Bug 286997

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-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
When I click the "Show Menu Bar", Dolphin crash every time.

The crash can be reproduced every time.

-- Backtrace:
Application: Dolphin (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4fb4562760 (LWP 13018))]

Thread 2 (Thread 0x7f4f9c5d5700 (LWP 13020)):
#0  0x00007f4fb1bc0423 in poll () from /lib64/libc.so.6
#1  0x00007f4fae9b5a98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f4fae9b5f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f4fb31d2576 in QEventDispatcherGlib::processEvents (this=0x80c270, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f4fb31a6a22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4fb31a6c1f in QEventLoop::exec (this=0x7f4f9c5d4df0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f4fb30be5df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f4fb3189aef in QInotifyFileSystemWatcherEngine::run (this=0x857300) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4fb30c1025 in QThreadPrivate::start (arg=0x857300) at thread/qthread_unix.cpp:331
#9  0x00007f4fb2e30f05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f4fb1bc953d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f4fb4562760 (LWP 13018)):
[KCrash Handler]
#6  QMetaObject::changeGuard (ptr=0x9e1ff8, o=0x0) at kernel/qobject.cpp:471
#7  0x00007f4fb278f5c6 in operator= (p=0x0, this=0x9e1ff8) at ../../src/corelib/kernel/qpointer.h:68
#8  QMenuPrivate::activateAction (this=0x9e1d30, action=0x8622a0, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1110
#9  0x00007f4fb3ffbd40 in KMenu::mouseReleaseEvent (this=0x9dc410, e=0x7fff0914ce70) at /usr/src/debug/kdelibs-4.7.2/kdeui/widgets/kmenu.cpp:464
#10 0x00007f4fb23aa2b6 in QWidget::event (this=0x9dc410, event=0x7fff0914ce70) at kernel/qwidget.cpp:8295
#11 0x00007f4fb2790b0b in QMenu::event (this=0x9dc410, e=0x7fff0914ce70) at widgets/qmenu.cpp:2405
#12 0x00007f4fb2359be4 in notify_helper (e=0x7fff0914ce70, receiver=0x9dc410, this=0x6d01b0) at kernel/qapplication.cpp:4481
#13 QApplicationPrivate::notify_helper (this=0x6d01b0, receiver=0x9dc410, e=0x7fff0914ce70) at kernel/qapplication.cpp:4453
#14 0x00007f4fb235f36b in QApplication::notify (this=<optimized out>, receiver=0x9dc410, e=0x7fff0914ce70) at kernel/qapplication.cpp:4042
#15 0x00007f4fb3f39e36 in KApplication::notify (this=0x7fff0914f430, receiver=0x9dc410, event=0x7fff0914ce70) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#16 0x00007f4fb31a781c in QCoreApplication::notifyInternal (this=0x7fff0914f430, receiver=0x9dc410, event=0x7fff0914ce70) at kernel/qcoreapplication.cpp:787
#17 0x00007f4fb235abb2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#18 QApplicationPrivate::sendMouseEvent (receiver=0x9dc410, event=0x7fff0914ce70, alienWidget=0x0, nativeWidget=0x9dc410, buttonDown=0x0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3141
#19 0x00007f4fb23d7201 in QETWidget::translateMouseEvent (this=0x9dc410, event=<optimized out>) at kernel/qapplication_x11.cpp:4406
#20 0x00007f4fb23d5a2a in QApplication::x11ProcessEvent (this=0x7fff0914f430, event=0x7fff0914d730) at kernel/qapplication_x11.cpp:3598
#21 0x00007f4fb23fd2a2 in x11EventSourceDispatch (s=0x6d3f10, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#22 0x00007f4fae9b558d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f4fae9b5d88 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f4fae9b5f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007f4fb31d250f in QEventDispatcherGlib::processEvents (this=0x6b5fa0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#26 0x00007f4fb23fcf2e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f4fb31a6a22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f4fb31a6c1f in QEventLoop::exec (this=0x7fff0914db00, flags=...) at kernel/qeventloop.cpp:201
#29 0x00007f4fb278ca81 in QMenu::exec (this=<optimized out>, p=..., action=0x0) at widgets/qmenu.cpp:2049
#30 0x00007f4fb27cbe94 in QToolButtonPrivate::popupTimerDone (this=0x9e1a90) at widgets/qtoolbutton.cpp:955
#31 0x00007f4fb27cc641 in QToolButton::qt_metacall (this=0x85f8a0, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff0914dd80) at .moc/release-shared/moc_qtoolbutton.cpp:114
#32 0x00007f4fb31ba59a in QMetaObject::activate (sender=0x85f8a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3287
#33 0x00007f4fb270c5a1 in QAbstractButtonPrivate::emitPressed (this=0x9e1a90) at widgets/qabstractbutton.cpp:560
#34 0x00007f4fb270cfdc in QAbstractButton::mousePressEvent (this=0x85f8a0, e=0x7fff0914e730) at widgets/qabstractbutton.cpp:1096
#35 0x00007f4fb27cc791 in QToolButton::mousePressEvent (this=0x85f8a0, e=0x7fff0914e730) at widgets/qtoolbutton.cpp:712
#36 0x00007f4fb23aa599 in QWidget::event (this=0x85f8a0, event=0x7fff0914e730) at kernel/qwidget.cpp:8291
#37 0x00007f4fb2359be4 in notify_helper (e=0x7fff0914e730, receiver=0x85f8a0, this=0x6d01b0) at kernel/qapplication.cpp:4481
#38 QApplicationPrivate::notify_helper (this=0x6d01b0, receiver=0x85f8a0, e=0x7fff0914e730) at kernel/qapplication.cpp:4453
#39 0x00007f4fb235f36b in QApplication::notify (this=<optimized out>, receiver=0x85f8a0, e=0x7fff0914e730) at kernel/qapplication.cpp:4042
#40 0x00007f4fb3f39e36 in KApplication::notify (this=0x7fff0914f430, receiver=0x85f8a0, event=0x7fff0914e730) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#41 0x00007f4fb31a781c in QCoreApplication::notifyInternal (this=0x7fff0914f430, receiver=0x85f8a0, event=0x7fff0914e730) at kernel/qcoreapplication.cpp:787
#42 0x00007f4fb235abb2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#43 QApplicationPrivate::sendMouseEvent (receiver=0x85f8a0, event=0x7fff0914e730, alienWidget=0x0, nativeWidget=0x85f8a0, buttonDown=0x0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3141
#44 0x00007f4fb23d6b55 in QETWidget::translateMouseEvent (this=0x85f8a0, event=<optimized out>) at kernel/qapplication_x11.cpp:4472
#45 0x00007f4fb23d5a2a in QApplication::x11ProcessEvent (this=0x7fff0914f430, event=0x7fff0914eff0) at kernel/qapplication_x11.cpp:3598
#46 0x00007f4fb23fd2a2 in x11EventSourceDispatch (s=0x6d3f10, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#47 0x00007f4fae9b558d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#48 0x00007f4fae9b5d88 in ?? () from /usr/lib64/libglib-2.0.so.0
#49 0x00007f4fae9b5f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#50 0x00007f4fb31d250f in QEventDispatcherGlib::processEvents (this=0x6b5fa0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#51 0x00007f4fb23fcf2e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#52 0x00007f4fb31a6a22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#53 0x00007f4fb31a6c1f in QEventLoop::exec (this=0x7fff0914f3c0, flags=...) at kernel/qeventloop.cpp:201
#54 0x00007f4fb31aade7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#55 0x00007f4fa1d097b9 in kdemain (argc=5, argv=0x62d570) at /usr/src/debug/kde-baseapps-4.7.2/dolphin/src/main.cpp:85
#56 0x0000000000408897 in _start ()

Possible duplicates by query: bug 286946, bug 286822, bug 278366.

Reported using DrKonqi