Bug 243703

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.90 (KDE 4.4.90 (KDE 4.5 RC1))
Qt Version: 4.7.0
Operating System: Linux 2.6.32-23-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

The "Info/notification" applet (the small " i " ) killed the entire desktop when i aborted a running taskt, but the desktop reload instantly.

-- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7dd2fed780 (LWP 2397))]

Thread 5 (Thread 0x7f7db2c4e710 (LWP 2401)):
#0  0x00007f7dcfbd4a2d in __pthread_mutex_unlock_usercnt (mutex=0x2047d58) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x2047d58) at pthread_mutex_unlock.c:290
#2  0x00007f7dc7581ea5 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#3  0x00007f7dc7582318 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f7dc75828fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007f7dcff809c6 in QEventDispatcherGlib::processEvents (this=0x1fdc630, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#6  0x00007f7dcff535b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f7dcff5398c in QEventLoop::exec (this=0x7f7db2c4dd90, flags=) at kernel/qeventloop.cpp:201
#8  0x00007f7dcfe5f1cd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#9  0x00007f7dcff334d8 in QInotifyFileSystemWatcherEngine::run (this=0x2041f40) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f7dcfe6214e in QThreadPrivate::start (arg=0x2041f40) at thread/qthread_unix.cpp:266
#11 0x00007f7dcfbd09ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#12 0x00007f7dd29046cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f7d9aba4710 (LWP 3690)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7dcfe62d0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x5c85d50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x5c85d50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f7da73ecdbb in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#4  0x00007f7da7a62030 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0
#5  0x00007f7da7a63d60 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0
#6  0x00007f7da79e9d60 in ?? () from /usr/lib/libpython2.6.so.1.0
#7  0x00007f7da79bc2e3 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#8  0x00007f7da79cdcef in ?? () from /usr/lib/libpython2.6.so.1.0
#9  0x00007f7da79bc2e3 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#10 0x00007f7da7a5c193 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.6.so.1.0
#11 0x00007f7da7133d3b in ?? () from /usr/lib/pymodules/python2.6/sip.so
#12 0x00007f7da73da080 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#13 0x00007f7da740c372 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#14 0x00007f7dcfe6214e in QThreadPrivate::start (arg=0x391ede0) at thread/qthread_unix.cpp:266
#15 0x00007f7dcfbd09ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#16 0x00007f7dd29046cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f7d99ca7710 (LWP 3693)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7dcfe62d0b in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x5d9af50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x5d9af50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f7da73ecdbb in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#4  0x00007f7da7a62030 in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0
#5  0x00007f7da7a63d60 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0
#6  0x00007f7da79e9d60 in ?? () from /usr/lib/libpython2.6.so.1.0
#7  0x00007f7da79bc2e3 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#8  0x00007f7da79cdcef in ?? () from /usr/lib/libpython2.6.so.1.0
#9  0x00007f7da79bc2e3 in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#10 0x00007f7da7a5c193 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.6.so.1.0
#11 0x00007f7da7133d3b in ?? () from /usr/lib/pymodules/python2.6/sip.so
#12 0x00007f7da73da080 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#13 0x00007f7da740c372 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#14 0x00007f7dcfe6214e in QThreadPrivate::start (arg=0x3f1fe10) at thread/qthread_unix.cpp:266
#15 0x00007f7dcfbd09ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#16 0x00007f7dd29046cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7d994a6710 (LWP 3694)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7dce43890e in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f7dce438a29 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f7dcfbd09ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f7dd29046cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7dd2fed780 (LWP 2397)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f7db4f70ff0 in DBusJobProtocol::stop (this=<value optimized out>, source=...) at ../../../../../plasma/generic/applets/notifications/protocols/jobs/dbusjobprotocol.cpp:166
#8  0x00007f7db4f737f8 in DBusJobProtocol::qt_metacall (this=0x1fd1a90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffcded9e50) at ./dbusjobprotocol.moc:85
#9  0x00007f7dcff6c597 in QMetaObject::activate (sender=0x4282aa0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffffffebb28) at kernel/qobject.cpp:3280
#10 0x00007f7db4f68c95 in DBusJob::stop (this=0x20179c0, _t1=<value optimized out>) at moc_dbusjob.cpp:122
#11 0x00007f7db4f73b5e in DBusJob::stop (this=0x20179c0) at ../../../../../plasma/generic/applets/notifications/protocols/jobs/dbusjob.cpp:51
#12 0x00007f7db4f68fd6 in DBusJob::qt_metacall (this=0x4282aa0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffcded9fb0) at moc_dbusjob.cpp:89
#13 0x00007f7dcff6c597 in QMetaObject::activate (sender=0x40c38f0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffffffebb28) at kernel/qobject.cpp:3280
#14 0x00007f7dcf0ba1a2 in QAction::triggered (this=0x20179c0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#15 0x00007f7dcf0bb89b in QAction::activate (this=0x40c38f0, event=<value optimized out>) at kernel/qaction.cpp:1256
#16 0x00007f7dcf0bdef2 in QAction::trigger (this=0x40c38f0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffcdeda140) at kernel/qaction.h:218
#17 QAction::qt_metacall (this=0x40c38f0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffcdeda140) at .moc/release-shared/moc_qaction.cpp:174
#18 0x00007f7dcff6c597 in QMetaObject::activate (sender=0x41f8580, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xfffffffffffebb28) at kernel/qobject.cpp:3280
#19 0x00007f7dd24f6528 in Plasma::IconWidget::mouseReleaseEvent (this=0x41f8580, event=0x7fffcdedaab0) at ../../plasma/widgets/iconwidget.cpp:1399
#20 0x00007f7dcf6dc624 in QGraphicsItem::sceneEvent (this=0x41f8590, event=0x4282ab8) at graphicsview/qgraphicsitem.cpp:6720
#21 0x00007f7dcf6f3d68 in QGraphicsScenePrivate::sendMouseEvent (this=0x1b29330, mouseEvent=0x7fffcdedaab0) at graphicsview/qgraphicsscene.cpp:1276
#22 0x00007f7dcf6f7375 in QGraphicsScene::mouseReleaseEvent (this=<value optimized out>, mouseEvent=0x7fffcdedaab0) at graphicsview/qgraphicsscene.cpp:4092
#23 0x00007f7dcf70877f in QGraphicsScene::event (this=0x1b209c0, event=0x7fffcdedaab0) at graphicsview/qgraphicsscene.cpp:3427
#24 0x00007f7dcf0c184c in QApplicationPrivate::notify_helper (this=0x1b31160, receiver=0x1b209c0, e=0x7fffcdedaab0) at kernel/qapplication.cpp:4358
#25 0x00007f7dcf0c72ed in QApplication::notify (this=0x1b1bfc0, receiver=0x1b209c0, e=0x7fffcdedaab0) at kernel/qapplication.cpp:4241
#26 0x00007f7dd0c096b6 in KApplication::notify (this=0x1b1bfc0, receiver=0x1b209c0, event=0x7fffcdedaab0) at ../../kdeui/kernel/kapplication.cpp:309
#27 0x00007f7dcff5487c in QCoreApplication::notifyInternal (this=0x1b1bfc0, receiver=0x1b209c0, event=0x7fffcdedaab0) at kernel/qcoreapplication.cpp:732
#28 0x00007f7dcf725f55 in QGraphicsView::mouseReleaseEvent (this=0x1fd52b0, event=0x7fffcdedb4f0) at graphicsview/qgraphicsview.cpp:3330
#29 0x00007f7dcf11719e in QWidget::event (this=0x1fd52b0, event=0x7fffcdedb4f0) at kernel/qwidget.cpp:8097
#30 0x00007f7dcf4d56a6 in QFrame::event (this=0x1fd52b0, e=0x7fffcdedb4f0) at widgets/qframe.cpp:557
#31 0x00007f7dcf72434b in QGraphicsView::viewportEvent (this=0x1fd52b0, event=0x7fffcdedb4f0) at graphicsview/qgraphicsview.cpp:2858
#32 0x00007f7dcff540a7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2040b70, event=0x7fffcdedb4f0) at kernel/qcoreapplication.cpp:847
#33 0x00007f7dcf0c181c in QApplicationPrivate::notify_helper (this=0x1b31160, receiver=0x2040b70, e=0x7fffcdedb4f0) at kernel/qapplication.cpp:4354
#34 0x00007f7dcf0c7b0e in QApplication::notify (this=0x1b1bfc0, receiver=0x2040b70, e=0x7fffcdedb4f0) at kernel/qapplication.cpp:3923
#35 0x00007f7dd0c096b6 in KApplication::notify (this=0x1b1bfc0, receiver=0x2040b70, event=0x7fffcdedb4f0) at ../../kdeui/kernel/kapplication.cpp:309
#36 0x00007f7dcff5487c in QCoreApplication::notifyInternal (this=0x1b1bfc0, receiver=0x2040b70, event=0x7fffcdedb4f0) at kernel/qcoreapplication.cpp:732
#37 0x00007f7dcf0c65be in QCoreApplication::sendEvent (receiver=0x2040b70, event=0x7fffcdedb4f0, alienWidget=0x2040b70, nativeWidget=0x20c23e0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#38 QApplicationPrivate::sendMouseEvent (receiver=0x2040b70, event=0x7fffcdedb4f0, alienWidget=0x2040b70, nativeWidget=0x20c23e0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3023
#39 0x00007f7dcf148a75 in QETWidget::translateMouseEvent (this=0x20c23e0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#40 0x00007f7dcf1473bc in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffcdedbe10) at kernel/qapplication_x11.cpp:3536
#41 0x00007f7dcf173482 in x11EventSourceDispatch (s=0x1b34810, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#42 0x00007f7dc757e8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x00007f7dc7582748 in ?? () from /lib/libglib-2.0.so.0
#44 0x00007f7dc75828fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x00007f7dcff80973 in QEventDispatcherGlib::processEvents (this=0x1b00790, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#46 0x00007f7dcf172dee in QGuiEventDispatcherGlib::processEvents (this=0x20179c0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f7dcff535b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#48 0x00007f7dcff5398c in QEventLoop::exec (this=0x7fffcdedc140, flags=) at kernel/qeventloop.cpp:201
#49 0x00007f7dcff57a3b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#50 0x00007f7dd2bdc6d6 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#51 0x00007f7dd283cc4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffcdedc508) at libc-start.c:226
#52 0x00000000004006c9 in _start ()

Reported using DrKonqi