Application: kwin (4.10.60)
KDE Platform Version: 4.10.60 (Compiled from sources)
Qt Version: 4.8.2
Operating System: Linux 3.2.0-4-amd64 x86_64
Distribution: Debian GNU/Linux testing (jessie)

-- Information about the crash:
- What I was doing when the application crashed:
This time I just want to see whether it picks up the version information. Then I can close the version for new bugs and it should not accept the bug report any more in the next crash.

- Unusual behavior I noticed:

- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f03cbf43780 (LWP 16491))]

Thread 2 (Thread 0x7f03a5e1c700 (LWP 16503)):
#0  0x00007f03c6eab974 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f03c8b67e77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f03c8b67ea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f03c6ea7e0e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f03c4e4c95d in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f03cbf43780 (LWP 16491)):
[KCrash Handler]
#6  KWin::TabBox::TabBox::currentClient (this=this@entry=0x0) at /home/martin/kdesrc/kde/kde-workspace/kwin/tabbox/tabbox.cpp:601
#7  0x00007f03cbc6d9ce in KWin::TabBox::TabBox::accept (this=0x0) at /home/martin/kdesrc/kde/kde-workspace/kwin/tabbox/tabbox.cpp:1465
#8  0x00007f03cbc6edcb in KWin::TabBox::TabBox::slotWalkThroughWindows (this=0xb352f0) at /home/martin/kdesrc/kde/kde-workspace/kwin/tabbox/tabbox.cpp:966
#9  0x00007f03cbc6f00a in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /home/martin/kdebuild/kde/kde-workspace/kwin/tabbox.moc:155
#10 KWin::TabBox::TabBox::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /home/martin/kdebuild/kde/kde-workspace/kwin/tabbox.moc:130
#11 0x00007f03c724e54f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007f03c63c0502 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007f03c63c06f0 in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007f03c7f86ee1 in trigger (this=0xb91770) at /usr/include/qt4/QtGui/qaction.h:218
#15 KGlobalAccelPrivate::_k_invokeAction (this=0xb3b560, componentUnique=..., actionUnique=..., timestamp=9694658) at /home/martin/kdesrc/kde/kdelibs/kdeui/shortcuts/kglobalaccel.cpp:449
#16 0x00007f03c724e54f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007f03c80860b9 in OrgKdeKglobalaccelComponentInterface::globalShortcutPressed (this=<optimized out>, _t1=..., _t2=..., _t3=9694658) at /home/martin/kdebuild/kde/kdelibs/kdeui/kglobalaccel_component_interface.moc:164
#18 0x00007f03c8086524 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at /home/martin/kdebuild/kde/kdelibs/kdeui/kglobalaccel_component_interface.moc:75
#19 OrgKdeKglobalaccelComponentInterface::qt_static_metacall (_o=0xb2d5b0, _c=<optimized out>, _id=<optimized out>, _a=0x7fff38a0b410) at /home/martin/kdebuild/kde/kdelibs/kdeui/kglobalaccel_component_interface.moc:69
#20 0x00007f03c8086b8f in OrgKdeKglobalaccelComponentInterface::qt_metacall (this=0xb2d5b0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff38a0b410) at /home/martin/kdebuild/kde/kdelibs/kdeui/kglobalaccel_component_interface.moc:130
#21 0x00007f03c75b4c13 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
#22 0x00007f03c724da2e in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007f03c63c670c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007f03c63cab8a in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#25 0x00007f03c7f428e6 in KApplication::notify (this=0x7fff38a0c110, receiver=0xb2d5b0, event=0x1aab870) at /home/martin/kdesrc/kde/kdelibs/kdeui/kernel/kapplication.cpp:311
#26 0x00007f03c7238b5e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#27 0x00007f03c723c9e1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#28 0x00007f03c646843c in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#29 0x00007f03c72378af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#30 0x00007f03c7237b38 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#31 0x00007f03c723ccf8 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#32 0x00007f03cbbcec6c in kdemain (argc=3, argv=0x7fff38a0c258) at /home/martin/kdesrc/kde/kde-workspace/kwin/main.cpp:591
#33 0x00007f03c4d85a55 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#34 0x00000000004008c1 in _start ()

Reported using DrKonqi