Application: muon-discover (2.0.65)
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: Installed Firefox, then attempt to exit, got the crash handler window..

-- Backtrace:
Application: Muon Discover (muon-discover), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1582740 (LWP 1806))]

Thread 7 (Thread 0xaeebab40 (LWP 1807)):
#0  0xb77cf424 in __kernel_vsyscall ()
#1  0xb25e984b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb5b089bc in __pthread_cond_wait (cond=0xb369b8d0, mutex=0xb369b8b8) at forward.c:149
#3  0xb3598ef2 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3598f3f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb25e5d78 in start_thread (arg=0xaeebab40) at pthread_create.c:311
#6  0xb5afb01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 6 (Thread 0xae0bcb40 (LWP 1808)):
#0  0xb77cf424 in __kernel_vsyscall ()
#1  0xb5aeba0b in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb2516a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2507b58 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2507c98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5e4b8df in QEventDispatcherGlib::processEvents (this=0xad700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5e1a9f3 in QEventLoop::processEvents (this=this@entry=0xae0bc228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5e1ad19 in QEventLoop::exec (this=this@entry=0xae0bc228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5d09e3d in QThread::exec (this=this@entry=0x9ba2378) at thread/qthread.cpp:542
#9  0xb5dfae14 in QInotifyFileSystemWatcherEngine::run (this=0x9ba2378) at io/qfilesystemwatcher_inotify.cpp:265
#10 0xb5d0c72f in QThreadPrivate::start (arg=0x9ba2378) at thread/qthread_unix.cpp:338
#11 0xb25e5d78 in start_thread (arg=0xae0bcb40) at pthread_create.c:311
#12 0xb5afb01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 5 (Thread 0xa855fb40 (LWP 1809)):
#0  0xb25e8c34 in __pthread_mutex_unlock_usercnt (mutex=0xa7c00558, decr=1) at pthread_mutex_unlock.c:52
#1  0xb5b08c04 in pthread_mutex_unlock (mutex=0xa7c00558) at forward.c:194
#2  0xb254abe0 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb250711e in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2507a4f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2507c98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb5e4b8df in QEventDispatcherGlib::processEvents (this=0xa7c00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb5e1a9f3 in QEventLoop::processEvents (this=this@entry=0xa855f258, flags=...) at kernel/qeventloop.cpp:149
#8  0xb5e1ad19 in QEventLoop::exec (this=this@entry=0xa855f258, flags=...) at kernel/qeventloop.cpp:204
#9  0xb5d09e3d in QThread::exec (this=this@entry=0xa0fd580) at thread/qthread.cpp:542
#10 0xb5d09f8b in QThread::run (this=0xa0fd580) at thread/qthread.cpp:609
#11 0xb5d0c72f in QThreadPrivate::start (arg=0xa0fd580) at thread/qthread_unix.cpp:338
#12 0xb25e5d78 in start_thread (arg=0xa855fb40) at pthread_create.c:311
#13 0xb5afb01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 4 (Thread 0xa79b7b40 (LWP 1810)):
#0  0xb254a85e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb254abd8 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2507572 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2507aea in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2507c98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5e4b8df in QEventDispatcherGlib::processEvents (this=0xa7000468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5e1a9f3 in QEventLoop::processEvents (this=this@entry=0xa79b7258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5e1ad19 in QEventLoop::exec (this=this@entry=0xa79b7258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5d09e3d in QThread::exec (this=this@entry=0xa155968) at thread/qthread.cpp:542
#9  0xb5d09f8b in QThread::run (this=0xa155968) at thread/qthread.cpp:609
#10 0xb5d0c72f in QThreadPrivate::start (arg=0xa155968) at thread/qthread_unix.cpp:338
#11 0xb25e5d78 in start_thread (arg=0xa79b7b40) at pthread_create.c:311
#12 0xb5afb01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 3 (Thread 0xa0bffb40 (LWP 1926)):
#0  0xb254aa91 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb254b0e8 in g_private_get () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb252e1ae in g_thread_self () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2507c86 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5e4b8df in QEventDispatcherGlib::processEvents (this=0xad702330, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb5e1a9f3 in QEventLoop::processEvents (this=this@entry=0xa0bff248, flags=...) at kernel/qeventloop.cpp:149
#6  0xb5e1ad19 in QEventLoop::exec (this=this@entry=0xa0bff248, flags=...) at kernel/qeventloop.cpp:204
#7  0xb5d09e3d in QThread::exec (this=this@entry=0xb3e11e8) at thread/qthread.cpp:542
#8  0xb71c5aee in QDeclarativePixmapReader::run (this=0xb3e11e8) at util/qdeclarativepixmapcache.cpp:576
#9  0xb5d0c72f in QThreadPrivate::start (arg=0xb3e11e8) at thread/qthread_unix.cpp:338
#10 0xb25e5d78 in start_thread (arg=0xa0bffb40) at pthread_create.c:311
#11 0xb5afb01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0xa03feb40 (LWP 1929)):
#0  0xb25e8c34 in __pthread_mutex_unlock_usercnt (mutex=0xb4724e0, decr=1) at pthread_mutex_unlock.c:52
#1  0xb5b08c04 in pthread_mutex_unlock (mutex=0xb4724e0) at forward.c:194
#2  0xb254abe0 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2507a3f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2507c98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5e4b8df in QEventDispatcherGlib::processEvents (this=0xa0d7600, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5e1a9f3 in QEventLoop::processEvents (this=this@entry=0xa03fe258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5e1ad19 in QEventLoop::exec (this=this@entry=0xa03fe258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5d09e3d in QThread::exec (this=this@entry=0xad704ad8) at thread/qthread.cpp:542
#9  0xb5d09f8b in QThread::run (this=0xad704ad8) at thread/qthread.cpp:609
#10 0xb5d0c72f in QThreadPrivate::start (arg=0xad704ad8) at thread/qthread_unix.cpp:338
#11 0xb25e5d78 in start_thread (arg=0xa03feb40) at pthread_create.c:311
#12 0xb5afb01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb1582740 (LWP 1806)):
[KCrash Handler]
#7  0xb70fce68 in vtable for KToolBar () from /usr/lib/libkdeui.so.5
#8  0xb731e9d9 in QDeclarativePropertyCache::property (engine=0x9b62810, obj=obj@entry=0x9bb8500, name=@0xbf91dd64: 0xae5f4160, local=...) at qml/qdeclarativepropertycache.cpp:430
#9  0xb7324e03 in QDeclarativeObjectScriptClass::queryProperty (this=this@entry=0x9b9fb70, obj=0x9bb8500, name=@0xbf91dd64: 0xae5f4160, flags=..., evalContext=evalContext@entry=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:175
#10 0xb7325051 in QDeclarativeObjectScriptClass::queryProperty (this=0x9b9fb70, object=0xa076570, name=@0xbf91dd64: 0xae5f4160, flags=...) at qml/qdeclarativeobjectscriptclass.cpp:155
#11 0xb3617c2e in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#12 0xb35ffc57 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#13 0xb34d9e12 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#14 0xae108a2b in ?? ()
#15 0xb3496ac2 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#16 0xb352e366 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#17 0xb3500427 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#18 0xb35f6b4a in QScriptValue::call(QScriptValue const&, QList<QScriptValue> const&) () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#19 0xb728ae8a in QDeclarativeQtScriptExpression::eval (this=this@entry=0x9d7256c, secondaryScope=secondaryScope@entry=0x9ddeec8, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:518
#20 0xb728d535 in QDeclarativeQtScriptExpression::scriptValue (this=this@entry=0x9d7256c, secondaryScope=0x9ddeec8, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:470
#21 0xb728d82a in QDeclarativeExpressionPrivate::scriptValue (this=0x9d72520, secondaryScope=secondaryScope@entry=0x9ddeec8, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:653
#22 0xb728d96f in QDeclarativeExpressionPrivate::value (this=0x9d72520, secondaryScope=0x9ddeec8, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:667
#23 0xb72c887f in QDeclarativeBoundSignal::qt_metacall (this=0x9be18e8, c=QMetaObject::InvokeMetaMethod, id=5, a=0xbf91e314) at qml/qdeclarativeboundsignal.cpp:199
#24 0xb5e22e35 in QMetaObject::metacall (object=object@entry=0x9be18e8, cl=cl@entry=QMetaObject::InvokeMetaMethod, idx=5, argv=0xbf91e314) at kernel/qmetaobject.cpp:245
#25 0xb5e312dd in QMetaObject::activate (sender=sender@entry=0x9bd8f50, m=0x806d9a0 <KAction::staticMetaObject>, m@entry=0xb70ee860 <KAction::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0xbf91e314) at kernel/qobject.cpp:3558
#26 0xb6dd6f4d in KAction::triggered (this=0x9bd8f50, _t1=..., _t2=...) at ./kaction.moc:164
#27 0xb6dd6ffc in KActionPrivate::slotTriggered (this=0x9be07a8) at ../../kdeui/actions/kaction.cpp:72
#28 0xb6dd7167 in KAction::qt_static_metacall (_o=_o@entry=0x9bd8f50, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbf91e468) at ./kaction.moc:80
#29 0xb5e30fc7 in QMetaObject::activate (sender=sender@entry=0x9bd8f50, m=m@entry=0xb6cd0718 <QAction::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0xbf91e468) at kernel/qobject.cpp:3539
#30 0xb637167d in QAction::triggered (this=this@entry=0x9bd8f50, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#31 0xb6373274 in QAction::activate (this=0x9bd8f50, event=event@entry=QAction::Trigger) at kernel/qaction.cpp:1257
#32 0xb6860d40 in trigger (this=<optimized out>) at ../../include/QtGui/../../src/gui/kernel/qaction.h:218
#33 QToolButton::nextCheckState (this=0xb99ab10) at widgets/qtoolbutton.cpp:1144
#34 0xb678f6c3 in QAbstractButtonPrivate::click (this=this@entry=0xaaa66d0) at widgets/qabstractbutton.cpp:530
#35 0xb678f80e in QAbstractButton::mouseReleaseEvent (this=this@entry=0xb99ab10, e=e@entry=0xbf91e984) at widgets/qabstractbutton.cpp:1123
#36 0xb6860cb7 in QToolButton::mouseReleaseEvent (this=0xb99ab10, e=0xbf91e984) at widgets/qtoolbutton.cpp:718
#37 0xb63d21aa in QWidget::event (this=this@entry=0xb99ab10, event=event@entry=0xbf91e984) at kernel/qwidget.cpp:8375
#38 0xb6790812 in QAbstractButton::event (this=this@entry=0xb99ab10, e=e@entry=0xbf91e984) at widgets/qabstractbutton.cpp:1082
#39 0xb6860da4 in QToolButton::event (this=0xb99ab10, event=0xbf91e984) at widgets/qtoolbutton.cpp:1160
#40 0xb6378744 in QApplicationPrivate::notify_helper (this=0x9a6d9b0, receiver=receiver@entry=0xb99ab10, e=0xbf91e984) at kernel/qapplication.cpp:4567
#41 0xb6380df8 in QApplication::notify (this=0xbf91ef10, receiver=receiver@entry=0xb99ab10, e=e@entry=0xbf91e984) at kernel/qapplication.cpp:4110
#42 0xb6ec5ff4 in KApplication::notify (this=0xbf91ef10, receiver=0xb99ab10, event=0xbf91e984) at ../../kdeui/kernel/kapplication.cpp:311
#43 0xb5e1beda in QCoreApplication::notifyInternal (this=0xbf91ef10, receiver=receiver@entry=0xb99ab10, event=event@entry=0xbf91e984) at kernel/qcoreapplication.cpp:946
#44 0xb637eaa3 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#45 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0xb99ab10, event=0xbf91e984, alienWidget=0xb99ab10, nativeWidget=0xa222608, buttonDown=buttonDown@entry=0xb6cedcc4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#46 0xb64024e8 in QETWidget::translateMouseEvent (this=0xa222608, event=event@entry=0xbf91ebac) at kernel/qapplication_x11.cpp:4631
#47 0xb6401c05 in QApplication::x11ProcessEvent (this=0xbf91ef10, event=event@entry=0xbf91ebac) at kernel/qapplication_x11.cpp:3624
#48 0xb642d274 in x11EventSourceDispatch (s=0x9a6e1a8, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#49 0xb250782e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#50 0xb2507bd8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#51 0xb2507c98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#52 0xb5e4b8bf in QEventDispatcherGlib::processEvents (this=this@entry=0x9a3aec0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#53 0xb642d32e in QGuiEventDispatcherGlib::processEvents (this=0x9a3aec0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#54 0xb5e1a9f3 in QEventLoop::processEvents (this=this@entry=0xbf91ee68, flags=...) at kernel/qeventloop.cpp:149
#55 0xb5e1ad19 in QEventLoop::exec (this=this@entry=0xbf91ee68, flags=...) at kernel/qeventloop.cpp:204
#56 0xb5e2089e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#57 0xb6376974 in QApplication::exec () at kernel/qapplication.cpp:3828
#58 0x08050dbb in main (argc=2, argv=0xbf91eff4) at /build/buildd/muon-2.0.65+git20131008/discover/main.cpp:86

Reported using DrKonqi