Application: kwin_x11 (5.12.2)

Qt Version: 5.10.0
Frameworks Version: 5.43.0
Operating System: Linux 4.13.0-36-generic x86_64
Distribution: KDE neon User Edition 5.12

-- Information about the crash:
- What I was doing when the application crashed:  when the window is in shade mode 
when i move it with wobbly windows enabled it will crash kwin
  
- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9313257940 (LWP 2929))]

Thread 4 (Thread 0x7f92e1f38700 (LWP 2940)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f930efcfdb4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f930efcfdf9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f930bd456ba in start_thread (arg=0x7f92e1f38700) at pthread_create.c:333
#4  0x00007f9312c6f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f92eedee700 (LWP 2937)):
#0  0x00007f9312c63811 in __GI_ppoll (fds=fds@entry=0x7f92dc000ac8, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:50
#1  0x00007f93100b4001 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f92dc000ac8) at kernel/qcore_unix.cpp:112
#3  qt_safe_poll (fds=0x7f92dc000ac8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133
#4  0x00007f93100b5692 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f931005f64a in QEventLoop::exec (this=this@entry=0x7f92eededc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f930fe7f554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#7  0x00007f930aa1ba35 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f930fe846eb in QThreadPrivate::start (arg=0x24f36b0) at thread/qthread_unix.cpp:376
#9  0x00007f930bd456ba in start_thread (arg=0x7f92eedee700) at pthread_create.c:333
#10 0x00007f9312c6f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f92f582a700 (LWP 2933)):
#0  0x00007f9312c63811 in __GI_ppoll (fds=fds@entry=0x7f92e800ef08, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:50
#1  0x00007f93100b4001 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f92e800ef08) at kernel/qcore_unix.cpp:112
#3  qt_safe_poll (fds=0x7f92e800ef08, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133
#4  0x00007f93100b5692 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f931005f64a in QEventLoop::exec (this=this@entry=0x7f92f5829c50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f930fe7f554 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:522
#7  0x00007f93098d62c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f930fe846eb in QThreadPrivate::start (arg=0x7f9309b4ad60) at thread/qthread_unix.cpp:376
#9  0x00007f930bd456ba in start_thread (arg=0x7f92f582a700) at pthread_create.c:333
#10 0x00007f9312c6f41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f9313257940 (LWP 2929)):
[KCrash Handler]
#6  0x00007f9312b9d428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f9312b9f02a in __GI_abort () at abort.c:89
#8  0x00007f9312b95bd7 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0x7f930f847ce8 "x1 < x2 && y1 < y2 && x1 >= left() && x2 <= right() && y1 >= top() && y2 <= bottom()", file=file@entry=0x7f930f847c90 "/workspace/build/libkwineffects/kwineffects.cpp", line=line@entry=980, function=function@entry=0x7f930f8481e0 <KWin::WindowQuad::makeSubQuad(double, double, double, double) const::__PRETTY_FUNCTION__> "KWin::WindowQuad KWin::WindowQuad::makeSubQuad(double, double, double, double) const") at assert.c:92
#9  0x00007f9312b95c82 in __GI___assert_fail (assertion=assertion@entry=0x7f930f847ce8 "x1 < x2 && y1 < y2 && x1 >= left() && x2 <= right() && y1 >= top() && y2 <= bottom()", file=file@entry=0x7f930f847c90 "/workspace/build/libkwineffects/kwineffects.cpp", line=line@entry=980, function=function@entry=0x7f930f8481e0 <KWin::WindowQuad::makeSubQuad(double, double, double, double) const::__PRETTY_FUNCTION__> "KWin::WindowQuad KWin::WindowQuad::makeSubQuad(double, double, double, double) const") at assert.c:101
#10 0x00007f930f8362ec in KWin::WindowQuad::makeSubQuad (this=this@entry=0x3408e80, x1=<optimized out>, y1=y1@entry=27, x2=<optimized out>, y2=y2@entry=27) at /workspace/build/libkwineffects/kwineffects.cpp:980
#11 0x00007f930f8391ef in KWin::WindowQuadList::makeRegularGrid (this=this@entry=0x7ffd5f1c2378, xSubdivisions=<optimized out>, ySubdivisions=<optimized out>) at /workspace/build/libkwineffects/kwineffects.cpp:1225
#12 0x00007f930f5a1483 in KWin::WobblyWindowsEffect::prePaintWindow (this=0x2f9fa30, w=0x2e2d0b0, data=..., time=1) at /workspace/build/effects/wobblywindows/wobblywindows.cpp:288
#13 0x00007f93127f19d1 in KWin::EffectsHandlerImpl::prePaintWindow (this=0x29d8df0, w=<optimized out>, data=..., time=<optimized out>) at /workspace/build/effects.cpp:410
#14 0x00007f93127f19d1 in KWin::EffectsHandlerImpl::prePaintWindow (this=0x29d8df0, w=<optimized out>, data=..., time=time@entry=1) at /workspace/build/effects.cpp:410
#15 0x00007f93127e3e0a in KWin::Scene::paintSimpleScreen (this=this@entry=0x2861250, orig_mask=orig_mask@entry=8, region=...) at /workspace/build/scene.cpp:302
#16 0x00007f92e1f48393 in KWin::SceneOpenGL2::paintSimpleScreen (this=this@entry=0x2861250, mask=mask@entry=8, region=...) at /workspace/build/plugins/scenes/opengl/scene_opengl.cpp:1053
#17 0x00007f93127e4da4 in KWin::Scene::finalPaintScreen (this=0x2861250, mask=mask@entry=8, region=..., data=...) at /workspace/build/scene.cpp:201
#18 0x00007f93127f183f in KWin::EffectsHandlerImpl::paintScreen (this=0x29d8df0, mask=mask@entry=8, region=..., data=...) at /workspace/build/effects.cpp:379
#19 0x00007f930f83267f in KWin::Effect::paintScreen (this=this@entry=0x2e4a300, mask=mask@entry=8, region=..., data=...) at /workspace/build/libkwineffects/kwineffects.cpp:583
#20 0x00007f93127f17ea in KWin::EffectsHandlerImpl::paintScreen (this=0x29d8df0, mask=mask@entry=8, region=..., data=...) at /workspace/build/effects.cpp:376
#21 0x00007f930f83267f in KWin::Effect::paintScreen (this=this@entry=0x2438840, mask=mask@entry=8, region=..., data=...) at /workspace/build/libkwineffects/kwineffects.cpp:583
#22 0x00007f93127f17ea in KWin::EffectsHandlerImpl::paintScreen (this=0x29d8df0, mask=mask@entry=8, region=..., data=...) at /workspace/build/effects.cpp:376
#23 0x00007f930f83267f in KWin::Effect::paintScreen (this=this@entry=0x2f9fa30, mask=mask@entry=8, region=..., data=...) at /workspace/build/libkwineffects/kwineffects.cpp:583
#24 0x00007f93127f17ea in KWin::EffectsHandlerImpl::paintScreen (this=0x29d8df0, mask=mask@entry=8, region=..., data=...) at /workspace/build/effects.cpp:376
#25 0x00007f930f83267f in KWin::Effect::paintScreen (this=this@entry=0x2f92a40, mask=mask@entry=8, region=..., data=...) at /workspace/build/libkwineffects/kwineffects.cpp:583
#26 0x00007f93127f17ea in KWin::EffectsHandlerImpl::paintScreen (this=0x29d8df0, mask=8, region=..., data=...) at /workspace/build/effects.cpp:376
#27 0x00007f93127e4a2e in KWin::Scene::paintScreen (this=this@entry=0x2861250, mask=mask@entry=0x7ffd5f1c28d0, damage=..., repaint=..., updateRegion=updateRegion@entry=0x7ffd5f1c28a0, validRegion=validRegion@entry=0x7ffd5f1c28b0, projection=..., outputGeometry=...) at /workspace/build/scene.cpp:151
#28 0x00007f92e1f4e49f in KWin::SceneOpenGL::paint (this=0x2861250, damage=..., toplevels=...) at /workspace/build/plugins/scenes/opengl/scene_opengl.cpp:702
#29 0x00007f93127d628e in KWin::Compositor::performCompositing (this=0x2461ef0) at /workspace/build/composite.cpp:747
#30 0x00007f931008f483 in QObject::event (this=0x2461ef0, e=<optimized out>) at kernel/qobject.cpp:1268
#31 0x00007f9310da1acc in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2461ef0, e=0x7ffd5f1c2d10) at kernel/qapplication.cpp:3732
#32 0x00007f9310da9417 in QApplication::notify (this=0x7ffd5f1c3000, receiver=0x2461ef0, e=0x7ffd5f1c2d10) at kernel/qapplication.cpp:3491
#33 0x00007f93100613c8 in QCoreApplication::notifyInternal2 (receiver=0x2461ef0, event=event@entry=0x7ffd5f1c2d10) at kernel/qcoreapplication.cpp:1044
#34 0x00007f93100b797e in QCoreApplication::sendEvent (event=0x7ffd5f1c2d10, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#35 QTimerInfoList::activateTimers (this=this@entry=0x241a990) at kernel/qtimerinfo_unix.cpp:643
#36 0x00007f93100b4b9c in QEventDispatcherUNIXPrivate::activateTimers (this=this@entry=0x241a8f0) at kernel/qeventdispatcher_unix.cpp:249
#37 0x00007f93100b5902 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=..., flags@entry=...) at kernel/qeventdispatcher_unix.cpp:514
#38 0x00007f92f87d34ad in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:68
#39 0x00007f931005f64a in QEventLoop::exec (this=this@entry=0x7ffd5f1c2ee0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#40 0x00007f9310068854 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1332
#41 0x00007f93105f183c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1687
#42 0x00007f9310da1a25 in QApplication::exec () at kernel/qapplication.cpp:2917
#43 0x00007f9312f3b1f9 in kdemain (argc=3, argv=0x7ffd5f1c3198) at /workspace/build/main_x11.cpp:468
#44 0x00007f9312b88830 in __libc_start_main (main=0x4006b0 <main(int, char**)>, argc=3, argv=0x7ffd5f1c3198, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd5f1c3188) at ../csu/libc-start.c:291
#45 0x00000000004006e9 in _start ()

Possible duplicates by query: bug 386263, bug 385142, bug 382799.

Reported using DrKonqi