Bug 317116

Application: krunner (0.1)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.0-13-generic x86_64
Distribution: Ubuntu Raring Ringtail (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
alt+f2 to open krunner
click settings button
click user interface
change something
click apply
click the system monitor button
crash. 

Happens everytime.

-- Backtrace:
Application: Run Command Interface (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f534c5387c0 (LWP 1983))]

Thread 3 (Thread 0x7f5331227700 (LWP 2006)):
#0  0x00007f5340ec540d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5340ec7b77 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5340ec80f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5340ec8284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5348c75026 in QEventDispatcherGlib::processEvents (this=0x7f532c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f5348c4537f in QEventLoop::processEvents (this=this@entry=0x7f5331226d90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f5348c45608 in QEventLoop::exec (this=0x7f5331226d90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f5348b47410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f5348c26ecf in QInotifyFileSystemWatcherEngine::run (this=0xac35e0) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007f5348b49bec in QThreadPrivate::start (arg=0xac35e0) at thread/qthread_unix.cpp:338
#10 0x00007f534139af8e in start_thread (arg=0x7f5331227700) at pthread_create.c:311
#11 0x00007f534be48e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f5321e3d700 (LWP 4195)):
#0  0x00007f5340e98d80 in pthread_mutex_unlock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f5340f078b1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5340ec7ab9 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5340ec80cc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5340ec8284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5348c75026 in QEventDispatcherGlib::processEvents (this=0x7f531c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f5348c4537f in QEventLoop::processEvents (this=this@entry=0x7f5321e3cd90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f5348c45608 in QEventLoop::exec (this=0x7f5321e3cd90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f5348b47410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f5348c26ecf in QInotifyFileSystemWatcherEngine::run (this=0xd61110) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f5348b49bec in QThreadPrivate::start (arg=0xd61110) at thread/qthread_unix.cpp:338
#11 0x00007f534139af8e in start_thread (arg=0x7f5321e3d700) at pthread_create.c:311
#12 0x00007f534be48e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f534c5387c0 (LWP 1983)):
[KCrash Handler]
#6  isWidgetType (this=0x0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:146
#7  QWidget::ensurePolished (this=this@entry=0xf5faa0) at kernel/qwidget.cpp:9729
#8  0x00007f53496806a6 in QWidgetPrivate::show_recursive (this=0xfe14d0) at kernel/qwidget.cpp:7414
#9  0x00007f534968082a in QWidgetPrivate::showChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7863
#10 0x00007f534967febd in QWidgetPrivate::show_helper (this=this@entry=0xb05010) at kernel/qwidget.cpp:7502
#11 0x00007f53496802a2 in QWidget::setVisible (this=0xbaa950, visible=<optimized out>) at kernel/qwidget.cpp:7777
#12 0x00007f534c13a3e8 in show (this=0xbaa950) at /usr/include/qt4/QtGui/qwidget.h:494
#13 KRunnerDialog::positionOnScreen (this=0xbaa950) at ../../krunner/krunnerdialog.cpp:143
#14 0x00007f534c13f41a in Interface::display (this=0xbaa950, term=...) at ../../krunner/interfaces/default/interface.cpp:370
#15 0x00007f534c13cd83 in display (this=0x92d340) at ../../krunner/krunnerapp.cpp:267
#16 KRunnerApp::display (this=0x92d340) at ../../krunner/krunnerapp.cpp:260
#17 0x00007f534c13e2e5 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./krunnerapp.moc:92
#18 KRunnerApp::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./krunnerapp.moc:73
#19 0x00007f5348c5b0df in QMetaObject::activate (sender=0xabfda0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#20 0x00007f534905f58c in KCoreConfigSkeleton::writeConfig (this=0xabfda0) at ../../kdecore/config/kcoreconfigskeleton.cpp:1088
#21 0x00007f534c141ab9 in Interface::~Interface (this=0x1317d50, __in_chrg=<optimized out>) at ../../krunner/interfaces/default/interface.cpp:328
#22 0x00007f534c141c19 in Interface::~Interface (this=0x1317d50, __in_chrg=<optimized out>) at ../../krunner/interfaces/default/interface.cpp:335
#23 0x00007f5348c59222 in QObjectPrivate::deleteChildren (this=0xfe14d0) at kernel/qobject.cpp:1907
#24 0x00007f534967d6dc in QWidget::~QWidget (this=0xf5faa0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1681
#25 0x00007f534c13b619 in KRunnerConfigWidget::~KRunnerConfigWidget (this=0xf5faa0, __in_chrg=<optimized out>) at ../../krunner/configdialog.cpp:100
#26 0x00007f534c139625 in KRunnerDialog::hideEvent (this=0xbaa950) at ../../krunner/krunnerdialog.cpp:354
#27 0x00007f534967cc87 in QWidget::event (this=0xbaa950, event=0x7fffd012c900) at kernel/qwidget.cpp:8597
#28 0x00007f534962f8ec in QApplicationPrivate::notify_helper (this=this@entry=0x93d5f0, receiver=receiver@entry=0xbaa950, e=e@entry=0x7fffd012c900) at kernel/qapplication.cpp:4567
#29 0x00007f534963225b in QApplication::notify (this=0x92d340, receiver=0xbaa950, e=0x7fffd012c900) at kernel/qapplication.cpp:4428
#30 0x00007f534af14af6 in KApplication::notify (this=0x92d340, receiver=0xbaa950, event=0x7fffd012c900) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007f5348c4662e in QCoreApplication::notifyInternal (this=0x92d340, receiver=0xbaa950, event=0x7fffd012c900) at kernel/qcoreapplication.cpp:946
#32 0x00007f534967dcdb in sendEvent (event=0x7fffd012c900, receiver=0xbaa950) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#33 QWidgetPrivate::hide_helper (this=this@entry=0xb05010) at kernel/qwidget.cpp:7641
#34 0x00007f5349680488 in QWidget::setVisible (this=0xbaa950, visible=<optimized out>) at kernel/qwidget.cpp:7814
#35 0x00007f534967be7b in hide (this=0xbaa950) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:498
#36 QWidgetPrivate::close_helper (this=0xb05010, mode=QWidgetPrivate::CloseWithEvent) at kernel/qwidget.cpp:7949
#37 0x00007f534c140c55 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./interface.moc:93
#38 Interface::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./interface.moc:71
#39 0x00007f5348c5b0df in QMetaObject::activate (sender=0xaca630, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffd012cb90) at kernel/qobject.cpp:3539
#40 0x00007f5349629152 in QAction::triggered (this=this@entry=0xaca630, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#41 0x00007f534962a580 in QAction::activate (this=0xaca630, event=<optimized out>) at kernel/qaction.cpp:1257
#42 0x00007f53499eea9f in QAbstractButtonPrivate::click (this=this@entry=0xbf6d30) at widgets/qabstractbutton.cpp:530
#43 0x00007f53499eed4c in QAbstractButton::mouseReleaseEvent (this=0xb48460, e=0x7fffd012d440) at widgets/qabstractbutton.cpp:1123
#44 0x00007f5349aab82a in QToolButton::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:718
#45 0x00007f534967ca89 in QWidget::event (this=0xb48460, event=0x7fffd012d440) at kernel/qwidget.cpp:8375
#46 0x00007f534962f8ec in QApplicationPrivate::notify_helper (this=this@entry=0x93d5f0, receiver=receiver@entry=0xb48460, e=e@entry=0x7fffd012d440) at kernel/qapplication.cpp:4567
#47 0x00007f5349632a33 in QApplication::notify (this=<optimized out>, receiver=0xb48460, e=0x7fffd012d440) at kernel/qapplication.cpp:4110
#48 0x00007f534af14af6 in KApplication::notify (this=0x92d340, receiver=0xb48460, event=0x7fffd012d440) at ../../kdeui/kernel/kapplication.cpp:311
#49 0x00007f5348c4662e in QCoreApplication::notifyInternal (this=0x92d340, receiver=0xb48460, event=0x7fffd012d440) at kernel/qcoreapplication.cpp:946
#50 0x00007f5349635933 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#51 QApplicationPrivate::sendMouseEvent (receiver=0xb48460, event=0x7fffd012d440, alienWidget=0xb48460, nativeWidget=0xa6ae00, buttonDown=0x7f534a10d308 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3178
#52 0x00007f53496aaec4 in QETWidget::translateMouseEvent (this=this@entry=0xa6ae00, event=event@entry=0x7fffd012dbc0) at kernel/qapplication_x11.cpp:4631
#53 0x00007f53496a9ef1 in QApplication::x11ProcessEvent (this=0x92d340, event=0x7fffd012dbc0) at kernel/qapplication_x11.cpp:3746
#54 0x00007f53496d50b2 in x11EventSourceDispatch (s=0x93cd50, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#55 0x00007f5340ec7e85 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007f5340ec81c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007f5340ec8284 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f5348c75026 in QEventDispatcherGlib::processEvents (this=0x8f6ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#59 0x00007f53496d51ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#60 0x00007f5348c4537f in QEventLoop::processEvents (this=this@entry=0x7fffd012df90, flags=...) at kernel/qeventloop.cpp:149
#61 0x00007f5348c45608 in QEventLoop::exec (this=0x7fffd012df90, flags=...) at kernel/qeventloop.cpp:204
#62 0x00007f5348c4ace6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#63 0x00007f534c13e7cf in kdemain (argc=1, argv=0x7fffd012e1d8) at ../../krunner/main.cpp:64
#64 0x00007f534bd70ea5 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=1, ubp_av=0x7fffd012e1d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd012e1c8) at libc-start.c:260
#65 0x0000000000400701 in _start ()

This bug may be a duplicate of or related to bug 257996.

Possible duplicates by query: bug 307104.

Reported using DrKonqi