Bug 314091

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-36-generic i686
Distribution: Ubuntu 12.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Tried to create a new account, but Konqueror browser hanged with network 'time-out' error and upon returning to 'login screen' it crashed.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb77a0740 (LWP 31876))]

Thread 6 (Thread 0xb576eb40 (LWP 31877)):
#0  0x00cae416 in __kernel_vsyscall ()
#1  0x024db96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x00a3c6ec in __pthread_cond_wait (cond=0x2e18890, mutex=0x2e18878) at forward.c:139
#3  0x02d14029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x02d1406f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x024d7d4c in start_thread (arg=0xb576eb40) at pthread_create.c:308
#6  0x00a2edde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xaf8beb40 (LWP 31881)):
#0  0x0630bdcd in __GI_clock_gettime (clock_id=1, tp=0xaf8bdfb8) at ../sysdeps/unix/clock_gettime.c:116
#1  0x05c4d315 in do_gettime (frac=0xaf8bdfb0, sec=0xaf8bdfa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x05d37226 in QTimerInfoList::updateCurrentTime (this=0xaef02074) at kernel/qeventdispatcher_unix.cpp:343
#4  0x05d3757a in QTimerInfoList::timerWait (this=0xaef02074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x05d35e23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaf8be0bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x05d35ebd in timerSourcePrepare (source=0xaef02040, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x01715872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x01715faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x01716201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x05d368e7 in QEventDispatcherGlib::processEvents (this=0xaef00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x05d0250d in QEventLoop::processEvents (this=0xaf8be240, flags=...) at kernel/qeventloop.cpp:149
#12 0x05d027a9 in QEventLoop::exec (this=0xaf8be240, flags=...) at kernel/qeventloop.cpp:204
#13 0x05beb94c in QThread::exec (this=0x9cc6620) at thread/qthread.cpp:501
#14 0x05cdfb5d in QInotifyFileSystemWatcherEngine::run (this=0x9cc6620) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x05beede0 in QThreadPrivate::start (arg=0x9cc6620) at thread/qthread_unix.cpp:298
#16 0x024d7d4c in start_thread (arg=0xaf8beb40) at pthread_create.c:308
#17 0x00a2edde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa8bf2b40 (LWP 1410)):
#0  0x024d6483 in __i686.get_pc_thunk.bx () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x024d9cbf in __pthread_mutex_lock (mutex=0xb888df0) at pthread_mutex_lock.c:47
#2  0x00a3c904 in pthread_mutex_lock (mutex=0xb888df0) at forward.c:182
#3  0x017553d0 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01715a16 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x01716042 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0x01716201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x05d368e7 in QEventDispatcherGlib::processEvents (this=0x9a738d8, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x05d0250d in QEventLoop::processEvents (this=0xa8bf2240, flags=...) at kernel/qeventloop.cpp:149
#9  0x05d027a9 in QEventLoop::exec (this=0xa8bf2240, flags=...) at kernel/qeventloop.cpp:204
#10 0x05beb94c in QThread::exec (this=0xb13c3f0) at thread/qthread.cpp:501
#11 0x05cdfb5d in QInotifyFileSystemWatcherEngine::run (this=0xb13c3f0) at io/qfilesystemwatcher_inotify.cpp:248
#12 0x05beede0 in QThreadPrivate::start (arg=0xb13c3f0) at thread/qthread_unix.cpp:298
#13 0x024d7d4c in start_thread (arg=0xa8bf2b40) at pthread_create.c:308
#14 0x00a2edde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa6e70b40 (LWP 1427)):
#0  0x00cae416 in __kernel_vsyscall ()
#1  0x00a20690 in __GI___poll (fds=0xbd17a50, nfds=1, timeout=2689) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x01723a7b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x017160ae in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01716201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x05d368e7 in QEventDispatcherGlib::processEvents (this=0x9dfec48, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x05d0250d in QEventLoop::processEvents (this=0xa6e70270, flags=...) at kernel/qeventloop.cpp:149
#7  0x05d027a9 in QEventLoop::exec (this=0xa6e70270, flags=...) at kernel/qeventloop.cpp:204
#8  0x05beb94c in QThread::exec (this=0xba00638) at thread/qthread.cpp:501
#9  0x05beba3b in QThread::run (this=0xba00638) at thread/qthread.cpp:568
#10 0x05beede0 in QThreadPrivate::start (arg=0xba00638) at thread/qthread_unix.cpp:298
#11 0x024d7d4c in start_thread (arg=0xa6e70b40) at pthread_create.c:308
#12 0x00a2edde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa7e72b40 (LWP 20957)):
#0  0x00cae416 in __kernel_vsyscall ()
#1  0x024db96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x00a3c6ec in __pthread_cond_wait (cond=0x532aa30, mutex=0x532aa18) at forward.c:139
#3  0x04bf9263 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0x04bf937f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0x024d7d4c in start_thread (arg=0xa7e72b40) at pthread_create.c:308
#6  0x00a2edde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb77a0740 (LWP 31876)):
[KCrash Handler]
#7  0x0303b994 in operator QMenu* (this=<error reading variable: Cannot access memory at address 0x5>) at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:78
#8  QAction::menu (this=0x1) at kernel/qaction.cpp:751
#9  0x00519157 in mouseReleaseEvent (event=0xbfcf3038, this=0xb2be368) at ../../plasma/widgets/iconwidget.cpp:1442
#10 Plasma::IconWidget::mouseReleaseEvent (this=0xb2be368, event=0xbfcf3038) at ../../plasma/widgets/iconwidget.cpp:1415
#11 0x036c6aff in QGraphicsItem::sceneEvent (this=0xb2be370, event=0xbfcf3038) at graphicsview/qgraphicsitem.cpp:6741
#12 0x037241a6 in QGraphicsWidget::sceneEvent (this=0xb2be368, event=0xbfcf3038) at graphicsview/qgraphicswidget.cpp:1229
#13 0x036f031e in sendEvent (event=0xbfcf3038, item=0xb2be370, this=<optimized out>) at graphicsview/qgraphicsscene.cpp:1221
#14 QGraphicsScenePrivate::sendEvent (this=0x9b220b8, item=0xb2be370, event=0xbfcf3038) at graphicsview/qgraphicsscene.cpp:1197
#15 0x036f0f53 in QGraphicsScenePrivate::sendMouseEvent (this=0x9b220b8, mouseEvent=0xbfcf3038) at graphicsview/qgraphicsscene.cpp:1295
#16 0x036f19b7 in QGraphicsScene::mouseReleaseEvent (this=0x9a4a6b8, mouseEvent=0xbfcf3038) at graphicsview/qgraphicsscene.cpp:4128
#17 0x0370036c in QGraphicsScene::event (this=0x9a4a6b8, event=0xbfcf3038) at graphicsview/qgraphicsscene.cpp:3458
#18 0x03043ed4 in notify_helper (e=0xbfcf3038, receiver=0x9a4a6b8, this=0x9a49c20) at kernel/qapplication.cpp:4559
#19 QApplicationPrivate::notify_helper (this=0x9a49c20, receiver=0x9a4a6b8, e=0xbfcf3038) at kernel/qapplication.cpp:4531
#20 0x0304930d in QApplication::notify (this=0xbfcf3038, receiver=0x9a4a6b8, e=0xbfcf3038) at kernel/qapplication.cpp:4288
#21 0x01148e01 in KApplication::notify (this=0x9a37698, receiver=0x9a4a6b8, event=0xbfcf3038) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x05d0397e in QCoreApplication::notifyInternal (this=0x9a37698, receiver=0x9a4a6b8, event=0xbfcf3038) at kernel/qcoreapplication.cpp:876
#23 0x03041ced in sendSpontaneousEvent (event=0xbfcf3038, receiver=0x9a4a6b8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#24 qt_sendSpontaneousEvent (receiver=0x9a4a6b8, event=0xbfcf3038) at kernel/qapplication.cpp:5557
#25 0x0371f3e8 in QGraphicsView::mouseReleaseEvent (this=0xbf895b0, event=0xbfcf3754) at graphicsview/qgraphicsview.cpp:3338
#26 0x0309e1ac in QWidget::event (this=0xbf895b0, event=0xbfcf3754) at kernel/qwidget.cpp:8362
#27 0x034bbe55 in QFrame::event (this=0xbf895b0, e=0xbfcf3754) at widgets/qframe.cpp:557
#28 0x0354eab1 in QAbstractScrollArea::viewportEvent (this=0xbf895b0, e=0xbfcf3754) at widgets/qabstractscrollarea.cpp:1043
#29 0x037226ac in QGraphicsView::viewportEvent (this=0xbf895b0, event=0xbfcf3754) at graphicsview/qgraphicsview.cpp:2866
#30 0x035511d6 in viewportEvent (this=<optimized out>, event=0xbfcf3754) at widgets/qabstractscrollarea_p.h:100
#31 eventFilter (e=0xbfcf3754, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#32 QAbstractScrollAreaFilter::eventFilter (this=0xb4a28e0, o=0xc1b7ce8, e=0xbfcf3754) at widgets/qabstractscrollarea_p.h:115
#33 0x05d03b16 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9a49c20, receiver=0xc1b7ce8, event=0xbfcf3754) at kernel/qcoreapplication.cpp:986
#34 0x03043ea2 in notify_helper (e=0xbfcf3754, receiver=0xc1b7ce8, this=0x9a49c20) at kernel/qapplication.cpp:4555
#35 QApplicationPrivate::notify_helper (this=0x9a49c20, receiver=0xc1b7ce8, e=0xbfcf3754) at kernel/qapplication.cpp:4531
#36 0x0304a024 in QApplication::notify (this=0x9a49c20, receiver=0xc1b7ce8, e=0xbfcf3754) at kernel/qapplication.cpp:4102
#37 0x01148e01 in KApplication::notify (this=0x9a37698, receiver=0xc1b7ce8, event=0xbfcf3754) at ../../kdeui/kernel/kapplication.cpp:311
#38 0x05d0397e in QCoreApplication::notifyInternal (this=0x9a37698, receiver=0xc1b7ce8, event=0xbfcf3754) at kernel/qcoreapplication.cpp:876
#39 0x03044e95 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#40 QApplicationPrivate::sendMouseEvent (receiver=0xc1b7ce8, event=0xbfcf3754, alienWidget=0xc1b7ce8, nativeWidget=0xbf895b0, buttonDown=0x39d8cf4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#41 0x030d1074 in QETWidget::translateMouseEvent (this=0xbf895b0, event=0xbfcf3c0c) at kernel/qapplication_x11.cpp:4617
#42 0x030cfc0d in QApplication::x11ProcessEvent (this=0x9a37698, event=0xbfcf3c0c) at kernel/qapplication_x11.cpp:3732
#43 0x030fceac in x11EventSourceDispatch (s=0x9a457b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#44 0x01715d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#45 0x01716125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#46 0x01716201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#47 0x05d36887 in QEventDispatcherGlib::processEvents (this=0x99f9ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#48 0x030fcaaa in QGuiEventDispatcherGlib::processEvents (this=0x99f9ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x05d0250d in QEventLoop::processEvents (this=0xbfcf3f04, flags=...) at kernel/qeventloop.cpp:149
#50 0x05d027a9 in QEventLoop::exec (this=0xbfcf3f04, flags=...) at kernel/qeventloop.cpp:204
#51 0x05d07eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#52 0x03041a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#53 0x00810a7b in kdemain (argc=1, argv=0xbfcf4104) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x0804850b in main (argc=1, argv=0xbfcf4104) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi