Application: kwin (4.10.5 "release 1")
KDE Platform Version: 4.10.5 "release 1"
Qt Version: 4.8.4
Operating System: Linux 3.7.10-1.16-desktop x86_64
Distribution: "openSUSE 12.3 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
opened youtube, dl.ed a video, paralell opened openarena, switched back to desktop and received this crash-msg. video sound works, but video is black.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f338e24e7c0 (LWP 2325))]

Thread 2 (Thread 0x7f3363fff700 (LWP 2335)):
#0  0x00007f33889fa964 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f338a349307 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f338a656660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f338a349339 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f33889f6e0f in start_thread () from /lib64/libpthread.so.0
#4  0x00007f338da6e44d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f338e24e7c0 (LWP 2325)):
[KCrash Handler]
#6  0x00007f3388d92e2a in QMetaObject::invokeMethod (obj=0x1183910, member=<optimized out>, type=Qt::AutoConnection, ret=..., val0=..., val1=..., val2=..., val3=..., val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at kernel/qmetaobject.cpp:1166
#7  0x00007f338c23ba70 in invokeMethod (val9=..., val8=..., val7=..., val6=..., val5=..., val4=..., val3=..., val2=..., val1=..., val0=..., member=0x7f338c24a002 "addLayerRepaint", obj=<optimized out>) at /usr/include/QtCore/qobjectdefs.h:434
#8  KWin::EffectWindow::addLayerRepaint (this=<optimized out>, r=...) at /usr/src/debug/kde-workspace-4.10.5/kwin/libkwineffects/kwineffects.cpp:793
#9  0x00007f338c24788d in KWin::AnimationEffect::postPaintScreen (this=<optimized out>) at /usr/src/debug/kde-workspace-4.10.5/kwin/libkwineffects/kwinanimationeffect.cpp:543
#10 0x00007f338de0ccf8 in KWin::EffectsHandlerImpl::postPaintScreen (this=0xfd2ba0) at /usr/src/debug/kde-workspace-4.10.5/kwin/effects.cpp:260
#11 0x00007f338dded095 in KWin::Scene::paintScreen (this=0x12da420, mask=<optimized out>, region=0x7fffff578740) at /usr/src/debug/kde-workspace-4.10.5/kwin/scene.cpp:144
#12 0x00007f338ddf36dc in KWin::SceneXrender::paint (this=0x12da420, damage=..., toplevels=...) at /usr/src/debug/kde-workspace-4.10.5/kwin/scene_xrender.cpp:187
#13 0x00007f338dde736c in KWin::Compositor::performCompositing (this=0xf6eea0) at /usr/src/debug/kde-workspace-4.10.5/kwin/composite.cpp:610
#14 0x00007f3388d9d5ac in QObject::event (this=0xf6eea0, e=<optimized out>) at kernel/qobject.cpp:1165
#15 0x00007f3387f1686c in QApplicationPrivate::notify_helper (this=this@entry=0xd54380, receiver=receiver@entry=0xf6eea0, e=e@entry=0x7fffff578f20) at kernel/qapplication.cpp:4562
#16 0x00007f3387f1aceb in QApplication::notify (this=0x7fffff579560, receiver=0xf6eea0, e=0x7fffff578f20) at kernel/qapplication.cpp:4423
#17 0x00007f338d5667f6 in KApplication::notify (this=0x7fffff579560, receiver=0xf6eea0, event=0x7fffff578f20) at /usr/src/debug/kdelibs-4.10.5/kdeui/kernel/kapplication.cpp:311
#18 0x00007f3388d88d8e in QCoreApplication::notifyInternal (this=0x7fffff579560, receiver=0xf6eea0, event=0x7fffff578f20) at kernel/qcoreapplication.cpp:946
#19 0x00007f3388db9b61 in sendEvent (event=0x7fffff578f20, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#20 QTimerInfoList::activateTimers (this=0xd54d78) at kernel/qeventdispatcher_unix.cpp:637
#21 0x00007f3388dba1a0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0xcaea70) at kernel/qeventdispatcher_unix.cpp:894
#22 0x00007f3388dba2f8 in QEventDispatcherUNIX::processEvents (this=0xcaea70, flags=...) at kernel/qeventdispatcher_unix.cpp:956
#23 0x00007f3387fb7a3f in QEventDispatcherX11::processEvents (this=0xcaea70, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#24 0x00007f3388d87adf in QEventLoop::processEvents (this=this@entry=0x7fffff579270, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007f3388d87d68 in QEventLoop::exec (this=0x7fffff579270, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007f3388d8ca08 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x00007f338dd9dd9a in kdemain (argc=3, argv=0x7fffff5796a8) at /usr/src/debug/kde-workspace-4.10.5/kwin/main.cpp:537
#28 0x00007f338d9a6a15 in __libc_start_main () from /lib64/libc.so.6
#29 0x0000000000400761 in _start () at ../sysdeps/x86_64/start.S:123

Possible duplicates by query: bug 323624, bug 321125.

Reported using DrKonqi