing
a window with the "fall apart" effect turned on. Also tends to happen when
manually moving a window to another screen

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2e71095840 (LWP 778))]

Thread 12 (Thread 0x7f2db0ff9700 (LWP 7047)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f2db17fa700 (LWP 7046)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f2db1ffb700 (LWP 7045)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f2db27fc700 (LWP 7044)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f2db2ffd700 (LWP 7043)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f2db37fe700 (LWP 7042)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f2db3fff700 (LWP 7041)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f2e40956700 (LWP 7040)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e42307964 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f2e42307658 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f2e4d96b700 (LWP 860)):
#0  0x00007f2e69a5dffc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f2e6cd1af77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f2e6cd1afb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f2e4ebac700 (LWP 832)):
#0  0x00007f2e70a28fa6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f2e6de27db3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f2e6de2954f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007f2e6ddce31b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4  0x00007f2e6dbdd71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f2e6851e319 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f2e6dbe2abd in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f2e54ed3700 (LWP 799)):
#0  0x00007f2e70a28fa6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f2e6de27db3 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f2e6de2954f in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007f2e6ddce31b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4  0x00007f2e6dbdd71e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f2e673bd416 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007f2e6dbe2abd in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f2e69a58075 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f2e70a3353f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f2e71095840 (LWP 778)):
[KCrash Handler]
#6  0x00007f2e7097186b in raise () at /usr/lib/libc.so.6
#7  0x00007f2e7095c40e in abort () at /usr/lib/libc.so.6
#8  0x00007f2e6dbcc868 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f2e6d589d3d in KWin::WindowQuad::makeSubQuad(double, double, double,
double) const () at /usr/lib/libkwineffects.so.11
#10 0x00007f2e43b8d6a6 in  () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#11 0x00007f2e43b8d947 in  () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#12 0x00007f2e43b96ae5 in  () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#13 0x00007f2e43b96c19 in  () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#14 0x00007f2e705b8be7 in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#15 0x00007f2e6d3257e7 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#16 0x00007f2e705b8b7f in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#17 0x00007f2e6d292e3e in  () at /usr/lib/libkwin4_effect_builtins.so.1
#18 0x00007f2e705b8b7f in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#19 0x00007f2e6d5863f1 in KWin::Effect::drawWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#20 0x00007f2e705b8b7f in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#21 0x00007f2e6d5863f1 in KWin::Effect::drawWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#22 0x00007f2e705b8b7f in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#23 0x00007f2e6d5863f1 in KWin::Effect::drawWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#24 0x00007f2e705b8b7f in
KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#25 0x00007f2e705a53b1 in
KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#26 0x00007f2e705b8a0f in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#27 0x00007f2e6d586281 in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#28 0x00007f2e705b89af in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#29 0x00007f2e6d586281 in KWin::Effect::paintWindow(KWin::EffectWindow*, int,
QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#30 0x00007f2e705b89af in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#31 0x00007f2e6d310b0c in  () at /usr/lib/libkwin4_effect_builtins.so.1
#32 0x00007f2e705b89af in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#33 0x00007f2e6d2e5195 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#34 0x00007f2e705b89af in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#35 0x00007f2e6d592cd8 in
KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.11
#36 0x00007f2e705b89af in
KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion,
KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#37 0x00007f2e705ab9ed in KWin::Scene::paintWindow(KWin::Scene::Window*, int,
QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5
#38 0x00007f2e705a8288 in KWin::Scene::paintGenericScreen(int,
KWin::ScreenPaintData) () at /usr/lib/libkwin.so.5
#39 0x00007f2e43b968e5 in  () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#40 0x00007f2e705aaf71 in KWin::Scene::finalPaintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#41 0x00007f2e705b8757 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#42 0x00007f2e6d5861d2 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.11
#43 0x00007f2e705b86fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#44 0x00007f2e6d5861d2 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.11
#45 0x00007f2e705b86fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#46 0x00007f2e6d5861d2 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.11
#47 0x00007f2e705b86fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#48 0x00007f2e6d2e5ee8 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#49 0x00007f2e705b86fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#50 0x00007f2e6d5861d2 in KWin::Effect::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.11
#51 0x00007f2e705b86fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion,
KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#52 0x00007f2e705aabfb in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at
/usr/lib/libkwin.so.5
#53 0x00007f2e43b907ea in KWin::SceneOpenGL::paint(QRegion,
QList<KWin::Toplevel*>) () at
/usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#54 0x00007f2e7059cba6 in KWin::Compositor::performCompositing() () at
/usr/lib/libkwin.so.5
#55 0x00007f2e6de0100b in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#56 0x00007f2e6eb4dfec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#57 0x00007f2e6eb559c6 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#58 0x00007f2e6ddcfce0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#59 0x00007f2e6de2b678 in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#60 0x00007f2e6de297b4 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#61 0x00007f2e584c771e in  () at /usr/lib/libQt5XcbQpa.so.5
#62 0x00007f2e6ddce31b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#63 0x00007f2e6ddd7718 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#64 0x00007f2e70cff416 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#65 0x00007f2e7095e06b in __libc_start_main () at /usr/lib/libc.so.6
#66 0x000055b10821475a in _start ()

Reported using DrKonqi

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