Application: kded4 ($Id$)
KDE Platform Version: 4.8.5 (4.8.5) (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-34-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed: Running the action to generate the pass phrase

- Unusual behavior I noticed: Screen flickering (happens periodically but frequently)

The crash can be reproduced every time.

-- Backtrace:
Application: KDE Daemon (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb560f740 (LWP 3321))]

Thread 3 (Thread 0xaeef6b40 (LWP 3426)):
#0  0xb5901b34 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb5902042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb590256b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xaefe51ba in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#4  0xb59256b3 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb59c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb5f3bd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xae4ffb40 (LWP 3497)):
#0  0xb59cadc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5f49864 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb59413d0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb5901b85 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5902042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5902201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb6d5e8e7 in QEventDispatcherGlib::processEvents (this=0xadb00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb6d2a50d in QEventLoop::processEvents (this=0xae4ff240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb6d2a7a9 in QEventLoop::exec (this=0xae4ff240, flags=...) at kernel/qeventloop.cpp:204
#9  0xb6c1394c in QThread::exec (this=0x8c3a308) at thread/qthread.cpp:501
#10 0xb6d07b5d in QInotifyFileSystemWatcherEngine::run (this=0x8c3a308) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb6c16de0 in QThreadPrivate::start (arg=0x8c3a308) at thread/qthread_unix.cpp:298
#12 0xb59c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb5f3bd3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb560f740 (LWP 3321)):
[KCrash Handler]
#7  findNode (akey=..., this=0x8adff74) at /usr/include/qt4/QtCore/qmap.h:483
#8  contains (akey=..., this=0x8adff74) at /usr/include/qt4/QtCore/qmap.h:552
#9  Hook::getField (this=0x8adff68, name=...) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/src/daemon/hookevent/hook.cpp:76
#10 0xadc0b0c8 in Hook::runCommand (this=0x8adff68) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/src/daemon/hookevent/hook.cpp:111
#11 0xadc096fb in HookGui::runCommand (this=0x924a6e8, obj=0x902bef0) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/src/daemon/hookevent/hookgui.cpp:135
#12 0xadc0a285 in HookGui::qt_metacall (this=0x924a6e8, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfdf3848) at /build/buildd/kubuntu-notification-helper-11.10ubuntu1/obj-i686-linux-gnu/src/daemon/hookgui.moc:82
#13 0xb6d32c9d in metacall (argv=0xbfdf3848, idx=8, cl=QMetaObject::InvokeMetaMethod, object=0x924a6e8) at kernel/qmetaobject.cpp:245
#14 QMetaObject::metacall (object=0x924a6e8, cl=QMetaObject::InvokeMetaMethod, idx=8, argv=0xbfdf3848) at kernel/qmetaobject.cpp:240
#15 0xb6d429bd in QMetaObject::activate (sender=0x8d6b210, m=0xb6e87e58, local_signal_index=3, argv=0xbfdf3848) at kernel/qobject.cpp:3566
#16 0xb6d49e95 in QSignalMapper::mapped (this=0x8d6b210, _t1=0x902bef0) at .moc/release-shared/moc_qsignalmapper.cpp:136
#17 0xb6d49fb5 in QSignalMapper::map (this=0x8d6b210, sender=0x9187258) at kernel/qsignalmapper.cpp:272
#18 0xb6d4a0ae in QSignalMapper::map (this=0x8d6b210) at kernel/qsignalmapper.cpp:257
#19 0xb6d4a190 in qt_static_metacall (_a=0xbfdf39c8, _id=4, _o=0x8d6b210, _c=<optimized out>) at .moc/release-shared/moc_qsignalmapper.cpp:64
#20 QSignalMapper::qt_static_metacall (_o=0x8d6b210, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfdf39c8) at .moc/release-shared/moc_qsignalmapper.cpp:54
#21 0xb6d426b1 in QMetaObject::activate (sender=0x9187258, m=0xb6ba27c8, local_signal_index=2, argv=0xbfdf39c8) at kernel/qobject.cpp:3547
#22 0xb694e97d in QAbstractButton::clicked (this=0x9187258, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#23 0xb664262d in QAbstractButtonPrivate::emitClicked (this=0x9261f00) at widgets/qabstractbutton.cpp:548
#24 0xb6643c9b in QAbstractButtonPrivate::click (this=0x9261f00) at widgets/qabstractbutton.cpp:541
#25 0xb6643f56 in QAbstractButton::mouseReleaseEvent (this=0x9187258, e=0xbfdf4094) at widgets/qabstractbutton.cpp:1123
#26 0xb62711ac in QWidget::event (this=0x9187258, event=0xbfdf4094) at kernel/qwidget.cpp:8362
#27 0xb66431f9 in QAbstractButton::event (this=0x9187258, e=0xbfdf4094) at widgets/qabstractbutton.cpp:1082
#28 0xb66e6768 in QPushButton::event (this=0x9187258, e=0xbfdf4094) at widgets/qpushbutton.cpp:683
#29 0xb6216ed4 in notify_helper (e=0xbfdf4094, receiver=0x9187258, this=0x8afece8) at kernel/qapplication.cpp:4559
#30 QApplicationPrivate::notify_helper (this=0x8afece8, receiver=0x9187258, e=0xbfdf4094) at kernel/qapplication.cpp:4531
#31 0xb621d024 in QApplication::notify (this=0x8afece8, receiver=0x9187258, e=0xbfdf4094) at kernel/qapplication.cpp:4102
#32 0xb747ee01 in KApplication::notify (this=0xbfdf48e0, receiver=0x9187258, event=0xbfdf4094) at ../../kdeui/kernel/kapplication.cpp:311
#33 0xb6d2b97e in QCoreApplication::notifyInternal (this=0xbfdf48e0, receiver=0x9187258, event=0xbfdf4094) at kernel/qcoreapplication.cpp:876
#34 0xb6217e95 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#35 QApplicationPrivate::sendMouseEvent (receiver=0x9187258, event=0xbfdf4094, alienWidget=0x9187258, nativeWidget=0x8d647e0, buttonDown=0xb6babcf4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#36 0xb62a4074 in QETWidget::translateMouseEvent (this=0x8d647e0, event=0xbfdf454c) at kernel/qapplication_x11.cpp:4617
#37 0xb62a2c0d in QApplication::x11ProcessEvent (this=0xbfdf48e0, event=0xbfdf454c) at kernel/qapplication_x11.cpp:3732
#38 0xb62cfeac in x11EventSourceDispatch (s=0x8b01440, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#39 0xb5901d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#40 0xb5902125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0xb5902201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0xb6d5e887 in QEventDispatcherGlib::processEvents (this=0x8a8ed98, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#43 0xb62cfaaa in QGuiEventDispatcherGlib::processEvents (this=0x8a8ed98, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#44 0xb6d2a50d in QEventLoop::processEvents (this=0xbfdf4844, flags=...) at kernel/qeventloop.cpp:149
#45 0xb6d2a7a9 in QEventLoop::exec (this=0xbfdf4844, flags=...) at kernel/qeventloop.cpp:204
#46 0xb6d2feba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#47 0xb6214a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#48 0xb059b959 in kdemain (argc=1, argv=0x8adf798) at ../../kded/kded.cpp:924
#49 0x0804f8a4 in launch (argc=<optimized out>, _name=0x8052607 "kded4", args=<optimized out>, cwd=0x0, envc=0, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x805248e "0") at ../../kinit/kinit.cpp:746
#50 0x0804c9df in main (argc=<error reading variable: Cannot access memory at address 0x64>, argv=<error reading variable: Cannot access memory at address 0x68>, envp=<error reading variable: Cannot access memory at address 0x6c>) at ../../kinit/kinit.cpp:1861

Possible duplicates by query: bug 232304.

Reported using DrKonqi