Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.32-24-generic-tuxonice i686
Distribution: Ubuntu 10.04.1 LTS

-- Information about the crash:
I activated different windows using the small preview of the window which is shown in the tooltip of the window list / task bar.

-- Backtrace:
Application: Plasma-Arbeitsfläche (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7857720 (LWP 1584))]

Thread 7 (Thread 0xaec55b70 (LWP 1586)):
#0  0x004bbf64 in __pthread_mutex_lock (mutex=0x9f66d44) at pthread_mutex_lock.c:62
#1  0x0069bba6 in pthread_mutex_lock (mutex=0x9f66d44) at forward.c:182
#2  0x04c85191 in ?? () from /lib/libglib-2.0.so.0
#3  0x04c854b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x0782082f in QEventDispatcherGlib::processEvents (this=0x9f34cf8, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#5  0x077f0a99 in QEventLoop::processEvents (this=0xaec55280, flags=) at kernel/qeventloop.cpp:149
#6  0x077f0f1a in QEventLoop::exec (this=0xaec55280, flags=...) at kernel/qeventloop.cpp:201
#7  0x076edc5e in QThread::exec (this=0x9967f60) at thread/qthread.cpp:490
#8  0x077cf9ab in QInotifyFileSystemWatcherEngine::run (this=0x9967f60) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x076f0f39 in QThreadPrivate::start (arg=0x9967f60) at thread/qthread_unix.cpp:266
#10 0x004b996e in start_thread (arg=0xaec55b70) at pthread_create.c:300
#11 0x0068ea4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0xadc39b70 (LWP 1616)):
#0  0x008aa422 in __kernel_vsyscall ()
#1  0x004be015 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0069b9dd in __pthread_cond_wait (cond=0x3f78290, mutex=0x3f78278) at forward.c:139
#3  0x03e74827 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3f731a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x03e74871 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x3f731a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x004b996e in start_thread (arg=0xadc39b70) at pthread_create.c:300
#6  0x0068ea4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xb03bdb70 (LWP 2210)):
#0  0x008aa422 in __kernel_vsyscall ()
#1  0x004be015 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0069b9dd in __pthread_cond_wait (cond=0xa245348, mutex=0xa245330) at forward.c:139
#3  0x076f1b07 in QWaitConditionPrivate::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x0096d890 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa245a98, th=0xaf07fc8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0097103c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa245c58, th=0xaf07fc8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0096cdbb in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa245a98, th=0xaf07fc8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00971132 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa245c58, th=0xaf07fc8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0096dd93 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa245a98, th=0xaf07fc8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0096f1be in ThreadWeaver::ThreadRunHelper::run (this=0xb03bd2e4, parent=0xa245a98, th=0xaf07fc8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0096f8db in ThreadWeaver::Thread::run (this=0xaf07fc8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x076f0f39 in QThreadPrivate::start (arg=0xaf07fc8) at thread/qthread_unix.cpp:266
#13 0x004b996e in start_thread (arg=0xb03bdb70) at pthread_create.c:300
#14 0x0068ea4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xa84efb70 (LWP 2211)):
#0  0x008aa422 in __kernel_vsyscall ()
#1  0x004be015 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0069b9dd in __pthread_cond_wait (cond=0xa245348, mutex=0xa245330) at forward.c:139
#3  0x076f1b07 in QWaitConditionPrivate::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x0096d890 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa245a98, th=0xa9fec40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0097103c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa245c58, th=0xa9fec40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0096cdbb in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa245a98, th=0xa9fec40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00971132 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa245c58, th=0xa9fec40) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0096dd93 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa245a98, th=0xa9fec40, previous=0xa6274f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0096f1be in ThreadWeaver::ThreadRunHelper::run (this=0xa84ef2e4, parent=0xa245a98, th=0xa9fec40) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0096f8db in ThreadWeaver::Thread::run (this=0xa9fec40) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x076f0f39 in QThreadPrivate::start (arg=0xa9fec40) at thread/qthread_unix.cpp:266
#13 0x004b996e in start_thread (arg=0xa84efb70) at pthread_create.c:300
#14 0x0068ea4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xa7ceeb70 (LWP 2212)):
#0  0x008aa422 in __kernel_vsyscall ()
#1  0x004be015 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0069b9dd in __pthread_cond_wait (cond=0xa245348, mutex=0xa245330) at forward.c:139
#3  0x076f1b07 in QWaitConditionPrivate::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x0096d890 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa245a98, th=0xad5bdf8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0097103c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa245c58, th=0xad5bdf8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0096cdbb in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa245a98, th=0xad5bdf8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00971132 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa245c58, th=0xad5bdf8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0096dd93 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa245a98, th=0xad5bdf8, previous=0xae0f4e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0096f1be in ThreadWeaver::ThreadRunHelper::run (this=0xa7cee2e4, parent=0xa245a98, th=0xad5bdf8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0096f8db in ThreadWeaver::Thread::run (this=0xad5bdf8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x076f0f39 in QThreadPrivate::start (arg=0xad5bdf8) at thread/qthread_unix.cpp:266
#13 0x004b996e in start_thread (arg=0xa7ceeb70) at pthread_create.c:300
#14 0x0068ea4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xa74edb70 (LWP 2213)):
#0  0x008aa422 in __kernel_vsyscall ()
#1  0x004be015 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:122
#2  0x0069b9dd in __pthread_cond_wait (cond=0xa245348, mutex=0xa245330) at forward.c:139
#3  0x076f1b07 in QWaitConditionPrivate::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0xa245ab0, mutex=0xa245e68, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x0096d890 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xa245a98, th=0xa6cb868) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0097103c in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0xa245c58, th=0xa6cb868) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0096cdbb in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0xa245a98, th=0xa6cb868) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x00971132 in ThreadWeaver::WorkingHardState::applyForWork (this=0xa245c58, th=0xa6cb868) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0096dd93 in ThreadWeaver::WeaverImpl::applyForWork (this=0xa245a98, th=0xa6cb868, previous=0xaf5f4d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0096f1be in ThreadWeaver::ThreadRunHelper::run (this=0xa74ed2e4, parent=0xa245a98, th=0xa6cb868) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0096f8db in ThreadWeaver::Thread::run (this=0xa6cb868) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x076f0f39 in QThreadPrivate::start (arg=0xa6cb868) at thread/qthread_unix.cpp:266
#13 0x004b996e in start_thread (arg=0xa74edb70) at pthread_create.c:300
#14 0x0068ea4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7857720 (LWP 1584)):
[KCrash Handler]
#7  0x0075cf30 in _XReply () from /usr/lib/libX11.so.6
#8  0x0073a2d6 in XGetWindowProperty () from /usr/lib/libX11.so.6
#9  0x0152aa94 in QDragManager::move (this=0xa8e8510, globalPos=...) at kernel/qdnd_x11.cpp:1586
#10 0x0152e820 in QDragManager::drag (this=0xa8e8510, o=0xad40180) at kernel/qdnd_x11.cpp:1972
#11 0x0149f3ee in QDrag::exec (this=0xad40180, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:284
#12 0x0149f4a4 in QDrag::exec (this=0xad40180, supportedActions=...) at kernel/qdrag.cpp:239
#13 0x062d3da0 in AbstractTaskItem::mouseMoveEvent (this=0xac312b0, event=0xbfffb034) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:427
#14 0x01b36770 in QGraphicsItem::sceneEvent (this=0xac312b8, event=0xbfffb034) at graphicsview/qgraphicsitem.cpp:6663
#15 0x01b8dd37 in QGraphicsWidget::sceneEvent (this=0xac312b0, event=0xbfffb034) at graphicsview/qgraphicswidget.cpp:1173
#16 0x01b4eac9 in QGraphicsScenePrivate::sendEvent (this=0x9a1db28, item=0xac312b8, event=0xbfffb034) at graphicsview/qgraphicsscene.cpp:1211
#17 0x01b50e13 in QGraphicsScenePrivate::sendMouseEvent (this=0x9a1db28, mouseEvent=0xbfffb034) at graphicsview/qgraphicsscene.cpp:1285
#18 0x01b5532d in QGraphicsScene::mouseMoveEvent (this=0x9a3a640, mouseEvent=0xbfffb034) at graphicsview/qgraphicsscene.cpp:4085
#19 0x01b69b9d in QGraphicsScene::event (this=0x9a3a640, event=0xbfffb034) at graphicsview/qgraphicsscene.cpp:3437
#20 0x0148777c in QApplicationPrivate::notify_helper (this=0x993e558, receiver=0x9a3a640, e=0xbfffb034) at kernel/qapplication.cpp:4396
#21 0x0148d7ce in QApplication::notify (this=0x992ee00, receiver=0x9a3a640, e=0xbfffb034) at kernel/qapplication.cpp:3798
#22 0x01169a9a in KApplication::notify (this=0x992ee00, receiver=0x9a3a640, event=0xbfffb034) at ../../kdeui/kernel/kapplication.cpp:310
#23 0x077f1feb in QCoreApplication::notifyInternal (this=0x992ee00, receiver=0x9a3a640, event=0xbfffb034) at kernel/qcoreapplication.cpp:732
#24 0x0148733e in QCoreApplication::sendSpontaneousEvent (receiver=0x9a3a640, event=0x9bb6c20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#25 qt_sendSpontaneousEvent (receiver=0x9a3a640, event=0x9bb6c20) at kernel/qapplication.cpp:5388
#26 0x01b87a52 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0xa523118, event=0xbfffb870) at graphicsview/qgraphicsview.cpp:647
#27 0x01b87c96 in QGraphicsView::mouseMoveEvent (this=0x9f310e8, event=0xbfffb870) at graphicsview/qgraphicsview.cpp:3272
#28 0x014e51aa in QWidget::event (this=0x9f310e8, event=0xbfffb870) at kernel/qwidget.cpp:8143
#29 0x01904fb3 in QFrame::event (this=0x9f310e8, e=0xbfffb870) at widgets/qframe.cpp:557
#30 0x019a1e42 in QAbstractScrollArea::viewportEvent (this=0x11, e=0x9bb6c20) at widgets/qabstractscrollarea.cpp:1043
#31 0x01b854bb in QGraphicsView::viewportEvent (this=0x9f310e8, event=0xbfffb870) at graphicsview/qgraphicsview.cpp:2862
#32 0x019a4885 in QAbstractScrollAreaPrivate::viewportEvent (this=0xa4a6c28, o=0x9caca20, e=0xbfffb870) at widgets/qabstractscrollarea_p.h:100
#33 QAbstractScrollAreaFilter::eventFilter (this=0xa4a6c28, o=0x9caca20, e=0xbfffb870) at widgets/qabstractscrollarea_p.h:116
#34 0x077f174a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x993e558, receiver=0x9caca20, event=0xbfffb870) at kernel/qcoreapplication.cpp:847
#35 0x01487759 in QApplicationPrivate::notify_helper (this=0x993e558, receiver=0x9caca20, e=0xbfffb870) at kernel/qapplication.cpp:4392
#36 0x0148e167 in QApplication::notify (this=0x992ee00, receiver=0x9caca20, e=0xbfffb870) at kernel/qapplication.cpp:3959
#37 0x01169a9a in KApplication::notify (this=0x992ee00, receiver=0x9caca20, event=0xbfffb870) at ../../kdeui/kernel/kapplication.cpp:310
#38 0x077f1feb in QCoreApplication::notifyInternal (this=0x992ee00, receiver=0x9caca20, event=0xbfffb870) at kernel/qcoreapplication.cpp:732
#39 0x0148c812 in QCoreApplication::sendEvent (receiver=0x9caca20, event=0xbfffb870, alienWidget=0x9caca20, nativeWidget=0x9f310e8, buttonDown=0x1e1d3c0, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#40 QApplicationPrivate::sendMouseEvent (receiver=0x9caca20, event=0xbfffb870, alienWidget=0x9caca20, nativeWidget=0x9f310e8, buttonDown=0x1e1d3c0, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:3058
#41 0x0151b0d8 in QETWidget::translateMouseEvent (this=0x9f310e8, event=0xbfffbd8c) at kernel/qapplication_x11.cpp:4403
#42 0x0151a569 in QApplication::x11ProcessEvent (this=0x992ee00, event=0xbfffbd8c) at kernel/qapplication_x11.cpp:3414
#43 0x0154956a in x11EventSourceDispatch (s=0x9941368, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#44 0x04c815e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#45 0x04c852d8 in ?? () from /lib/libglib-2.0.so.0
#46 0x04c854b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#47 0x078207f5 in QEventDispatcherGlib::processEvents (this=0x9918568, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#48 0x01548de5 in QGuiEventDispatcherGlib::processEvents (this=0x9918568, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x077f0a99 in QEventLoop::processEvents (this=0xbfffc084, flags=) at kernel/qeventloop.cpp:149
#50 0x077f0f1a in QEventLoop::exec (this=0xbfffc084, flags=...) at kernel/qeventloop.cpp:201
#51 0x077f54cf in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#52 0x014865a7 in QApplication::exec () at kernel/qapplication.cpp:3672
#53 0x00568b1e in kdemain (argc=1, argv=0xbfffc294) at ../../../../plasma/desktop/shell/main.cpp:118
#54 0x0804860b in main (argc=1, argv=0xbfffc294) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 219153.

Possible duplicates by query: bug 224548, bug 223612, bug 219153.

Reported using DrKonqi