Bug 287230

Application: dolphin (1.7)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.0-1.2-default i686
Distribution: "openSUSE 12.1 (i586)"

-- Information about the crash:
Everytime I select the option 'Show Menubar' in the settings menu it caused Dolphin to crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb58da710 (LWP 2796))]

Thread 2 (Thread 0xb0e87b70 (LWP 2798)):
#0  0xb61549f4 in poll () from /lib/libc.so.6
#1  0xb5b62f7b in g_poll () from /usr/lib/libglib-2.0.so.0
#2  0xb5b54466 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0xb5b547fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#4  0xb6f3c897 in QEventDispatcherGlib::processEvents (this=0x81e2500, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0xb6f0d44d in QEventLoop::processEvents (this=0xb0e872b0, flags=...) at kernel/qeventloop.cpp:149
#6  0xb6f0d691 in QEventLoop::exec (this=0xb0e872b0, flags=...) at kernel/qeventloop.cpp:201
#7  0xb6e1075b in QThread::exec (this=0x81cf110) at thread/qthread.cpp:498
#8  0xb6eee08d in QInotifyFileSystemWatcherEngine::run (this=0x81cf110) at io/qfilesystemwatcher_inotify.cpp:248
#9  0xb6e13613 in QThreadPrivate::start (arg=0x81cf110) at thread/qthread_unix.cpp:331
#10 0xb6d96a7d in start_thread () from /lib/libpthread.so.0
#11 0xb615f8fe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb58da710 (LWP 2796)):
[KCrash Handler]
#6  QMetaObject::changeGuard (ptr=0x82fc178, o=0x0) at kernel/qobject.cpp:471
#7  0xb68d28e9 in operator= (p=<optimized out>, this=<optimized out>) at ../../src/corelib/kernel/qpointer.h:68
#8  QMenuPrivate::activateAction (this=0x82fc178, action=0x81d1458, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1110
#9  0xb68d5565 in QMenu::mouseReleaseEvent (this=0x829e7c0, e=0xbfdfdce4) at widgets/qmenu.cpp:2296
#10 0xb77310ec in KMenu::mouseReleaseEvent (this=0x829e7c0, e=0xbfdfdce4) at /usr/src/debug/kdelibs-4.7.2/kdeui/widgets/kmenu.cpp:464
#11 0xb64842ef in QWidget::event (this=0x829e7c0, event=0xbfdfdce4) at kernel/qwidget.cpp:8295
#12 0xb68d3fec in QMenu::event (this=0x829e7c0, e=0xbfdfdce4) at widgets/qmenu.cpp:2405
#13 0xb6429ee4 in notify_helper (e=0xbfdfdce4, receiver=0x829e7c0, this=0x80dfd60) at kernel/qapplication.cpp:4481
#14 QApplicationPrivate::notify_helper (this=0x80dfd60, receiver=0x829e7c0, e=0xbfdfdce4) at kernel/qapplication.cpp:4453
#15 0xb642fcfb in QApplication::notify (this=0x80dfd60, receiver=0x829e7c0, e=0xbfdfdce4) at kernel/qapplication.cpp:4042
#16 0xb7652681 in KApplication::notify (this=0xbfdff664, receiver=0x829e7c0, event=0xbfdfdce4) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#17 0xb6f0e42e in QCoreApplication::notifyInternal (this=0xbfdff664, receiver=0x829e7c0, event=0xbfdfdce4) at kernel/qcoreapplication.cpp:787
#18 0xb642aea0 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#19 QApplicationPrivate::sendMouseEvent (receiver=0x829e7c0, event=0xbfdfdce4, alienWidget=0x0, nativeWidget=0x829e7c0, buttonDown=0xb6d8cc34, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3141
#20 0xb64b490a in QETWidget::translateMouseEvent (this=0x829e7c0, event=0xbfdfe19c) at kernel/qapplication_x11.cpp:4406
#21 0xb64b2dae in QApplication::x11ProcessEvent (this=0xbfdff664, event=0xbfdfe19c) at kernel/qapplication_x11.cpp:3598
#22 0xb64ddeac in x11EventSourceDispatch (s=0x80e63a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#23 0xb5b53e2f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0xb5b54560 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0xb5b547fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0xb6f3c837 in QEventDispatcherGlib::processEvents (this=0x80dfd40, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#27 0xb64ddaaa in QGuiEventDispatcherGlib::processEvents (this=0x80dfd40, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#28 0xb6f0d44d in QEventLoop::processEvents (this=0xbfdfe4a0, flags=...) at kernel/qeventloop.cpp:149
#29 0xb6f0d691 in QEventLoop::exec (this=0xbfdfe4a0, flags=...) at kernel/qeventloop.cpp:201
#30 0xb68cfc87 in QMenu::exec (this=0x829e7c0, p=..., action=0x0) at widgets/qmenu.cpp:2049
#31 0xb69189cf in QToolButtonPrivate::popupTimerDone (this=0x82fbcd0) at widgets/qtoolbutton.cpp:955
#32 0xb691909d in QToolButtonPrivate::_q_buttonPressed (this=0x82fbcd0) at widgets/qtoolbutton.cpp:879
#33 0xb69192bb in QToolButton::qt_metacall (this=0x81d88e8, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfdfe6b4) at .moc/release-shared/moc_qtoolbutton.cpp:114
#34 0xb6f147dd in metacall (argv=0xbfdfe6b4, idx=43, cl=QMetaObject::InvokeMetaMethod, object=0x81d88e8) at kernel/qmetaobject.cpp:237
#35 QMetaObject::metacall (object=0x81d88e8, cl=QMetaObject::InvokeMetaMethod, idx=43, argv=0xbfdfe6b4) at kernel/qmetaobject.cpp:232
#36 0xb6f23710 in QMetaObject::activate (sender=0x81d88e8, m=0xb6d83b08, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3287
#37 0xb6b3f435 in QAbstractButton::pressed (this=0x81d88e8) at .moc/release-shared/moc_qabstractbutton.cpp:193
#38 0xb683d2bd in QAbstractButtonPrivate::emitPressed (this=0x82fbcd0) at widgets/qabstractbutton.cpp:560
#39 0xb683df3a in QAbstractButton::mousePressEvent (this=0x81d88e8, e=0xbfdfee14) at widgets/qabstractbutton.cpp:1096
#40 0xb6919426 in QToolButton::mousePressEvent (this=0x81d88e8, e=0xbfdfee14) at widgets/qtoolbutton.cpp:712
#41 0xb64842b3 in QWidget::event (this=0x81d88e8, event=0xbfdfee14) at kernel/qwidget.cpp:8291
#42 0xb683ddc9 in QAbstractButton::event (this=0x81d88e8, e=0xbfdfee14) at widgets/qabstractbutton.cpp:1080
#43 0xb6917b8c in QToolButton::event (this=0x81d88e8, event=0xbfdfee14) at widgets/qtoolbutton.cpp:1163
#44 0xb6429ee4 in notify_helper (e=0xbfdfee14, receiver=0x81d88e8, this=0x80dfd60) at kernel/qapplication.cpp:4481
#45 QApplicationPrivate::notify_helper (this=0x80dfd60, receiver=0x81d88e8, e=0xbfdfee14) at kernel/qapplication.cpp:4453
#46 0xb642fcfb in QApplication::notify (this=0x80dfd60, receiver=0x81d88e8, e=0xbfdfee14) at kernel/qapplication.cpp:4042
#47 0xb7652681 in KApplication::notify (this=0xbfdff664, receiver=0x81d88e8, event=0xbfdfee14) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#48 0xb6f0e42e in QCoreApplication::notifyInternal (this=0xbfdff664, receiver=0x81d88e8, event=0xbfdfee14) at kernel/qcoreapplication.cpp:787
#49 0xb642aea0 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#50 QApplicationPrivate::sendMouseEvent (receiver=0x81d88e8, event=0xbfdfee14, alienWidget=0x0, nativeWidget=0x81d88e8, buttonDown=0xb6d8cc34, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3141
#51 0xb64b41d4 in QETWidget::translateMouseEvent (this=0x81d88e8, event=0xbfdff2cc) at kernel/qapplication_x11.cpp:4472
#52 0xb64b2dae in QApplication::x11ProcessEvent (this=0xbfdff664, event=0xbfdff2cc) at kernel/qapplication_x11.cpp:3598
#53 0xb64ddeac in x11EventSourceDispatch (s=0x80e63a8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#54 0xb5b53e2f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#55 0xb5b54560 in ?? () from /usr/lib/libglib-2.0.so.0
#56 0xb5b547fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#57 0xb6f3c837 in QEventDispatcherGlib::processEvents (this=0x80dfd40, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#58 0xb64ddaaa in QGuiEventDispatcherGlib::processEvents (this=0x80dfd40, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#59 0xb6f0d44d in QEventLoop::processEvents (this=0xbfdff5d4, flags=...) at kernel/qeventloop.cpp:149
#60 0xb6f0d691 in QEventLoop::exec (this=0xbfdff5d4, flags=...) at kernel/qeventloop.cpp:201
#61 0xb6f11dea in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#62 0xb6427d64 in QApplication::exec () at kernel/qapplication.cpp:3755
#63 0xb1f99993 in kdemain (argc=5, argv=0x809c868) at /usr/src/debug/kde-baseapps-4.7.2/dolphin/src/main.cpp:85
#64 0x0804fbcd in _start ()

Possible duplicates by query: bug 278366.

Reported using DrKonqi