Application: kwin_x11 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed: Used keyboard shortcut to open chrome, and Kwin Crashed.

- Unusual behavior I noticed: With Kwin crashed, the size of icons in my panels changed greatly.

-- 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 0x7fc69caaa800 (LWP 2052))]

Thread 3 (Thread 0x7fc67ce08700 (LWP 2258)):
#0  0x00007fc69c576743 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc69adc0101 in qt_safe_select (nfds=16, fdread=fdread@entry=0x7fc674000a98, fdwrite=fdwrite@entry=0x7fc674000d28, fdexcept=fdexcept@entry=0x7fc674000fb8, orig_timeout=orig_timeout@entry=0x0) at kernel/qcore_unix.cpp:75
#2  0x00007fc69adc1cd2 in select (timeout=0x0, exceptfds=0x7fc674000fb8, writefds=0x7fc674000d28, readfds=0x7fc674000a98, nfds=<optimized out>, this=0x7fc6740008e0) at kernel/qeventdispatcher_unix.cpp:320
#3  QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fc674000900, flags=..., flags@entry=..., timeout=timeout@entry=0x0) at kernel/qeventdispatcher_unix.cpp:196
#4  0x00007fc69adc2275 in QEventDispatcherUNIX::processEvents (this=0x7fc6740008e0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5  0x00007fc69ad693e2 in QEventLoop::exec (this=this@entry=0x7fc67ce07da0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fc69ab28b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fc6949dbf65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fc69ab2db0e in QThreadPrivate::start (arg=0x10e6df0) at thread/qthread_unix.cpp:337
#9  0x00007fc693ba86aa in start_thread (arg=0x7fc67ce08700) at pthread_create.c:333
#10 0x00007fc69c57feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fc66d8f1700 (LWP 2514)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fc699932644 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fc699932689 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fc693ba86aa in start_thread (arg=0x7fc66d8f1700) at pthread_create.c:333
#4  0x00007fc69c57feed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc69caaa800 (LWP 2052)):
[KCrash Handler]
#6  0x00007fc69c4ae267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007fc69c4afeca in __GI_abort () at abort.c:89
#8  0x00007fc69ab1aedf in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=this@entry=0x7ffe518b6180, msg=msg@entry=0x7fc69a34f8a8 "Splitting quads is allowed only in pre-paint calls!") at global/qlogging.cpp:636
#10 0x00007fc69a33cea1 in KWin::WindowQuad::makeSubQuad (this=this@entry=0x1ca41d0, x1=x1@entry=1830.3669148536551, y1=y1@entry=-6.9840087368104946, x2=x2@entry=1920, y2=y2@entry=46.132516809575407) at ../../libkwineffects/kwineffects.cpp:907
#11 0x00007fc69c140289 in KWin::SceneOpenGL::Window::beginRenderWindow (this=<optimized out>, mask=<optimized out>, region=..., data=...) at ../scene_opengl.cpp:1249
#12 0x00007fc69c140907 in KWin::SceneOpenGL2Window::performPaint (this=this@entry=0x15b6ca0, mask=mask@entry=118, region=..., data=...) at ../scene_opengl.cpp:1421
#13 0x00007fc69c146642 in KWin::SceneOpenGL2::performPaintWindow (this=this@entry=0x10acca0, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../scene_opengl.cpp:1082
#14 0x00007fc69c146818 in KWin::SceneOpenGL2::finalDrawWindow (this=0x10acca0, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../scene_opengl.cpp:1068
#15 0x00007fc69c15f139 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:473
#16 0x00007fc699ee7385 in KWin::ContrastEffect::drawWindow (this=this@entry=0xe6a980, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../effects/backgroundcontrast/contrast.cpp:345
#17 0x00007fc69c15f0d1 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:470
#18 0x00007fc699e5d2db in KWin::BlurEffect::drawWindow (this=this@entry=0xe5f100, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../effects/blur/blur.cpp:415
#19 0x00007fc69c15f0d1 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:470
#20 0x00007fc69a3397c1 in KWin::Effect::drawWindow (this=this@entry=0x15a1770, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#21 0x00007fc69c15f0d1 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:470
#22 0x00007fc69a3397c1 in KWin::Effect::drawWindow (this=this@entry=0x15a4150, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#23 0x00007fc69c15f0d1 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:470
#24 0x00007fc69a3397c1 in KWin::Effect::drawWindow (this=this@entry=0x17f8650, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#25 0x00007fc69c15f0d1 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:470
#26 0x00007fc69a3397c1 in KWin::Effect::drawWindow (this=this@entry=0x1807120, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:580
#27 0x00007fc69c15f0d1 in KWin::EffectsHandlerImpl::drawWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:470
#28 0x00007fc69c128841 in KWin::Scene::finalPaintWindow (this=<optimized out>, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../scene.cpp:605
#29 0x00007fc69c15ef7a in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:436
#30 0x00007fc69a339651 in KWin::Effect::paintWindow (this=this@entry=0xe6a980, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:550
#31 0x00007fc69c15ef21 in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:433
#32 0x00007fc69a339651 in KWin::Effect::paintWindow (this=this@entry=0xe5f100, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:550
#33 0x00007fc69c15ef21 in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:433
#34 0x00007fc69a347937 in KWin::AnimationEffect::paintWindow (this=this@entry=0x15a1770, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../libkwineffects/kwinanimationeffect.cpp:585
#35 0x00007fc69c15ef21 in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:433
#36 0x00007fc699e92504 in KWin::GlideEffect::paintWindow (this=this@entry=0x15a4150, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../effects/glide/glide.cpp:125
#37 0x00007fc69c15ef21 in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:433
#38 0x00007fc699edafd8 in KWin::SlideEffect::paintWindow (this=this@entry=0x17f8650, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../effects/slide/slide.cpp:178
#39 0x00007fc69c15ef21 in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:433
#40 0x00007fc699ebcfbd in KWin::WobblyWindowsEffect::paintWindow (this=this@entry=0x1807120, w=w@entry=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../../effects/wobblywindows/wobblywindows.cpp:331
#41 0x00007fc69c15ef21 in KWin::EffectsHandlerImpl::paintWindow (this=0xfccc30, w=0x1ca1db0, mask=mask@entry=118, region=..., data=...) at ../effects.cpp:433
#42 0x00007fc69c12cee8 in KWin::Scene::paintWindow (this=this@entry=0x10acca0, w=0x15b6ca0, mask=118, region=..., quads=...) at ../scene.cpp:477
#43 0x00007fc69c129ed6 in KWin::Scene::paintGenericScreen (this=this@entry=0x10acca0, orig_mask=orig_mask@entry=112) at ../scene.cpp:241
#44 0x00007fc69c13bbd4 in KWin::SceneOpenGL2::paintGenericScreen (this=this@entry=0x10acca0, mask=mask@entry=112, data=...) at ../scene_opengl.cpp:1020
#45 0x00007fc69c12824d in KWin::Scene::finalPaintScreen (this=0x10acca0, mask=mask@entry=112, region=..., data=...) at ../scene.cpp:197
#46 0x00007fc69c15ecff in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=mask@entry=112, region=..., data=...) at ../effects.cpp:393
#47 0x00007fc69a33957f in KWin::Effect::paintScreen (this=this@entry=0xe6a980, mask=mask@entry=112, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#48 0x00007fc69c15ecad in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=mask@entry=112, region=..., data=...) at ../effects.cpp:390
#49 0x00007fc69a33957f in KWin::Effect::paintScreen (this=this@entry=0xe5f100, mask=mask@entry=112, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#50 0x00007fc69c15ecad in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=mask@entry=112, region=..., data=...) at ../effects.cpp:390
#51 0x00007fc69a33957f in KWin::Effect::paintScreen (this=this@entry=0x15a1770, mask=mask@entry=112, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#52 0x00007fc69c15ecad in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=mask@entry=112, region=..., data=...) at ../effects.cpp:390
#53 0x00007fc69a33957f in KWin::Effect::paintScreen (this=this@entry=0x15a4150, mask=mask@entry=112, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#54 0x00007fc69c15ecad in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=mask@entry=112, region=..., data=...) at ../effects.cpp:390
#55 0x00007fc699edc587 in KWin::SlideEffect::paintScreen (this=this@entry=0x17f8650, mask=mask@entry=112, region=..., data=...) at ../../effects/slide/slide.cpp:165
#56 0x00007fc69c15ecad in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=mask@entry=112, region=..., data=...) at ../effects.cpp:390
#57 0x00007fc69a33957f in KWin::Effect::paintScreen (this=this@entry=0x1807120, mask=mask@entry=112, region=..., data=...) at ../../libkwineffects/kwineffects.cpp:535
#58 0x00007fc69c15ecad in KWin::EffectsHandlerImpl::paintScreen (this=0xfccc30, mask=112, region=..., data=...) at ../effects.cpp:390
#59 0x00007fc69c127e6a in KWin::Scene::paintScreen (this=this@entry=0x10acca0, mask=mask@entry=0x7ffe518b7c6c, damage=..., repaint=..., updateRegion=updateRegion@entry=0x7ffe518b7c80, validRegion=validRegion@entry=0x7ffe518b7c90) at ../scene.cpp:149
#60 0x00007fc69c141da7 in KWin::SceneOpenGL::paint (this=0x10acca0, damage=..., toplevels=...) at ../scene_opengl.cpp:651
#61 0x00007fc69c121973 in KWin::Compositor::performCompositing (this=0xf7a850) at ../composite.cpp:658
#62 0x00007fc69ad9d6f3 in QObject::event (this=0xf7a850, e=<optimized out>) at kernel/qobject.cpp:1267
#63 0x00007fc69b675b2c in QApplicationPrivate::notify_helper (this=0xe33e90, receiver=0xf7a850, e=0x7ffe518b80a0) at kernel/qapplication.cpp:3720
#64 0x00007fc69b67b000 in QApplication::notify (this=0x7ffe518b82e0, receiver=0xf7a850, e=0x7ffe518b80a0) at kernel/qapplication.cpp:3503
#65 0x00007fc69ad6bc2b in QCoreApplication::notifyInternal (this=0x7ffe518b82e0, receiver=0xf7a850, event=event@entry=0x7ffe518b80a0) at kernel/qcoreapplication.cpp:935
#66 0x00007fc69adc3ae5 in sendEvent (event=0x7ffe518b80a0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#67 QTimerInfoList::activateTimers (this=0xe951c8) at kernel/qtimerinfo_unix.cpp:635
#68 0x00007fc69adc16a0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0xe7f620) at kernel/qeventdispatcher_unix.cpp:549
#69 0x00007fc69adc2243 in QEventDispatcherUNIX::processEvents (this=0xe7f620, flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:611
#70 0x00007fc685c7196d in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:62
#71 0x00007fc69ad693e2 in QEventLoop::exec (this=this@entry=0x7ffe518b8200, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#72 0x00007fc69ad7102c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#73 0x00007fc69b0b031c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#74 0x00007fc69b6717a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#75 0x00007fc69c8478c3 in kdemain (argc=1, argv=0x7ffe518b8438) at ../main_x11.cpp:294
#76 0x00007fc69c499a40 in __libc_start_main (main=0x400790 <main(int, char**)>, argc=3, argv=0x7ffe518b8438, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe518b8428) at libc-start.c:289
#77 0x00000000004007c9 in _start ()

Reported using DrKonqi