Application: kwinactive_gles (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic i686
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed:

Pulled the menu from above. Every secound attempt to do so I get the mentioned segfault.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwinactive_gles), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb12b7740 (LWP 1313))]

Thread 2 (Thread 0xaec33b40 (LWP 1540)):
#0  0xb7772424 in __kernel_vsyscall ()
#1  0xb4cd484b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75289bc in __pthread_cond_wait (cond=0xb704d8d0, mutex=0xb704d8b8) at forward.c:149
#3  0xb6f4aef2 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb6f4af3f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb4cd0d78 in start_thread (arg=0xaec33b40) at pthread_create.c:311
#6  0xb751b01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb12b7740 (LWP 1313)):
[KCrash Handler]
#7  data (this=0x4) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
#8  qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:2457
#9  d_func (this=0x0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:115
#10 QObject::property (this=0x0, name=name@entry=0xb772f35a "width") at kernel/qobject.cpp:3732
#11 0xb76fe0d9 in KWin::TabBox::DeclarativeView::slotEmbeddedChanged (this=0x9dd55c0, enabled=true) at ../../../kwin/tabbox/declarative.cpp:443
#12 0xb761d3d6 in KWin::TabBox::DeclarativeView::qt_static_metacall (_o=0x0, _id=-1217203366, _a=0xbfa878f8, _c=<optimized out>) at moc_declarative.cpp:60
#13 0xb5fe9fc7 in QMetaObject::activate (sender=sender@entry=0x97f8a00, m=m@entry=0xb776ad9c <KWin::TabBox::TabBoxHandler::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0xbfa878f8) at kernel/qobject.cpp:3539
#14 0xb7620a4d in KWin::TabBox::TabBoxHandler::embeddedChanged (this=this@entry=0x97f8a00, _t1=_t1@entry=true) at moc_tabboxhandler.cpp:114
#15 0xb7701711 in KWin::TabBox::TabBoxHandler::setEmbedded (this=0x97f8a00, wid=wid@entry=29360166) at ../../../kwin/tabbox/tabboxhandler.cpp:478
#16 0xb76f3b60 in KWin::TabBox::TabBox::openEmbedded (this=this@entry=0x97f8ef0, wid=29360166, offset=..., size=..., horizontalAlignment=1, verticalAlignment=64, layout=...) at ../../../kwin/tabbox/tabbox.cpp:1189
#17 0xb76f868a in KWin::TabBox::TabBox::qt_static_metacall (_o=_o@entry=0x97f8ef0, _id=_id@entry=10, _a=_a@entry=0xbfa87aac, _c=QMetaObject::InvokeMetaMethod) at ./tabbox.moc:146
#18 0xb76f8993 in qt_static_metacall (_a=0xbfa87aac, _id=10, _c=QMetaObject::InvokeMetaMethod, _o=0x97f8ef0) at ./tabbox.moc:218
#19 KWin::TabBox::TabBox::qt_metacall (this=0x97f8ef0, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfa87aac) at ./tabbox.moc:219
#20 0xb6162ebe in QDBusConnectionPrivate::deliverCall (this=this@entry=0x968bef0, object=object@entry=0x97f8ef0, msg=..., metaTypes=..., slotIdx=14) at qdbusintegrator.cpp:951
#21 0xb6164207 in QDBusConnectionPrivate::activateCall (this=0x968bef0, object=0x97f8ef0, flags=240, msg=...) at qdbusintegrator.cpp:863
#22 0xb6164847 in QDBusConnectionPrivate::activateObject (this=0x968bef0, node=..., msg=..., pathStartPos=7) at qdbusintegrator.cpp:1427
#23 0xb6164c28 in QDBusActivateObjectEvent::placeMetaCall (this=0x97f0ca8) at qdbusintegrator.cpp:1541
#24 0xb5fee58b in QObject::event (this=0x97f8ef0, e=0x97f0ca8) at kernel/qobject.cpp:1194
#25 0xb54e5744 in QApplicationPrivate::notify_helper (this=0x969c4d0, receiver=0x97f8ef0, e=0x97f0ca8) at kernel/qapplication.cpp:4567
#26 0xb54ec223 in QApplication::notify (this=0xbfa88258, receiver=receiver@entry=0x97f8ef0, e=e@entry=0x97f0ca8) at kernel/qapplication.cpp:4353
#27 0xb6b9aff4 in KApplication::notify (this=this@entry=0xbfa88258, receiver=receiver@entry=0x97f8ef0, event=event@entry=0x97f0ca8) at ../../kdeui/kernel/kapplication.cpp:311
#28 0xb7652fb9 in KWin::Application::notify (this=0xbfa88258, o=0x97f8ef0, e=0x97f0ca8) at ../../../kwin/main.cpp:431
#29 0xb5fd4eda in QCoreApplication::notifyInternal (this=0xbfa88258, receiver=receiver@entry=0x97f8ef0, event=event@entry=0x97f0ca8) at kernel/qcoreapplication.cpp:946
#30 0xb5fd86ad in sendEvent (event=0x97f0ca8, receiver=0x97f8ef0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x9655130) at kernel/qcoreapplication.cpp:1570
#32 0xb5fd8bbc in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#33 0xb559abe9 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#34 QEventDispatcherX11::processEvents (this=0x9655ea8, flags=...) at kernel/qeventdispatcher_x11.cpp:75
#35 0xb5fd39f3 in QEventLoop::processEvents (this=this@entry=0xbfa88158, flags=...) at kernel/qeventloop.cpp:149
#36 0xb5fd3d19 in QEventLoop::exec (this=this@entry=0xbfa88158, flags=...) at kernel/qeventloop.cpp:204
#37 0xb5fd989e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#38 0xb54e3974 in QApplication::exec () at kernel/qapplication.cpp:3828
#39 0xb765435e in kdemain (argc=1, argv=0xbfa88344) at ../../../kwin/main.cpp:597
#40 0x0804856b in main (argc=1, argv=0xbfa88344) at kwin_gles_dummy.cpp:3

Reported using DrKonqi