Bug 307104

Application: krunner (0.1)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-30-generic-pae i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
Krunner crashes after I've changed settings and clicked on the krunner icon

-- Backtrace:
Application: Interface d'exécution de commandes (krunner), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1a5b740 (LWP 1750))]

Thread 3 (Thread 0xaf379b40 (LWP 1811)):
#0  0xb7749424 in __kernel_vsyscall ()
#1  0xb761a380 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2db9a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2dac0ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2dac201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5cb28e7 in QEventDispatcherGlib::processEvents (this=0xaea00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5c7e50d in QEventLoop::processEvents (this=0xaf379240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5c7e7a9 in QEventLoop::exec (this=0xaf379240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5b6794c in QThread::exec (this=0x9c3c950) at thread/qthread.cpp:501
#9  0xb5c5bb5d in QInotifyFileSystemWatcherEngine::run (this=0x9c3c950) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5b6ade0 in QThreadPrivate::start (arg=0x9c3c950) at thread/qthread_unix.cpp:298
#11 0xb2e7dd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb7628ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa908eb40 (LWP 1822)):
#0  0xb7636611 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#1  0xb2deb410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2dabf9f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2dac201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5cb28e7 in QEventDispatcherGlib::processEvents (this=0xa8700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb5c7e50d in QEventLoop::processEvents (this=0xa908e240, flags=...) at kernel/qeventloop.cpp:149
#6  0xb5c7e7a9 in QEventLoop::exec (this=0xa908e240, flags=...) at kernel/qeventloop.cpp:204
#7  0xb5b6794c in QThread::exec (this=0xa10bbd0) at thread/qthread.cpp:501
#8  0xb5c5bb5d in QInotifyFileSystemWatcherEngine::run (this=0xa10bbd0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0xb5b6ade0 in QThreadPrivate::start (arg=0xa10bbd0) at thread/qthread_unix.cpp:298
#10 0xb2e7dd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0xb7628ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1a5b740 (LWP 1750)):
[KCrash Handler]
#7  isWidgetType (this=0x0) at ../../include/QtCore/../../src/corelib/kernel/qobject.h:146
#8  QWidget::ensurePolished (this=0xa125770) at kernel/qwidget.cpp:9705
#9  0xb6248f1d in QWidgetPrivate::show_recursive (this=0xa126a10) at kernel/qwidget.cpp:7401
#10 0xb6249069 in QWidgetPrivate::showChildren (this=0x9d77ee0, spontaneous=false) at kernel/qwidget.cpp:7850
#11 0xb6249180 in QWidgetPrivate::show_helper (this=0x9d77ee0) at kernel/qwidget.cpp:7489
#12 0xb62495c1 in QWidget::setVisible (this=0x9d77de0, visible=true) at kernel/qwidget.cpp:7764
#13 0xb77130e1 in show (this=0x9d77de0) at /usr/include/qt4/QtGui/qwidget.h:494
#14 KRunnerDialog::positionOnScreen (this=0x9d77de0) at ../../krunner/krunnerdialog.cpp:165
#15 0xb7719b7b in Interface::display (this=0x9d77de0, term=...) at ../../krunner/interfaces/default/interface.cpp:371
#16 0xb77164e6 in display (this=0x9c2d068) at ../../krunner/krunnerapp.cpp:278
#17 KRunnerApp::display (this=0x9c2d068) at ../../krunner/krunnerapp.cpp:271
#18 0xb7717f70 in qt_static_metacall (_a=0xbfc7b040, _id=12, _o=0x9c2d068, _c=<optimized out>) at ./krunnerapp.moc:92
#19 KRunnerApp::qt_static_metacall (_o=0x9c2d068, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbfc7b040) at ./krunnerapp.moc:73
#20 0xb5c966b1 in QMetaObject::activate (sender=0x9d73510, m=0xb60a6b58, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#21 0xb5e709d5 in KCoreConfigSkeleton::configChanged (this=0x9d73510) at ./kcoreconfigskeleton.moc:98
#22 0xb5e70b33 in KCoreConfigSkeleton::writeConfig (this=0x9d73510) at ../../kdecore/config/kcoreconfigskeleton.cpp:1088
#23 0xb771a8a4 in Interface::~Interface (this=0xa3df958, __in_chrg=<optimized out>) at ../../krunner/interfaces/default/interface.cpp:329
#24 0xb771aa32 in Interface::~Interface (this=0xa3df958, __in_chrg=<optimized out>) at ../../krunner/interfaces/default/interface.cpp:336
#25 0xb5c94d11 in QObjectPrivate::deleteChildren (this=0xa126a10) at kernel/qobject.cpp:1908
#26 0xb624017c in QWidget::~QWidget (this=0xa125770, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#27 0xb771448c in KRunnerConfigWidget::~KRunnerConfigWidget (this=0xa125770, __in_chrg=<optimized out>) at ../../krunner/configdialog.cpp:100
#28 0xb77144d2 in KRunnerConfigWidget::~KRunnerConfigWidget (this=0xa125770, __in_chrg=<optimized out>) at ../../krunner/configdialog.cpp:102
#29 0xb7711da6 in KRunnerDialog::hideEvent (this=0x9d77de0) at ../../krunner/krunnerdialog.cpp:354
#30 0xb7719b32 in Interface::hideEvent (this=0x9d77de0, e=0xbfc7b784) at ../../krunner/interfaces/default/interface.cpp:459
#31 0xb624667a in QWidget::event (this=0x9d77de0, event=0xbfc7b784) at kernel/qwidget.cpp:8573
#32 0xb61ebed4 in notify_helper (e=0xbfc7b784, receiver=0x9d77de0, this=0x9c41c68) at kernel/qapplication.cpp:4559
#33 QApplicationPrivate::notify_helper (this=0x9c41c68, receiver=0x9d77de0, e=0xbfc7b784) at kernel/qapplication.cpp:4531
#34 0xb61f13a2 in QApplication::notify (this=0x9c41c68, receiver=0x9d77de0, e=0xbfc7b784) at kernel/qapplication.cpp:4524
#35 0xb6f46e01 in KApplication::notify (this=0x9c2d068, receiver=0x9d77de0, event=0xbfc7b784) at ../../kdeui/kernel/kapplication.cpp:311
#36 0xb5c7f97e in QCoreApplication::notifyInternal (this=0x9c2d068, receiver=0x9d77de0, event=0xbfc7b784) at kernel/qcoreapplication.cpp:876
#37 0xb6247562 in sendEvent (event=0xbfc7b784, receiver=0x9d77de0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#38 QWidgetPrivate::hide_helper (this=0x9d77ee0) at kernel/qwidget.cpp:7628
#39 0xb62497f0 in QWidget::setVisible (this=0x9d77de0, visible=false) at kernel/qwidget.cpp:7801
#40 0xb623fbe0 in hide (this=<optimized out>) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:498
#41 QWidgetPrivate::close_helper (this=0x9d77ee0, mode=QWidgetPrivate::CloseWithEvent) at kernel/qwidget.cpp:7936
#42 0xb623fd56 in QWidget::close (this=0x9d77de0) at kernel/qwidget.cpp:7997
#43 0xb7719aea in Interface::resetAndClose (this=0x9d77de0) at ../../krunner/interfaces/default/interface.cpp:516
#44 0xb771c8d8 in qt_static_metacall (_a=0xbfc7b9b8, _id=16, _o=0x9d77de0, _c=<optimized out>) at ./interface.moc:93
#45 Interface::qt_static_metacall (_o=0x9d77de0, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbfc7b9b8) at ./interface.moc:71
#46 0xb5c966b1 in QMetaObject::activate (sender=0x9d7eff0, m=0xb6b633f8, local_signal_index=1, argv=0xbfc7b9b8) at kernel/qobject.cpp:3547
#47 0xb61e49bd in QAction::triggered (this=0x9d7eff0, _t1=false) at .moc/release-shared/moc_qaction.cpp:277
#48 0xb61e4c5b in QAction::activate (this=0x9d7eff0, event=QAction::Trigger) at kernel/qaction.cpp:1257
#49 0xb66f1410 in trigger (this=<optimized out>) at ../../include/QtGui/../../src/gui/kernel/qaction.h:218
#50 QToolButton::nextCheckState (this=0x9e30820) at widgets/qtoolbutton.cpp:1144
#51 0xb6618c57 in QAbstractButtonPrivate::click (this=0x9e311e0) at widgets/qabstractbutton.cpp:530
#52 0xb6618f56 in QAbstractButton::mouseReleaseEvent (this=0x9e30820, e=0xbfc7c0b4) at widgets/qabstractbutton.cpp:1123
#53 0xb66f14ad in QToolButton::mouseReleaseEvent (this=0x9e30820, e=0xbfc7c0b4) at widgets/qtoolbutton.cpp:718
#54 0xb62461ac in QWidget::event (this=0x9e30820, event=0xbfc7c0b4) at kernel/qwidget.cpp:8362
#55 0xb66181f9 in QAbstractButton::event (this=0x9e30820, e=0xbfc7c0b4) at widgets/qabstractbutton.cpp:1082
#56 0xb66f2bdc in QToolButton::event (this=0x9e30820, event=0xbfc7c0b4) at widgets/qtoolbutton.cpp:1160
#57 0xb61ebed4 in notify_helper (e=0xbfc7c0b4, receiver=0x9e30820, this=0x9c41c68) at kernel/qapplication.cpp:4559
#58 QApplicationPrivate::notify_helper (this=0x9c41c68, receiver=0x9e30820, e=0xbfc7c0b4) at kernel/qapplication.cpp:4531
#59 0xb61f2024 in QApplication::notify (this=0x9c41c68, receiver=0x9e30820, e=0xbfc7c0b4) at kernel/qapplication.cpp:4102
#60 0xb6f46e01 in KApplication::notify (this=0x9c2d068, receiver=0x9e30820, event=0xbfc7c0b4) at ../../kdeui/kernel/kapplication.cpp:311
#61 0xb5c7f97e in QCoreApplication::notifyInternal (this=0x9c2d068, receiver=0x9e30820, event=0xbfc7c0b4) at kernel/qcoreapplication.cpp:876
#62 0xb61ece95 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#63 QApplicationPrivate::sendMouseEvent (receiver=0x9e30820, event=0xbfc7c0b4, alienWidget=0x9e30820, nativeWidget=0x9de9158, buttonDown=0xb6b80cf4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#64 0xb6279074 in QETWidget::translateMouseEvent (this=0x9de9158, event=0xbfc7c56c) at kernel/qapplication_x11.cpp:4617
#65 0xb6277c0d in QApplication::x11ProcessEvent (this=0x9c2d068, event=0xbfc7c56c) at kernel/qapplication_x11.cpp:3732
#66 0xb62a4eac in x11EventSourceDispatch (s=0x9c41600, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#67 0xb2dabd86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#68 0xb2dac125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#69 0xb2dac201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#70 0xb5cb2887 in QEventDispatcherGlib::processEvents (this=0x9c0beb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#71 0xb62a4aaa in QGuiEventDispatcherGlib::processEvents (this=0x9c0beb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0xb5c7e50d in QEventLoop::processEvents (this=0xbfc7c864, flags=...) at kernel/qeventloop.cpp:149
#73 0xb5c7e7a9 in QEventLoop::exec (this=0xbfc7c864, flags=...) at kernel/qeventloop.cpp:204
#74 0xb5c83eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#75 0xb61e9a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#76 0xb77185b6 in kdemain (argc=1, argv=0xbfc7ca14) at ../../krunner/main.cpp:66
#77 0x0804850b in main (argc=1, argv=0xbfc7ca14) at krunner_dummy.cpp:3

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

Possible duplicates by query: bug 277820, bug 275572, bug 257996, bug 254980.

Reported using DrKonqi