Bug 249646

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-24-generic i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
Plasma crashed after clicking item in the  system utilities section of the add-widget-bar

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77e3aa0 (LWP 1230))]

Thread 3 (Thread 0xab789b70 (LWP 1231)):
#0  0x0071330e in __pthread_mutex_unlock_usercnt () from /lib/tls/i686/cmov/libpthread.so.0
#1  0x056114e0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#2  0x00a8260f in QEventDispatcherGlib::processEvents (this=0x9d9cbb0, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#3  0x00a55059 in QEventLoop::processEvents (this=0xab789290, flags=) at kernel/qeventloop.cpp:149
#4  0x00a554aa in QEventLoop::exec (this=0xab789290, flags=...) at kernel/qeventloop.cpp:201
#5  0x009515a8 in QThread::exec (this=0x96cd208) at thread/qthread.cpp:487
#6  0x00a34c1b in QInotifyFileSystemWatcherEngine::run (this=0x96cd208) at io/qfilesystemwatcher_inotify.cpp:248
#7  0x0095432e in QThreadPrivate::start (arg=0x96cd208) at thread/qthread_unix.cpp:248
#8  0x0070f96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0x05904a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xaa5feb70 (LWP 1233)):
#0  0x008ed422 in __kernel_vsyscall ()
#1  0x00714015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x03121c97 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x31fb1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#3  0x03121ce1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x31fb1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#4  0x0070f96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0x05904a4e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77e3aa0 (LWP 1230)):
[KCrash Handler]
#6  QGraphicsItem::pos (this=0x41) at graphicsview/qgraphicsitem.cpp:3419
#7  0x01ad2efa in AppletsListWidget::itemPosition (this=0xa3943c8, i=60) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:691
#8  0x01ad3295 in AppletsListWidget::manageArrows (this=0xa3943c8) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:636
#9  0x01ad456a in AppletsListWidget::eventFilter (this=0xa3943c8, obj=0xa3bb098, event=0xbf954f20) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:172
#10 0x00a55cda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9691a30, receiver=0xa3bb098, event=0xbf954f20) at kernel/qcoreapplication.cpp:819
#11 0x066ab4b9 in QApplicationPrivate::notify_helper (this=0x9691a30, receiver=0xa3bb098, e=0xbf954f20) at kernel/qapplication.cpp:4296
#12 0x066b205e in QApplication::notify (this=0x968b918, receiver=0xa3bb098, e=0xbf954f20) at kernel/qapplication.cpp:3704
#13 0x00f33f2a in KApplication::notify (this=0x968b918, receiver=0xa3bb098, event=0xbf954f20) at ../../kdeui/kernel/kapplication.cpp:302
#14 0x00a56a3b in QCoreApplication::notifyInternal (this=0x968b918, receiver=0xa3bb098, event=0xbf954f20) at kernel/qcoreapplication.cpp:704
#15 0x06d812d4 in QCoreApplication::sendEvent (this=0xa3bb098, rect=...) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QGraphicsWidget::setGeometry (this=0xa3bb098, rect=...) at graphicsview/qgraphicswidget.cpp:394
#17 0x06d7e101 in QGraphicsWidget::resize (this=0xa3bb098, size=...) at graphicsview/qgraphicswidget.cpp:309
#18 0x06d7e5bd in QGraphicsWidget::adjustSize (this=0xa3bb098) at graphicsview/qgraphicswidget.cpp:807
#19 0x01ad4bed in AppletsListWidget::updateList (this=0xa3943c8) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:461
#20 0x01ab3cc3 in AppletsListWidget::qt_metacall (this=0xa3943c8, _c=QMetaObject::InvokeMetaMethod, _id=17, _a=0xbf95525c) at moc_appletslist.cpp:109
#21 0x00a5bc9a in QMetaObject::metacall (object=0xa3943c8, cl=170103992, idx=17, argv=0xbf95525c) at kernel/qmetaobject.cpp:237
#22 0x00a6a3d5 in QMetaObject::activate (sender=0xa3e9d60, m=0x1ae2420, local_signal_index=1, argv=0x0) at kernel/qobject.cpp:3293
#23 0x01ab2a47 in KCategorizedItemsViewModels::DefaultItemFilterProxyModel::filterChanged (this=0xa3e9d60) at moc_kcategorizeditemsviewmodels_p.cpp:94
#24 0x01ac49f1 in KCategorizedItemsViewModels::DefaultItemFilterProxyModel::setFilter (this=0xa3e9d60, filter=...)
    at ../../../libs/plasmagenericshell/widgetsexplorer/kcategorizeditemsviewmodels.cpp:168
#25 0x01ad6b8f in AppletsListWidget::timerEvent (this=0xa3943c8, event=0xbf955880) at ../../../libs/plasmagenericshell/widgetsexplorer/appletslist.cpp:281
#26 0x00a67254 in QObject::event (this=0xa3943c8, e=0x41) at kernel/qobject.cpp:1212
#27 0x06d7dcf4 in QGraphicsWidget::event (this=0xa3943c8, event=0xbf955880) at graphicsview/qgraphicswidget.cpp:1361
#28 0x066ab4dc in QApplicationPrivate::notify_helper (this=0x9691a30, receiver=0xa3943c8, e=0xbf955880) at kernel/qapplication.cpp:4300
#29 0x066b205e in QApplication::notify (this=0x968b918, receiver=0xa3943c8, e=0xbf955880) at kernel/qapplication.cpp:3704
#30 0x00f33f2a in KApplication::notify (this=0x968b918, receiver=0xa3943c8, event=0xbf955880) at ../../kdeui/kernel/kapplication.cpp:302
#31 0x00a56a3b in QCoreApplication::notifyInternal (this=0x968b918, receiver=0xa3943c8, event=0xbf955880) at kernel/qcoreapplication.cpp:704
#32 0x00a85d66 in QCoreApplication::sendEvent (this=0x9694674) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#33 QTimerInfoList::activateTimers (this=0x9694674) at kernel/qeventdispatcher_unix.cpp:603
#34 0x00a82917 in timerSourceDispatch (source=0x96946a8) at kernel/qeventdispatcher_glib.cpp:184
#35 idleTimerSourceDispatch (source=0x96946a8) at kernel/qeventdispatcher_glib.cpp:231
#36 0x0560d5e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#37 0x056112d8 in ?? () from /lib/libglib-2.0.so.0
#38 0x056114b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#39 0x00a825d5 in QEventDispatcherGlib::processEvents (this=0x9691758, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#40 0x0676b135 in QGuiEventDispatcherGlib::processEvents (this=0x9691758, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00a55059 in QEventLoop::processEvents (this=0xbf955b44, flags=) at kernel/qeventloop.cpp:149
#42 0x00a554aa in QEventLoop::exec (this=0xbf955b44, flags=...) at kernel/qeventloop.cpp:201
#43 0x00a5969f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#44 0x066ab577 in QApplication::exec () at kernel/qapplication.cpp:3579
#45 0x0913105e in kdemain (argc=1, argv=0x9683520) at ../../../../plasma/desktop/shell/main.cpp:112
#46 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x9680270 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#47 0x0804ec6d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#48 0x0804f190 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#49 0x0804fe4f in main (argc=4, argv=0xbf9565f4, envp=0xbf956608) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 248969, bug 248914, bug 247472, bug 246953, bug 245369.

Reported using DrKonqi