Application: kwin (4.11.9)
KDE Platform Version: 4.13.0 (Compiled from sources)
Qt Version: 4.8.6
Operating System: Linux 3.13.0-24-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: i follow the instruction from the windows.And i tried the bugtracking installation but i failled.

The crash can be reproduced sometimes.

-- 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 0x7f3d5e05f800 (LWP 16583))]

Thread 3 (Thread 0x7f3d3ee8c700 (LWP 16586)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f3d5ca1dffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f3d5ca1e039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f3d555c3182 in start_thread (arg=0x7f3d3ee8c700) at pthread_create.c:312
#4  0x00007f3d5d82f30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f3d3d369700 (LWP 16589)):
#0  0x00007f3d5d826c33 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f3d57c182c7 in qt_safe_select (nfds=17, fdread=0x7f3cac000ac8, fdwrite=0x7f3cac000d60, fdexcept=0x7f3cac000ff8, orig_timeout=0x0) at kernel/qcore_unix.cpp:79
#2  0x00007f3d57c1d824 in QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7f3cac000910, flags=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:223
#3  0x00007f3d57c1dc92 in QEventDispatcherUNIX::processEvents (this=0x7f3cac0008f0, flags=...) at kernel/qeventdispatcher_unix.cpp:936
#4  0x00007f3d57bec0af in QEventLoop::processEvents (this=this@entry=0x7f3d3d368da0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f3d57bec3a5 in QEventLoop::exec (this=this@entry=0x7f3d3d368da0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f3d57ae8c5f in QThread::exec (this=this@entry=0x1ea8de0) at thread/qthread.cpp:537
#7  0x00007f3d57bcd823 in QInotifyFileSystemWatcherEngine::run (this=0x1ea8de0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f3d57aeb32f in QThreadPrivate::start (arg=0x1ea8de0) at thread/qthread_unix.cpp:349
#9  0x00007f3d555c3182 in start_thread (arg=0x7f3d3d369700) at pthread_create.c:312
#10 0x00007f3d5d82f30d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f3d5e05f800 (LWP 16583)):
[KCrash Handler]
#6  0x00007f3d56f83c6c in begin (this=0x2ae8ae8) at ../../include/QtCore/../../src/corelib/tools/qlist.h:101
#7  contains (t=@0x7fff98ea05c8: 0x27827e0, this=0x2ae8ae8) at ../../include/QtCore/../../src/corelib/tools/qlist.h:882
#8  QActionGroup::addAction (this=0x26b6c60, a=a@entry=0x27827e0) at kernel/qactiongroup.cpp:180
#9  0x00007f3d5db9be9c in KWin::UserActionsMenu::activityPopupAboutToShow (this=0x18ed390) at ../../kwin/useractions.cpp:723
#10 0x00007f3d57c0187a in QMetaObject::activate (sender=sender@entry=0x1d4a930, m=m@entry=0x7f3d57a40340 <QMenu::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#11 0x00007f3d573b01c0 in QMenu::aboutToShow (this=this@entry=0x1d4a930) at .moc/release-shared/moc_qmenu.cpp:164
#12 0x00007f3d573b30bd in QMenu::popup (this=0x1d4a930, p=..., atAction=atAction@entry=0x0) at widgets/qmenu.cpp:1844
#13 0x00007f3d573b46fb in QMenu::internalDelayedPopup (this=this@entry=0x197a9f0) at widgets/qmenu.cpp:3057
#14 0x00007f3d573b6174 in QMenu::timerEvent (this=0x197a9f0, e=<optimized out>) at widgets/qmenu.cpp:2917
#15 0x00007f3d57c05a31 in QObject::event (this=this@entry=0x197a9f0, e=e@entry=0x7fff98ea0e40) at kernel/qobject.cpp:1156
#16 0x00007f3d56fd655b in QWidget::event (this=this@entry=0x197a9f0, event=event@entry=0x7fff98ea0e40) at kernel/qwidget.cpp:8846
#17 0x00007f3d573b87bb in QMenu::event (this=0x197a9f0, e=0x7fff98ea0e40) at widgets/qmenu.cpp:2481
#18 0x00007f3d56f86e2c in QApplicationPrivate::notify_helper (this=this@entry=0x1747110, receiver=receiver@entry=0x197a9f0, e=e@entry=0x7fff98ea0e40) at kernel/qapplication.cpp:4567
#19 0x00007f3d56f8d4a0 in QApplication::notify (this=this@entry=0x7fff98ea3570, receiver=receiver@entry=0x197a9f0, e=e@entry=0x7fff98ea0e40) at kernel/qapplication.cpp:4353
#20 0x00007f3d5c472baa in KApplication::notify (this=0x7fff98ea3570, receiver=0x197a9f0, event=0x7fff98ea0e40) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f3d57bed4dd in QCoreApplication::notifyInternal (this=0x7fff98ea3570, receiver=0x197a9f0, event=0x7fff98ea0e40) at kernel/qcoreapplication.cpp:953
#22 0x00007f3d57c1d323 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QTimerInfoList::activateTimers (this=0x1747d38) at kernel/qeventdispatcher_unix.cpp:621
#24 0x00007f3d57c1d3a0 in QEventDispatcherUNIX::activateTimers (this=this@entry=0x16dfaf0) at kernel/qeventdispatcher_unix.cpp:878
#25 0x00007f3d57c1dd20 in QEventDispatcherUNIX::processEvents (this=this@entry=0x16dfaf0, flags=...) at kernel/qeventdispatcher_unix.cpp:940
#26 0x00007f3d570294d6 in QEventDispatcherX11::processEvents (this=0x16dfaf0, flags=...) at kernel/qeventdispatcher_x11.cpp:152
#27 0x00007f3d57bec0af in QEventLoop::processEvents (this=this@entry=0x7fff98ea1190, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f3d57bec3a5 in QEventLoop::exec (this=this@entry=0x7fff98ea1190, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007f3d573b7587 in QMenu::exec (this=0x197a9f0, p=..., action=action@entry=0x0) at widgets/qmenu.cpp:2125
#30 0x00007f3d5db9878a in KWin::UserActionsMenu::show (this=0x18ed390, pos=..., cl=...) at ../../kwin/useractions.cpp:167
#31 0x00007f3d5db9884b in KWin::Workspace::showWindowMenu (this=0x18d8410, pos=..., cl=cl@entry=0x1ad1630) at ../../kwin/useractions.cpp:1827
#32 0x00007f3d5db98fca in KWin::Client::performMouseCommand (this=this@entry=0x1ad1630, command=command@entry=KWin::Options::MouseOperationsMenu, globalPos=..., handled=handled@entry=false) at ../../kwin/useractions.cpp:1227
#33 0x00007f3d5db7dc55 in KWin::Client::processDecorationButtonPress (this=0x1ad1630, button=3, x=<optimized out>, y=<optimized out>, x_root=<optimized out>, y_root=9, ignoreMenu=ignoreMenu@entry=false) at ../../kwin/events.cpp:1100
#34 0x00007f3d5db80bda in KWin::Client::processMousePressEvent (this=<optimized out>, e=<optimized out>) at ../../kwin/events.cpp:1133
#35 0x00007f3d3ee946cf in Aurorae::AuroraeClient::titlePressed (this=0x1d6aee0, button=Qt::RightButton, buttons=...) at ../../../../../kwin/clients/aurorae/src/aurorae.cpp:506
#36 0x00007f3d3ee970aa in titlePressed (buttons=<optimized out>, button=<optimized out>, this=<optimized out>) at ../../../../../kwin/clients/aurorae/src/aurorae.cpp:488
#37 Aurorae::AuroraeClient::qt_static_metacall (_o=0x27827e0, _o@entry=0x1d6aee0, _id=41428960, _id@entry=17, _a=0x7fff98ea1620, _c=<optimized out>) at ./aurorae.moc:289
#38 0x00007f3d3ee97a53 in qt_static_metacall (_a=0x7fff98ea1620, _id=17, _c=QMetaObject::InvokeMetaMethod, _o=0x1d6aee0) at ./aurorae.moc:346
#39 Aurorae::AuroraeClient::qt_metacall (this=0x1d6aee0, _c=QMetaObject::InvokeMetaMethod, _id=17, _a=0x7fff98ea1620) at ./aurorae.moc:347
#40 0x00007f3d5cf8b2f8 in QDeclarativeObjectMethodScriptClass::callMethod (this=this@entry=0x194b490, object=object@entry=0x1d6aee0, index=<optimized out>, returnType=<optimized out>, argCount=<optimized out>, argTypes=0x7fff98ea18d0, ctxt=ctxt@entry=0x7f3d3e18c0a8) at qml/qdeclarativeobjectscriptclass.cpp:970
#41 0x00007f3d5cf8cf28 in QDeclarativeObjectMethodScriptClass::callPrecise (this=this@entry=0x194b490, object=0x1d6aee0, data=..., ctxt=ctxt@entry=0x7f3d3e18c0a8) at qml/qdeclarativeobjectscriptclass.cpp:944
#42 0x00007f3d5cf8d57d in QDeclarativeObjectMethodScriptClass::callOverloaded (this=0x194b490, method=0x2723d10, ctxt=0x7f3d3e18c0a8) at qml/qdeclarativeobjectscriptclass.cpp:1064
#43 0x00007f3d5cf8d80f in QDeclarativeObjectMethodScriptClass::call (this=<optimized out>, o=<optimized out>, ctxt=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:919
#44 0x00007f3d5ca95124 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#45 0x00007f3d5c990118 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#46 0x00007f3d5c96dfc0 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#47 0x00007f3cb80c5df8 in ?? ()
#48 0x7fffffff00000001 in ?? ()
#49 0x00007f3c9ca4cc00 in ?? ()
#50 0x00007f3c0000000c in ?? ()
#51 0x0000000000000003 in ?? ()
#52 0x00007f3c9ca4cb80 in ?? ()
#53 0x00007f3c9cfa9270 in ?? ()
#54 0x00007f3d3e58f738 in ?? ()
#55 0x00007f3c9cf938c0 in ?? ()
#56 0x00007f3c9cfa7480 in ?? ()
#57 0x00007f3cb80c5840 in ?? ()
#58 0x00007f3d3e58f750 in ?? ()
#59 0x00007f3d3e18c0a8 in ?? ()
#60 0x00007f3d3e595a88 in ?? ()
#61 0x00007f3d5cd1bdc8 in __bss_start () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#62 0x00007f3d3e594800 in ?? ()
#63 0x00007f3d3e18c000 in ?? ()
#64 0x00007f3d3e594800 in ?? ()
#65 0x00007f3c9cfa8700 in ?? ()
#66 0x000000000192da98 in ?? ()
#67 0x00007f3d3e18c048 in ?? ()
#68 0x00007f3d3e58f738 in ?? ()
#69 0x00007f3d5c9271f6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#70 0x00007f3d5c9bc286 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#71 0x00007f3d5c99013f in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#72 0x00007f3d5ca7763e in QScriptValue::call(QScriptValue const&, QList<QScriptValue> const&) () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#73 0x00007f3d5cef75e5 in QDeclarativeQtScriptExpression::eval (this=this@entry=0x2643cf8, secondaryScope=<optimized out>, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:518
#74 0x00007f3d5cef98fe in QDeclarativeQtScriptExpression::scriptValue (this=this@entry=0x2643cf8, secondaryScope=secondaryScope@entry=0x1c200a0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:470
#75 0x00007f3d5cef9bfa in QDeclarativeExpressionPrivate::scriptValue (this=this@entry=0x2643c70, secondaryScope=secondaryScope@entry=0x1c200a0, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:653
#76 0x00007f3d5cef9d21 in QDeclarativeExpressionPrivate::value (this=0x2643c70, secondaryScope=0x1c200a0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:667
#77 0x00007f3d5cf312f5 in QDeclarativeBoundSignal::qt_metacall (this=0x2643b10, c=<optimized out>, id=<optimized out>, a=0x7fff98ea2280) at qml/qdeclarativeboundsignal.cpp:199
#78 0x00007f3d57c01a78 in QMetaObject::activate (sender=sender@entry=0x2642bb0, m=m@entry=0x7f3d5d2de900 <QDeclarativeMouseArea::staticMetaObject>, local_signal_index=local_signal_index@entry=8, argv=argv@entry=0x7fff98ea2280) at kernel/qobject.cpp:3569
#79 0x00007f3d5cfe7292 in QDeclarativeMouseArea::pressed (this=this@entry=0x2642bb0, _t1=_t1@entry=0x7fff98ea22b0) at .moc/release-shared/moc_qdeclarativemousearea_p.cpp:501
#80 0x00007f3d5ce9aa07 in QDeclarativeMouseArea::setPressed (this=this@entry=0x2642bb0, p=p@entry=true) at graphicsitems/qdeclarativemousearea.cpp:920
#81 0x00007f3d5ce9b343 in QDeclarativeMouseArea::mousePressEvent (this=0x2642bb0, event=0x7fff98ea2880) at graphicsitems/qdeclarativemousearea.cpp:494
#82 0x00007f3d5753057f in QGraphicsItem::sceneEvent (this=this@entry=0x2642bc0, event=event@entry=0x7fff98ea2880) at graphicsview/qgraphicsitem.cpp:6752
#83 0x00007f3d5ce8e7c4 in QDeclarativeItem::sceneEvent (this=this@entry=0x2642bb0, event=event@entry=0x7fff98ea2880) at graphicsitems/qdeclarativeitem.cpp:3081
#84 0x00007f3d5ce9c231 in QDeclarativeMouseArea::sceneEvent (this=0x2642bb0, event=0x7fff98ea2880) at graphicsitems/qdeclarativemousearea.cpp:676
#85 0x00007f3d575575af in QGraphicsScenePrivate::sendMouseEvent (this=0x1dac310, mouseEvent=0x7fff98ea2880) at graphicsview/qgraphicsscene.cpp:1295
#86 0x00007f3d57562e26 in QGraphicsScenePrivate::mousePressEventHandler (this=this@entry=0x1dac310, mouseEvent=mouseEvent@entry=0x7fff98ea2880) at graphicsview/qgraphicsscene.cpp:1422
#87 0x00007f3d575632b9 in QGraphicsScene::mousePressEvent (this=<optimized out>, mouseEvent=0x7fff98ea2880) at graphicsview/qgraphicsscene.cpp:4074
#88 0x00007f3d5756c100 in QGraphicsScene::event (this=0x1b57dd0, event=0x7fff98ea2880) at graphicsview/qgraphicsscene.cpp:3455
#89 0x00007f3d56f86e2c in QApplicationPrivate::notify_helper (this=this@entry=0x1747110, receiver=receiver@entry=0x1b57dd0, e=e@entry=0x7fff98ea2880) at kernel/qapplication.cpp:4567
#90 0x00007f3d56f8d4a0 in QApplication::notify (this=this@entry=0x7fff98ea3570, receiver=receiver@entry=0x1b57dd0, e=e@entry=0x7fff98ea2880) at kernel/qapplication.cpp:4353
#91 0x00007f3d5c472baa in KApplication::notify (this=0x7fff98ea3570, receiver=0x1b57dd0, event=0x7fff98ea2880) at ../../kdeui/kernel/kapplication.cpp:311
#92 0x00007f3d57bed4dd in QCoreApplication::notifyInternal (this=0x7fff98ea3570, receiver=0x1b57dd0, event=event@entry=0x7fff98ea2880) at kernel/qcoreapplication.cpp:953
#93 0x00007f3d56f85556 in sendSpontaneousEvent (event=event@entry=0x7fff98ea2880, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#94 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fff98ea2880) at kernel/qapplication.cpp:5565
#95 0x00007f3d57582a5f in QGraphicsView::mousePressEvent (this=0x2649d80, event=0x7fff98ea2df0) at graphicsview/qgraphicsview.cpp:3164
#96 0x00007f3d56fd637b in QWidget::event (this=this@entry=0x2649d80, event=event@entry=0x7fff98ea2df0) at kernel/qwidget.cpp:8372
#97 0x00007f3d57377fce in QFrame::event (this=0x2649d80, e=0x7fff98ea2df0) at widgets/qframe.cpp:557
#98 0x00007f3d575837b9 in QGraphicsView::viewportEvent (this=0x2649d80, event=0x7fff98ea2df0) at graphicsview/qgraphicsview.cpp:2866
#99 0x00007f3d57bed646 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1747110, receiver=receiver@entry=0x27497f0, event=event@entry=0x7fff98ea2df0) at kernel/qcoreapplication.cpp:1063
#100 0x00007f3d56f86e0c in QApplicationPrivate::notify_helper (this=this@entry=0x1747110, receiver=receiver@entry=0x27497f0, e=e@entry=0x7fff98ea2df0) at kernel/qapplication.cpp:4563
#101 0x00007f3d56f8d5dd in QApplication::notify (this=this@entry=0x7fff98ea3570, receiver=receiver@entry=0x27497f0, e=e@entry=0x7fff98ea2df0) at kernel/qapplication.cpp:4110
#102 0x00007f3d5c472baa in KApplication::notify (this=0x7fff98ea3570, receiver=0x27497f0, event=0x7fff98ea2df0) at ../../kdeui/kernel/kapplication.cpp:311
#103 0x00007f3d57bed4dd in QCoreApplication::notifyInternal (this=0x7fff98ea3570, receiver=receiver@entry=0x27497f0, event=event@entry=0x7fff98ea2df0) at kernel/qcoreapplication.cpp:953
#104 0x00007f3d56f8cd93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#105 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x27497f0, event=event@entry=0x7fff98ea2df0, alienWidget=alienWidget@entry=0x0, nativeWidget=nativeWidget@entry=0x27497f0, buttonDown=buttonDown@entry=0x7f3d57a6c318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#106 0x00007f3d570019cb in QETWidget::translateMouseEvent (this=this@entry=0x27497f0, event=event@entry=0x7fff98ea3180) at kernel/qapplication_x11.cpp:4634
#107 0x00007f3d57001269 in QApplication::x11ProcessEvent (this=0x7fff98ea3570, event=event@entry=0x7fff98ea3180) at kernel/qapplication_x11.cpp:3627
#108 0x00007f3d57029470 in QEventDispatcherX11::processEvents (this=0x16dfaf0, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#109 0x00007f3d57bec0af in QEventLoop::processEvents (this=this@entry=0x7fff98ea33e0, flags=...) at kernel/qeventloop.cpp:149
#110 0x00007f3d57bec3a5 in QEventLoop::exec (this=this@entry=0x7fff98ea33e0, flags=...) at kernel/qeventloop.cpp:204
#111 0x00007f3d57bf1b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#112 0x00007f3d56f8537c in QApplication::exec () at kernel/qapplication.cpp:3828
#113 0x00007f3d5db75906 in kdemain (argc=3, argv=0x7fff98ea36b8) at ../../kwin/main.cpp:597
#114 0x00007f3d5d755ec5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=3, argv=0x7fff98ea36b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff98ea36a8) at libc-start.c:287
#115 0x00000000004006fe in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 334152.

Possible duplicates by query: bug 335215, bug 334539, bug 334152.

Reported using DrKonqi