Bug 313876

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.97
Qt Version: 4.8.4
Operating System: Linux 3.7.2-204.fc18.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Crash occured after adding world clock widget on the desktop.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f1969103880 (LWP 1656))]

Thread 10 (Thread 0x7f193f463700 (LWP 1657)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00007f1951f698c7 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f1952277660 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f1951f698f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f1967749d15 in start_thread (arg=0x7f193f463700) at pthread_create.c:308
#4  0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 9 (Thread 0x7f18b587f700 (LWP 1658)):
#0  0x00007f1965d5f98d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f196229fd44 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#2  0x00007f196229fe64 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1967b040f6 in QEventDispatcherGlib::processEvents (this=0x7f18b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1967ad47df in QEventLoop::processEvents (this=this@entry=0x7f18b587ecd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1967ad4a68 in QEventLoop::exec (this=0x7f18b587ecd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f19679d6950 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f1967ab500f in QInotifyFileSystemWatcherEngine::run (this=0x2226a80) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f19679d992c in QThreadPrivate::start (arg=0x2226a80) at thread/qthread_unix.cpp:338
#9  0x00007f1967749d15 in start_thread (arg=0x7f18b587f700) at pthread_create.c:308
#10 0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 8 (Thread 0x7f18a542e700 (LWP 1661)):
#0  0x00007f196229f56c in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#1  0x00007f196229fc6b in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#2  0x00007f196229fe64 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1967b040f6 in QEventDispatcherGlib::processEvents (this=0x7f18a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1967ad47df in QEventLoop::processEvents (this=this@entry=0x7f18a542dd00, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1967ad4a68 in QEventLoop::exec (this=0x7f18a542dd00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f19679d6950 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f19679d992c in QThreadPrivate::start (arg=0x2c9a380) at thread/qthread_unix.cpp:338
#8  0x00007f1967749d15 in start_thread (arg=0x7f18a542e700) at pthread_create.c:308
#9  0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 7 (Thread 0x7f189f5ca700 (LWP 19686)):
#0  0x00007f1965d5f98d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f196229fd44 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#2  0x00007f196229fe64 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f1967b040f6 in QEventDispatcherGlib::processEvents (this=0x7f1898001fb0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1967ad47df in QEventLoop::processEvents (this=this@entry=0x7f189f5c9cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1967ad4a68 in QEventLoop::exec (this=0x7f189f5c9cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f19679d6950 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f1967ab500f in QInotifyFileSystemWatcherEngine::run (this=0x5e5e5a0) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007f19679d992c in QThreadPrivate::start (arg=0x5e5e5a0) at thread/qthread_unix.cpp:338
#9  0x00007f1967749d15 in start_thread (arg=0x7f189f5ca700) at pthread_create.c:308
#10 0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 6 (Thread 0x7f189773f700 (LWP 19687)):
#0  0x00007f1967b04d06 in QTimerInfoList::repairTimersIfNeeded (this=<optimized out>) at kernel/qeventdispatcher_unix.cpp:419
#1  0x00007f1967b04d61 in QTimerInfoList::timerWait (this=0x7f1890001330, tm=...) at kernel/qeventdispatcher_unix.cpp:462
#2  0x00007f1967b037ac in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f189773eb14) at kernel/qeventdispatcher_glib.cpp:136
#3  0x00007f1967b03855 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#4  0x00007f196229f5d8 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#5  0x00007f196229fc6b in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#6  0x00007f196229fe64 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#7  0x00007f1967b040f6 in QEventDispatcherGlib::processEvents (this=0x7f18900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x00007f1967ad47df in QEventLoop::processEvents (this=this@entry=0x7f189773ecd0, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f1967ad4a68 in QEventLoop::exec (this=0x7f189773ecd0, flags=...) at kernel/qeventloop.cpp:204
#10 0x00007f19679d6950 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#11 0x00007f1967ab500f in QInotifyFileSystemWatcherEngine::run (this=0x59309e0) at io/qfilesystemwatcher_inotify.cpp:256
#12 0x00007f19679d992c in QThreadPrivate::start (arg=0x59309e0) at thread/qthread_unix.cpp:338
#13 0x00007f1967749d15 in start_thread (arg=0x7f189773f700) at pthread_create.c:308
#14 0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 5 (Thread 0x7f1888ba6700 (LWP 19693)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f19679d9de7 in wait (time=30000, this=0x3d2db00) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3d1ea68, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f19679cd66f in QThreadPoolThread::run (this=0x3d1e240) at concurrent/qthreadpool.cpp:141
#4  0x00007f19679d992c in QThreadPrivate::start (arg=0x3d1e240) at thread/qthread_unix.cpp:338
#5  0x00007f1967749d15 in start_thread (arg=0x7f1888ba6700) at pthread_create.c:308
#6  0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 4 (Thread 0x7f1873fff700 (LWP 19694)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f19679d9de7 in wait (time=30000, this=0x3d2db00) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3d1ea68, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f19679cd66f in QThreadPoolThread::run (this=0x4942ed0) at concurrent/qthreadpool.cpp:141
#4  0x00007f19679d992c in QThreadPrivate::start (arg=0x4942ed0) at thread/qthread_unix.cpp:338
#5  0x00007f1967749d15 in start_thread (arg=0x7f1873fff700) at pthread_create.c:308
#6  0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 3 (Thread 0x7f188b3ab700 (LWP 19695)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f19679d9de7 in wait (time=30000, this=0x3d2db00) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3d1ea68, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f19679cd66f in QThreadPoolThread::run (this=0x7f1874002bb0) at concurrent/qthreadpool.cpp:141
#4  0x00007f19679d992c in QThreadPrivate::start (arg=0x7f1874002bb0) at thread/qthread_unix.cpp:338
#5  0x00007f1967749d15 in start_thread (arg=0x7f188b3ab700) at pthread_create.c:308
#6  0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f1889ba8700 (LWP 19696)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f19679d9de7 in wait (time=30000, this=0x3d2db00) at thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x3d1ea68, time=30000) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f19679cd66f in QThreadPoolThread::run (this=0x7f1880002c00) at concurrent/qthreadpool.cpp:141
#4  0x00007f19679d992c in QThreadPrivate::start (arg=0x7f1880002c00) at thread/qthread_unix.cpp:338
#5  0x00007f1967749d15 in start_thread (arg=0x7f1889ba8700) at pthread_create.c:308
#6  0x00007f1965d6846d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f1969103880 (LWP 1656)):
[KCrash Handler]
#5  isSignalConnected (signal_index=31, this=0x0) at kernel/qobject_p.h:239
#6  QMetaObject::activate (sender=0x55beee0, m=<optimized out>, local_signal_index=6, argv=0x7fffb66ef510) at kernel/qobject.cpp:3448
#7  0x00007f18b7fb3881 in DeclarativeDragArea::drop(int) () from /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#8  0x00007f18b7fb5ab6 in DeclarativeDragArea::mouseMoveEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#9  0x00007f18b7fb5b79 in DeclarativeDragArea::sceneEventFilter(QGraphicsItem*, QEvent*) () from /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#10 0x00007f1967249445 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0x165fc10, item=item@entry=0x6a08010, event=event@entry=0x7fffb66efdb0) at graphicsview/qgraphicsscene.cpp:1159
#11 0x00007f196724f51e in QGraphicsScenePrivate::sendEvent (this=0x165fc10, item=0x6a08010, event=0x7fffb66efdb0) at graphicsview/qgraphicsscene.cpp:1211
#12 0x00007f1967250140 in sendMouseEvent (mouseEvent=0x7fffb66efdb0, this=0x165fc10) at graphicsview/qgraphicsscene.cpp:1295
#13 QGraphicsScenePrivate::sendMouseEvent (this=0x165fc10, mouseEvent=0x7fffb66efdb0) at graphicsview/qgraphicsscene.cpp:1274
#14 0x00007f1967250c7c in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fffb66efdb0) at graphicsview/qgraphicsscene.cpp:4102
#15 0x00007f1967262f90 in QGraphicsScene::event (this=0x174a280, event=0x7fffb66efdb0) at graphicsview/qgraphicsscene.cpp:3451
#16 0x00007f1966c6a5cc in QApplicationPrivate::notify_helper (this=0x1613c60, receiver=0x174a280, e=0x7fffb66efdb0) at kernel/qapplication.cpp:4562
#17 0x00007f1966c6ea4a in QApplication::notify (this=0x160ce70, receiver=0x174a280, e=0x7fffb66efdb0) at kernel/qapplication.cpp:4423
#18 0x00007f1968b01f26 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#19 0x00007f1967ad5a8e in QCoreApplication::notifyInternal (this=0x160ce70, receiver=0x174a280, event=0x7fffb66efdb0) at kernel/qcoreapplication.cpp:946
#20 0x00007f1967276174 in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0x255e490, event=event@entry=0x7fffb66f07e0) at graphicsview/qgraphicsview.cpp:646
#21 0x00007f19672791ee in QGraphicsView::mouseMoveEvent (this=0x4c7d390, event=0x7fffb66f07e0) at graphicsview/qgraphicsview.cpp:3276
#22 0x00007f1966cb9f7b in QWidget::event (this=0x4c7d390, event=0x7fffb66f07e0) at kernel/qwidget.cpp:8360
#23 0x00007f19670649f6 in QFrame::event (this=0x4c7d390, e=0x7fffb66f07e0) at widgets/qframe.cpp:557
#24 0x00007f196727c51b in QGraphicsView::viewportEvent (this=0x4c7d390, event=0x7fffb66f07e0) at graphicsview/qgraphicsview.cpp:2866
#25 0x00007f1967ad5bf6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x478e6d0, event=0x7fffb66f07e0) at kernel/qcoreapplication.cpp:1056
#26 0x00007f1966c6a59c in QApplicationPrivate::notify_helper (this=0x1613c60, receiver=0x478e6d0, e=0x7fffb66f07e0) at kernel/qapplication.cpp:4558
#27 0x00007f1966c6f2ab in QApplication::notify (this=<optimized out>, receiver=0x478e6d0, e=0x7fffb66f07e0) at kernel/qapplication.cpp:4105
#28 0x00007f1968b01f26 in KApplication::notify(QObject*, QEvent*) () from /lib64/libkdeui.so.5
#29 0x00007f1967ad5a8e in QCoreApplication::notifyInternal (this=0x160ce70, receiver=0x478e6d0, event=0x7fffb66f07e0) at kernel/qcoreapplication.cpp:946
#30 0x00007f1966c6b40b in QApplicationPrivate::sendMouseEvent (receiver=0x478e6d0, event=0x7fffb66f07e0, alienWidget=0x478e6d0, nativeWidget=0x31044b0, buttonDown=0x7f196773e268 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#31 0x00007f1966ce5b74 in QETWidget::translateMouseEvent (this=0x31044b0, event=<optimized out>) at kernel/qapplication_x11.cpp:4537
#32 0x00007f1966ce4901 in QApplication::x11ProcessEvent (this=0x160ce70, event=0x7fffb66f0f50) at kernel/qapplication_x11.cpp:3660
#33 0x00007f1966d0aa5c in x11EventSourceDispatch (s=0x1619900, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#34 0x00007f196229fa75 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#35 0x00007f196229fda8 in g_main_context_iterate.isra.24 () from /lib64/libglib-2.0.so.0
#36 0x00007f196229fe64 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#37 0x00007f1967b040d6 in QEventDispatcherGlib::processEvents (this=0x1612490, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#38 0x00007f1966d0a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#39 0x00007f1967ad47df in QEventLoop::processEvents (this=this@entry=0x7fffb66f1320, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f1967ad4a68 in QEventLoop::exec (this=0x7fffb66f1320, flags=...) at kernel/qeventloop.cpp:204
#41 0x00007f1967ad9858 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#42 0x00007f194a5a7361 in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#43 0x000000000040822a in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#44 0x00000000004090bb in handle_launcher_request(int, char const*) [clone .isra.13] ()
#45 0x0000000000409700 in handle_requests(int) ()
#46 0x0000000000405307 in main ()

Possible duplicates by query: bug 312934, bug 312642, bug 310523, bug 307660, bug 307487.

Reported using DrKonqi