Bug 347440

Application: kwin_x11 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
Kwin crashes every time I move window to right/left screen edge with option Settings->Desktop Behavior->Screen Edges->Switch Desktop on Edge set to "Only When Moving Windows"

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 0x7f8c12daa800 (LWP 1223))]

Thread 3 (Thread 0x7f8bf8a7b700 (LWP 1256)):
#0  0x00007f8c12873743 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8c10e65101 in qt_safe_select (nfds=15, fdread=fdread@entry=0x7f8bf0000a78, fdwrite=fdwrite@entry=0x7f8bf0000d08, fdexcept=fdexcept@entry=0x7f8bf0000f98, orig_timeout=orig_timeout@entry=0x0) at kernel/qcore_unix.cpp:75
#2  0x00007f8c10e66cd2 in select (timeout=0x0, exceptfds=0x7f8bf0000f98, writefds=0x7f8bf0000d08, readfds=0x7f8bf0000a78, nfds=<optimized out>, this=0x7f8bf00008c0) at kernel/qeventdispatcher_unix.cpp:320
#3  QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7f8bf00008e0, flags=..., flags@entry=..., timeout=timeout@entry=0x0) at kernel/qeventdispatcher_unix.cpp:196
#4  0x00007f8c10e67275 in QEventDispatcherUNIX::processEvents (this=0x7f8bf00008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5  0x00007f8c10e0e3e2 in QEventLoop::exec (this=this@entry=0x7f8bf8a7ada0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8c10bcdb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f8c0aa30f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8c10bd2b0e in QThreadPrivate::start (arg=0x1258e20) at thread/qthread_unix.cpp:337
#9  0x00007f8c120f26aa in start_thread (arg=0x7f8bf8a7b700) at pthread_create.c:333
#10 0x00007f8c1287ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f8be933a700 (LWP 1271)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8c0f9d6644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f8c0f9d6689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f8c120f26aa in start_thread (arg=0x7f8be933a700) at pthread_create.c:333
#4  0x00007f8c1287ceed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8c12daa800 (LWP 1223)):
[KCrash Handler]
#6  0x00007f8c127ab267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f8c127aceca in __GI_abort () at abort.c:89
#8  0x00007f8c10bbfedf in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=this@entry=0x7ffd1d5725f0, msg=msg@entry=0x7f8c103f4c28 "Splitting quads is allowed only in pre-paint calls!") at global/qlogging.cpp:636
#10 0x00007f8c103e2031 in KWin::WindowQuad::makeSubQuad (this=this@entry=0x24cdf60, x1=x1@entry=625, y1=y1@entry=36.146259848520913, x2=x2@entry=653.91640784118022, y2=y2@entry=79.355312966893052) at ../../libkwineffects/kwineffects.cpp:908
#11 0x00007f8c12425519 in KWin::SceneOpenGL::Window::beginRenderWindow (this=<optimized out>, mask=<optimized out>, region=..., data=...) at ../scene_opengl.cpp:1270
#12 0x00007f8c12425b97 in KWin::SceneOpenGL2Window::performPaint (this=this@entry=0x211e6c0, mask=mask@entry=86, region=..., data=...) at ../scene_opengl.cpp:1442
#13 0x00007f8c1242b7a2 in KWin::SceneOpenGL2::performPaintWindow (this=this@entry=0x1798a30, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../scene_opengl.cpp:1092
#14 0x00007f8c1242b978 in KWin::SceneOpenGL2::finalDrawWindow (this=0x1798a30, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../scene_opengl.cpp:1078
#15 0x00007f8c12445359 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:477
#16 0x00007f8c103de8b1 in KWin::Effect::drawWindow (this=this@entry=0x2024080, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#17 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#18 0x00007f8c0ff8b0b5 in KWin::ContrastEffect::drawWindow (this=this@entry=0x1f392e0, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../effects/backgroundcontrast/contrast.cpp:345
#19 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#20 0x00007f8c0ff012fb in KWin::BlurEffect::drawWindow (this=this@entry=0x12292d0, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../effects/blur/blur.cpp:415
#21 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#22 0x00007f8c103de8b1 in KWin::Effect::drawWindow (this=this@entry=0x114aa30, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#23 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#24 0x00007f8c103de8b1 in KWin::Effect::drawWindow (this=this@entry=0x1175330, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#25 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#26 0x00007f8c103de8b1 in KWin::Effect::drawWindow (this=this@entry=0x2047720, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#27 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#28 0x00007f8c103de8b1 in KWin::Effect::drawWindow (this=this@entry=0x2048e10, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#29 0x00007f8c124452f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:474
#30 0x00007f8c1240a451 in KWin::Scene::finalPaintWindow (this=<optimized out>, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../scene.cpp:607
#31 0x00007f8c1244519a in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:440
#32 0x00007f8c103de741 in KWin::Effect::paintWindow (this=this@entry=0x2024080, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:550
#33 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#34 0x00007f8c103de741 in KWin::Effect::paintWindow (this=this@entry=0x1f392e0, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:550
#35 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#36 0x00007f8c103de741 in KWin::Effect::paintWindow (this=this@entry=0x12292d0, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:550
#37 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#38 0x00007f8c103ecb67 in KWin::AnimationEffect::paintWindow (this=this@entry=0x114aa30, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwinanimationeffect.cpp:585
#39 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#40 0x00007f8c103ecb67 in KWin::AnimationEffect::paintWindow (this=this@entry=0x1175330, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../libkwineffects/kwinanimationeffect.cpp:585
#41 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#42 0x00007f8c0ff7ed08 in KWin::SlideEffect::paintWindow (this=this@entry=0x2047720, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../effects/slide/slide.cpp:178
#43 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#44 0x00007f8c0ff60aad in KWin::WobblyWindowsEffect::paintWindow (this=this@entry=0x2048e10, w=w@entry=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../../effects/wobblywindows/wobblywindows.cpp:331
#45 0x00007f8c12445141 in KWin::EffectsHandlerImpl::paintWindow (this=0x1f4e090, w=0x2132c20, mask=mask@entry=86, region=..., data=...) at ../effects.cpp:437
#46 0x00007f8c1240f328 in KWin::Scene::paintWindow (this=this@entry=0x1798a30, w=0x211e6c0, mask=86, region=..., quads=...) at ../scene.cpp:479
#47 0x00007f8c1240c316 in KWin::Scene::paintGenericScreen (this=this@entry=0x1798a30, orig_mask=orig_mask@entry=80) at ../scene.cpp:243
#48 0x00007f8c12420e04 in KWin::SceneOpenGL2::paintGenericScreen (this=this@entry=0x1798a30, mask=mask@entry=80, data=...) at ../scene_opengl.cpp:1030
#49 0x00007f8c12409e5d in KWin::Scene::finalPaintScreen (this=0x1798a30, mask=mask@entry=80, region=..., data=...) at ../scene.cpp:199
#50 0x00007f8c12444f1f in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:397
#51 0x00007f8c0ff7ab57 in KWin::ScreenEdgeEffect::paintScreen (this=this@entry=0x2024080, mask=mask@entry=80, region=..., data=...) at ../../effects/screenedge/screenedgeeffect.cpp:81
#52 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:394
#53 0x00007f8c103de66f in KWin::Effect::paintScreen (this=this@entry=0x1f392e0, mask=mask@entry=80, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#54 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:394
#55 0x00007f8c103de66f in KWin::Effect::paintScreen (this=this@entry=0x12292d0, mask=mask@entry=80, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#56 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:394
#57 0x00007f8c103de66f in KWin::Effect::paintScreen (this=this@entry=0x114aa30, mask=mask@entry=80, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#58 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:394
#59 0x00007f8c103de66f in KWin::Effect::paintScreen (this=this@entry=0x1175330, mask=mask@entry=80, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#60 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:394
#61 0x00007f8c0ff802b7 in KWin::SlideEffect::paintScreen (this=this@entry=0x2047720, mask=mask@entry=80, region=..., data=...) at ../../effects/slide/slide.cpp:165
#62 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=mask@entry=80, region=..., data=...) at ../effects.cpp:394
#63 0x00007f8c103de66f in KWin::Effect::paintScreen (this=this@entry=0x2048e10, mask=mask@entry=80, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#64 0x00007f8c12444ecd in KWin::EffectsHandlerImpl::paintScreen (this=0x1f4e090, mask=80, region=..., data=...) at ../effects.cpp:394
#65 0x00007f8c12409a7a in KWin::Scene::paintScreen (this=this@entry=0x1798a30, mask=mask@entry=0x7ffd1d5743cc, damage=..., repaint=..., updateRegion=updateRegion@entry=0x7ffd1d5743e0, validRegion=validRegion@entry=0x7ffd1d5743f0) at ../scene.cpp:151
#66 0x00007f8c12427037 in KWin::SceneOpenGL::paint (this=0x1798a30, damage=..., toplevels=...) at ../scene_opengl.cpp:661
#67 0x00007f8c12401f33 in KWin::Compositor::performCompositing (this=0x10b33b0) at ../composite.cpp:700
#68 0x00007f8c10e426f3 in QObject::event (this=0x10b33b0, e=<optimized out>) at kernel/qobject.cpp:1267
#69 0x00007f8c1171ab2c in QApplicationPrivate::notify_helper (this=0x1037c90, receiver=0x10b33b0, e=0x7ffd1d574800) at kernel/qapplication.cpp:3720
#70 0x00007f8c11720000 in QApplication::notify (this=0x7ffd1d574a40, receiver=0x10b33b0, e=0x7ffd1d574800) at kernel/qapplication.cpp:3503
#71 0x00007f8c10e10c2b in QCoreApplication::notifyInternal (this=0x7ffd1d574a40, receiver=0x10b33b0, event=event@entry=0x7ffd1d574800) at kernel/qcoreapplication.cpp:935
#72 0x00007f8c10e68ae5 in sendEvent (event=0x7ffd1d574800, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#73 QTimerInfoList::activateTimers (this=0x106d388) at kernel/qtimerinfo_unix.cpp:635
#74 0x00007f8c10e666a0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x1067990) at kernel/qeventdispatcher_unix.cpp:549
#75 0x00007f8c10e67243 in QEventDispatcherUNIX::processEvents (this=0x1067990, flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:611
#76 0x00007f8bfcc1996d in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:62
#77 0x00007f8c10e0e3e2 in QEventLoop::exec (this=this@entry=0x7ffd1d574960, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#78 0x00007f8c10e1602c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#79 0x00007f8c1115531c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#80 0x00007f8c117167a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#81 0x00007f8c12b45310 in kdemain (argc=1, argv=0x7ffd1d574ba8) at ../main_x11.cpp:300
#82 0x00007f8c12796a40 in __libc_start_main (main=0x400790 <main(int, char**)>, argc=1, argv=0x7ffd1d574ba8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd1d574b98) at libc-start.c:289
#83 0x00000000004007c9 in _start ()

Reported using DrKonqi