Bug 328123

Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.11.6-4-default i686
Distribution: "openSUSE 13.1 (Bottle) (i586)"

-- Information about the crash:
- What I was doing when the application crashed:
I clicked on the firefox and dolphin icons
- Unusual behavior I noticed:
The screen 'lagged' in a strange way..
- Custom settings of the application:
I disabled all desktop effects.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb54c9740 (LWP 1424))]

Thread 3 (Thread 0xad78ab40 (LWP 1425)):
#0  0xb77ce430 in __kernel_vsyscall ()
#1  0xb6c87f2c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb0ffa832 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=this@entry=0xb10f67e0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#3  0xb0ffa87f in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb10f67e0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#4  0xb6c8407a in start_thread () from /lib/libpthread.so.0
#5  0xb600780e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa5cffb40 (LWP 1428)):
#0  0xb6c8732a in __pthread_mutex_unlock_usercnt () from /lib/libpthread.so.0
#1  0xb59f9ca0 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#2  0xb59b5b02 in g_main_context_acquire () from /usr/lib/libglib-2.0.so.0
#3  0xb59b6998 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0xb59b6c38 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0xb6e4760f in QEventDispatcherGlib::processEvents (this=0xa5300468, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#6  0xb6e16a03 in QEventLoop::processEvents (this=this@entry=0xa5cff258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb6e16d29 in QEventLoop::exec (this=this@entry=0xa5cff258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb6d0530d in QThread::exec (this=this@entry=0xa01af48) at thread/qthread.cpp:536
#9  0xb6df6e14 in QInotifyFileSystemWatcherEngine::run (this=0xa01af48) at io/qfilesystemwatcher_inotify.cpp:256
#10 0xb6d07c5f in QThreadPrivate::start (arg=0xa01af48) at thread/qthread_unix.cpp:338
#11 0xb6c8407a in start_thread () from /lib/libpthread.so.0
#12 0xb600780e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb54c9740 (LWP 1424)):
[KCrash Handler]
#7  QObject::startTimer (this=this@entry=0xab22f88, interval=800) at kernel/qobject.cpp:1590
#8  0xb6e3649d in QTimer::start (this=this@entry=0xab22f88) at kernel/qtimer.cpp:218
#9  0xb6e364d2 in QTimer::start (this=0xab22f88, msec=msec@entry=800) at kernel/qtimer.cpp:234
#10 0xadd1aec3 in MouseEventListener::mousePressEvent (this=0xb51efc0, me=0xbf859d60) at /usr/src/debug/kde-runtime-4.11.2/plasma/declarativeimports/qtextracomponents/mouseeventlistener.cpp:110
#11 0xb6950edf in QGraphicsItem::sceneEvent (this=this@entry=0xb51efc8, event=event@entry=0xbf859d60) at graphicsview/qgraphicsitem.cpp:6747
#12 0xb0bd78f6 in QDeclarativeItem::sceneEvent (this=0xb51efc0, event=0xbf859d60) at graphicsitems/qdeclarativeitem.cpp:3047
#13 0xb697ab56 in QGraphicsScenePrivate::sendEvent (this=0x9708148, item=0xb51efc8, event=0xbf859d60) at graphicsview/qgraphicsscene.cpp:1221
#14 0xb697b096 in QGraphicsScenePrivate::sendMouseEvent (this=0x9708148, mouseEvent=0xbf859d60) at graphicsview/qgraphicsscene.cpp:1295
#15 0xb69860c7 in QGraphicsScenePrivate::mousePressEventHandler (this=this@entry=0x9708148, mouseEvent=mouseEvent@entry=0xbf859d60) at graphicsview/qgraphicsscene.cpp:1422
#16 0xb69865c7 in QGraphicsScene::mousePressEvent (this=0x96ad1d0, mouseEvent=0xbf859d60) at graphicsview/qgraphicsscene.cpp:4074
#17 0xb699005f in QGraphicsScene::event (this=0x96ad1d0, event=0xbf859d60) at graphicsview/qgraphicsscene.cpp:3455
#18 0xb63034b4 in QApplicationPrivate::notify_helper (this=0x96aa5e0, receiver=0x96ad1d0, e=0xbf859d60) at kernel/qapplication.cpp:4562
#19 0xb6309ee3 in QApplication::notify (this=0x9697b88, receiver=receiver@entry=0x96ad1d0, e=e@entry=0xbf859d60) at kernel/qapplication.cpp:4348
#20 0xb7568cb4 in KApplication::notify (this=0x9697b88, receiver=0x96ad1d0, event=0xbf859d60) at /usr/src/debug/kdelibs-4.11.2/kdeui/kernel/kapplication.cpp:311
#21 0xb6e17fba in QCoreApplication::notifyInternal (this=0x9697b88, receiver=receiver@entry=0x96ad1d0, event=event@entry=0xbf859d60) at kernel/qcoreapplication.cpp:949
#22 0xb6301b9d in sendSpontaneousEvent (event=0xbf859d60, receiver=0x96ad1d0) at ../../src/corelib/kernel/qcoreapplication.h:234
#23 qt_sendSpontaneousEvent (receiver=0x96ad1d0, event=event@entry=0xbf859d60) at kernel/qapplication.cpp:5560
#24 0xb69a9a35 in QGraphicsView::mousePressEvent (this=0xab19070, event=0xbf85a254) at graphicsview/qgraphicsview.cpp:3164
#25 0xb635d373 in QWidget::event (this=this@entry=0xab19070, event=event@entry=0xbf85a254) at kernel/qwidget.cpp:8372
#26 0xb6762cbc in QFrame::event (this=this@entry=0xab19070, e=e@entry=0xbf85a254) at widgets/qframe.cpp:557
#27 0xb67f1f68 in QAbstractScrollArea::viewportEvent (this=this@entry=0xab19070, e=e@entry=0xbf85a254) at widgets/qabstractscrollarea.cpp:1043
#28 0xb69aa9b7 in QGraphicsView::viewportEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsview.cpp:2866
#29 0xb67f21e6 in viewportEvent (event=0xbf85a254, this=<optimized out>) at widgets/qabstractscrollarea_p.h:100
#30 QAbstractScrollAreaFilter::eventFilter (this=0x9b4fd38, o=0xab26600, e=0xbf85a254) at widgets/qabstractscrollarea_p.h:116
#31 0xb6e1812e in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x96aa5e0, receiver=receiver@entry=0xab26600, event=event@entry=0xbf85a254) at kernel/qcoreapplication.cpp:1059
#32 0xb6303491 in QApplicationPrivate::notify_helper (this=0x96aa5e0, receiver=receiver@entry=0xab26600, e=0xbf85a254) at kernel/qapplication.cpp:4558
#33 0xb630b105 in QApplication::notify (this=0x9697b88, receiver=receiver@entry=0xab26600, e=e@entry=0xbf85a254) at kernel/qapplication.cpp:4105
#34 0xb7568cb4 in KApplication::notify (this=0x9697b88, receiver=0xab26600, event=0xbf85a254) at /usr/src/debug/kdelibs-4.11.2/kdeui/kernel/kapplication.cpp:311
#35 0xb6e17fba in QCoreApplication::notifyInternal (this=0x9697b88, receiver=receiver@entry=0xab26600, event=event@entry=0xbf85a254) at kernel/qcoreapplication.cpp:949
#36 0xb6309741 in sendSpontaneousEvent (event=0xbf85a254, receiver=0xab26600) at ../../src/corelib/kernel/qcoreapplication.h:234
#37 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0xab26600, event=0xbf85a254, alienWidget=0xab26600, nativeWidget=0xab19070, buttonDown=buttonDown@entry=0xb6c79c84 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3171
#38 0xb638a078 in QETWidget::translateMouseEvent (this=0xab19070, event=event@entry=0xbf85a46c) at kernel/qapplication_x11.cpp:4528
#39 0xb6388740 in QApplication::x11ProcessEvent (this=0x9697b88, event=event@entry=0xbf85a46c) at kernel/qapplication_x11.cpp:3651
#40 0xb63b3464 in x11EventSourceDispatch (s=0x96ab550, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#41 0xb59b67ce in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#42 0xb59b6b78 in ?? () from /usr/lib/libglib-2.0.so.0
#43 0xb59b6c38 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#44 0xb6e475ef in QEventDispatcherGlib::processEvents (this=this@entry=0x96a55c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#45 0xb63b351e in QGuiEventDispatcherGlib::processEvents (this=0x96a55c0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#46 0xb6e16a03 in QEventLoop::processEvents (this=this@entry=0xbf85a728, flags=...) at kernel/qeventloop.cpp:149
#47 0xb6e16d29 in QEventLoop::exec (this=this@entry=0xbf85a728, flags=...) at kernel/qeventloop.cpp:204
#48 0xb6e1c4fe in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#49 0xb6301944 in QApplication::exec () at kernel/qapplication.cpp:3823
#50 0xafad4f77 in kdemain (argc=1, argv=0x9625170) at /usr/src/debug/kde-workspace-4.11.2/plasma/desktop/shell/main.cpp:126
#51 0x0804fba3 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 327139.

Possible duplicates by query: bug 327139.

Reported using DrKonqi