Application: kwin (4.11.9)
KDE Platform Version: 4.11.5
Qt Version: 4.8.5
Operating System: Linux 3.11.10-17-desktop x86_64
Distribution: "openSUSE 13.1 (Bottle) (x86_64)"

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

tried to change window management for monitor position (two monitors exist)

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[KCrash Handler]
#6  begin (this=0x88) at ../../src/corelib/tools/qlist.h:101
#7  contains (t=@0x7fffa85b2908: 0x1eee6f0, this=0x88) at ../../src/corelib/tools/qlist.h:882
#8  QActionGroup::addAction (this=0x1f53270, a=a@entry=0x1eee6f0) at kernel/qactiongroup.cpp:180
#9  0x00007fa7591a870c in KWin::UserActionsMenu::activityPopupAboutToShow (this=0x1e3fe20) at /usr/src/debug/kde-workspace-4.11.9/kwin/useractions.cpp:723
#10 0x00007fa7531e9d68 in QMetaObject::activate (sender=sender@entry=0x1f3caa0, m=m@entry=0x7fa752e06c80 <QMenu::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3556
#11 0x00007fa752779e20 in QMenu::aboutToShow (this=this@entry=0x1f3caa0) at .moc/release-shared/moc_qmenu.cpp:164
#12 0x00007fa75277cd1d in QMenu::popup (this=0x1f3caa0, p=..., atAction=atAction@entry=0x0) at widgets/qmenu.cpp:1844
#13 0x00007fa75277e35b in QMenu::internalDelayedPopup (this=this@entry=0x1e36690) at widgets/qmenu.cpp:3057
#14 0x00007fa75277fdd4 in QMenu::timerEvent (this=0x1e36690, e=<optimized out>) at widgets/qmenu.cpp:2917
#15 0x00007fa7531edf31 in QObject::event (this=this@entry=0x1e36690, e=e@entry=0x7fffa85b3220) at kernel/qobject.cpp:1165
#16 0x00007fa7523a4e4b in QWidget::event (this=this@entry=0x1e36690, event=event@entry=0x7fffa85b3220) at kernel/qwidget.cpp:8846
#17 0x00007fa7527823eb in QMenu::event (this=0x1e36690, e=0x7fffa85b3220) at widgets/qmenu.cpp:2481
#18 0x00007fa7523558ac in QApplicationPrivate::notify_helper (this=this@entry=0x1ca25a0, receiver=receiver@entry=0x1e36690, e=e@entry=0x7fffa85b3220) at kernel/qapplication.cpp:4562
#19 0x00007fa75235be70 in QApplication::notify (this=this@entry=0x7fffa85b4250, receiver=receiver@entry=0x1e36690, e=e@entry=0x7fffa85b3220) at kernel/qapplication.cpp:4348
#20 0x00007fa757a8918a in KApplication::notify (this=0x7fffa85b4250, receiver=0x1e36690, event=0x7fffa85b3220) at /usr/src/debug/kdelibs-4.11.5/kdeui/kernel/kapplication.cpp:311
#21 0x00007fa7531d60ad in QCoreApplication::notifyInternal (this=0x7fffa85b4250, receiver=0x1e36690, event=0x7fffa85b3220) at kernel/qcoreapplication.cpp:949
#22 0x00007fa75320583c in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#23 QTimerInfoList::activateTimers (this=0x1ca3058) at kernel/qeventdispatcher_unix.cpp:636
#24 0x00007fa753205ef0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x1c37a70) at kernel/qeventdispatcher_unix.cpp:893
#25 0x00007fa753206860 in QEventDispatcherUNIX::processEvents (this=this@entry=0x1c37a70, flags=...) at kernel/qeventdispatcher_unix.cpp:955
#26 0x00007fa7523f3256 in QEventDispatcherX11::processEvents (this=0x1c37a70, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#27 0x00007fa7531d4d0f in QEventLoop::processEvents (this=this@entry=0x7fffa85b3570, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007fa7531d5005 in QEventLoop::exec (this=this@entry=0x7fffa85b3570, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007fa7527811e7 in QMenu::exec (this=0x1e36690, p=..., action=action@entry=0x0) at widgets/qmenu.cpp:2125
#30 0x00007fa7591a4ffa in KWin::UserActionsMenu::show (this=0x1e3fe20, pos=..., cl=...) at /usr/src/debug/kde-workspace-4.11.9/kwin/useractions.cpp:167
#31 0x00007fa7591a50bb in KWin::Workspace::showWindowMenu (this=0x1e3fbb0, pos=..., cl=0x1e7ff30) at /usr/src/debug/kde-workspace-4.11.9/kwin/useractions.cpp:1827
#32 0x00007fa759199842 in KWin::Bridge::showWindowMenu (this=0x1ed2310, p=..., id=<optimized out>) at /usr/src/debug/kde-workspace-4.11.9/kwin/bridge.cpp:110
#33 0x00007fa73af3520e in Oxygen::Client::mousePressEvent (this=0x1e53400, event=0x7fffa85b3ae0) at /usr/src/debug/kde-workspace-4.11.9/kwin/clients/oxygen/oxygenclient.cpp:1669
#34 0x00007fa73af3e8ba in Oxygen::Client::eventFilter (this=0x1e53400, object=0x1d74210, event=0x7fffa85b3ae0) at /usr/src/debug/kde-workspace-4.11.9/kwin/clients/oxygen/oxygenclient.cpp:1358
#35 0x00007fa7531d6216 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1ca25a0, receiver=receiver@entry=0x1d74210, event=event@entry=0x7fffa85b3ae0) at kernel/qcoreapplication.cpp:1059
#36 0x00007fa75235588c in QApplicationPrivate::notify_helper (this=this@entry=0x1ca25a0, receiver=receiver@entry=0x1d74210, e=e@entry=0x7fffa85b3ae0) at kernel/qapplication.cpp:4558
#37 0x00007fa75235bfad in QApplication::notify (this=this@entry=0x7fffa85b4250, receiver=receiver@entry=0x1d74210, e=e@entry=0x7fffa85b3ae0) at kernel/qapplication.cpp:4105
#38 0x00007fa757a8918a in KApplication::notify (this=0x7fffa85b4250, receiver=0x1d74210, event=0x7fffa85b3ae0) at /usr/src/debug/kdelibs-4.11.5/kdeui/kernel/kapplication.cpp:311
#39 0x00007fa7531d60ad in QCoreApplication::notifyInternal (this=0x7fffa85b4250, receiver=receiver@entry=0x1d74210, event=event@entry=0x7fffa85b3ae0) at kernel/qcoreapplication.cpp:949
#40 0x00007fa75235b763 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#41 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x1d74210, event=event@entry=0x7fffa85b3ae0, alienWidget=alienWidget@entry=0x0, nativeWidget=nativeWidget@entry=0x1d74210, buttonDown=buttonDown@entry=0x7fa752e33278 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3173
#42 0x00007fa7523ccf7b in QETWidget::translateMouseEvent (this=this@entry=0x1d74210, event=event@entry=0x7fffa85b3e60) at kernel/qapplication_x11.cpp:4528
#43 0x00007fa7523cb9ec in QApplication::x11ProcessEvent (this=0x7fffa85b4250, event=event@entry=0x7fffa85b3e60) at kernel/qapplication_x11.cpp:3651
#44 0x00007fa7523f31f0 in QEventDispatcherX11::processEvents (this=0x1c37a70, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#45 0x00007fa7531d4d0f in QEventLoop::processEvents (this=this@entry=0x7fffa85b40c0, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007fa7531d5005 in QEventLoop::exec (this=this@entry=0x7fffa85b40c0, flags=...) at kernel/qeventloop.cpp:204
#47 0x00007fa7531da13b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#48 0x00007fa75235406c in QApplication::exec () at kernel/qapplication.cpp:3823
#49 0x00007fa759182186 in kdemain (argc=2, argv=0x7fffa85b4398) at /usr/src/debug/kde-workspace-4.11.9/kwin/main.cpp:597
#50 0x00007fa758d75be5 in __libc_start_main () from /lib64/libc.so.6
#51 0x0000000000400761 in _start () at ../sysdeps/x86_64/start.S:122

Possible duplicates by query: bug 336757, bug 336006, bug 335955, bug 335459, bug 335244.

Reported using DrKonqi