Bug 259187

Application: plasma-desktop (0.4)
KDE Platform Version: 4.5.80 (4.6 Beta1)
Qt Version: 4.7.1
Operating System: Linux 2.6.31.14-0.4-default i686
Distribution: "openSUSE 11.2 (i586)"

-- Information about the crash:
- What I was doing when the application crashed: When trying to remove a desktop activity from the activities tab, the desktop crashed.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb594c700 (LWP 2310))]

Thread 4 (Thread 0xaa334b70 (LWP 2313)):
#0  0xb5c111eb in clock_gettime () from /lib/librt.so.1
#1  0xb6e49d45 in do_gettime (frac=<value optimized out>, sec=<value optimized out>) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime (frac=<value optimized out>, sec=<value optimized out>) at tools/qelapsedtimer_unix.cpp:140
#3  0xb6f26d06 in QTimerInfoList::updateCurrentTime (this=0x8531b54) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb6f26d4e in QTimerInfoList::timerWait (this=0x8531b54, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6f24dbb in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaa33412c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb6f24e5d in timerSourcePrepare (source=0x0, timeout=0xb5c15ff4) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb5b83618 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#8  0xb5b83999 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0xb5b83ebe in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#10 0xb6f24bbf in QEventDispatcherGlib::processEvents (this=0x8530578, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb6ef3d2d in QEventLoop::processEvents (this=0xaa3342c0, flags=) at kernel/qeventloop.cpp:149
#12 0xb6ef41b9 in QEventLoop::exec (this=0xaa3342c0, flags=...) at kernel/qeventloop.cpp:201
#13 0xb6de895b in QThread::exec (this=0x852d638) at thread/qthread.cpp:490
#14 0xb6ed16cd in QInotifyFileSystemWatcherEngine::run (this=0x852d638) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb6debd4a in QThreadPrivate::start (arg=0x852d638) at thread/qthread_unix.cpp:285
#16 0xb6d6e6e5 in start_thread () from /lib/libpthread.so.0
#17 0xb6d6e600 in ?? () from /lib/libpthread.so.0

Thread 3 (Thread 0xa8679b70 (LWP 2534)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb6d72d95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb3822147 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb39261a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#3  0xb382218f in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb39261a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#4  0xb6d6e6e5 in start_thread () from /lib/libpthread.so.0
#5  0xb6d6e600 in ?? () from /lib/libpthread.so.0

Thread 2 (Thread 0xa52e0b70 (LWP 21421)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb6d730c2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6dec92c in wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:86
#3  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:160
#4  0xb6de15a6 in QThreadPoolThread::run (this=0x8b4d908) at concurrent/qthreadpool.cpp:140
#5  0xb6debd4a in QThreadPrivate::start (arg=0x8b4d908) at thread/qthread_unix.cpp:285
#6  0xb6d6e6e5 in start_thread () from /lib/libpthread.so.0
#7  0xb6d6e600 in ?? () from /lib/libpthread.so.0

Thread 1 (Thread 0xb594c700 (LWP 2310)):
[KCrash Handler]
#7  0xb6dd0d89 in QVariantAnimationPrivate::recalculateCurrentInterval (this=0x90c01f8, force=false) at animation/qvariantanimation.cpp:237
#8  0xb260ab6f in Plasma::AbstractIcon::fadeBackground (this=0x9c6a980, duration=150) at /usr/src/debug/kdebase-workspace-4.5.80/libs/plasmagenericshell/abstracticon.cpp:319
#9  0xb260c754 in Plasma::AbstractIcon::setSelected (this=0x9c6a980, selected=false) at /usr/src/debug/kdebase-workspace-4.5.80/libs/plasmagenericshell/abstracticon.cpp:217
#10 0xb2609739 in Plasma::AbstractIconList::itemSelected (this=0x95554c8, icon=0x9c4fd20) at /usr/src/debug/kdebase-workspace-4.5.80/libs/plasmagenericshell/abstracticonlist.cpp:185
#11 0xb260011d in Plasma::AbstractIconList::qt_metacall (this=0x95554c8, _c=InvokeMetaMethod, _id=38, _a=0xbf98c648)
    at /usr/src/debug/kdebase-workspace-4.5.80/build/libs/plasmagenericshell/moc_abstracticonlist.cpp:85
#12 0xb26e7492 in ActivityList::qt_metacall (this=0x95554c8, _c=InvokeMetaMethod, _id=38, _a=0xbf98c648) at /usr/src/debug/kdebase-workspace-4.5.80/build/plasma/desktop/shell/moc_activitylist.cpp:72
#13 0xb6efb11d in QMetaObject::metacall (object=0x95554c8, cl=115, idx=38, argv=0xbf98c648) at kernel/qmetaobject.cpp:237
#14 0xb6f0e65c in QMetaObject::activate (sender=0x9c4fd20, m=0xb2646d70, local_signal_index=3, argv=0xbf98c648) at kernel/qobject.cpp:3272
#15 0xb26004d5 in Plasma::AbstractIcon::clicked (this=0x9c4fd20, _t1=0x9c4fd20) at /usr/src/debug/kdebase-workspace-4.5.80/build/libs/plasmagenericshell/moc_abstracticon.cpp:155
#16 0xb260b659 in Plasma::AbstractIcon::mouseReleaseEvent (this=0x9c4fd20, event=0xbf98ce0c) at /usr/src/debug/kdebase-workspace-4.5.80/libs/plasmagenericshell/abstracticon.cpp:186
#17 0xb6a8fef7 in QGraphicsItem::sceneEvent (this=0x9c4fd28, event=0xbf98ce0c) at graphicsview/qgraphicsitem.cpp:6701
#18 0xb6ae7436 in QGraphicsWidget::sceneEvent (this=0x9c4fd20, event=0xbf98ce0c) at graphicsview/qgraphicswidget.cpp:1175
#19 0xb6aa7084 in QGraphicsScenePrivate::sendEvent (this=0x813d2d8, item=0x9c4fd28, event=0xbf98ce0c) at graphicsview/qgraphicsscene.cpp:1207
#20 0xb6aa974b in QGraphicsScenePrivate::sendMouseEvent (this=0x813d2d8, mouseEvent=0xbf98ce0c) at graphicsview/qgraphicsscene.cpp:1281
#21 0xb6ab04e7 in QGraphicsScene::mouseReleaseEvent (this=0x813cf88, mouseEvent=0xbf98ce0c) at graphicsview/qgraphicsscene.cpp:4107
#22 0xb6ac281c in QGraphicsScene::event (this=0x813cf88, event=0xbf98ce0c) at graphicsview/qgraphicsscene.cpp:3440
#23 0xb63bd6ac in QApplicationPrivate::notify_helper (this=0x80ce578, receiver=0x813cf88, e=0xbf98ce0c) at kernel/qapplication.cpp:4445
#24 0xb63c27d8 in QApplication::notify (this=0x80c7528, receiver=0x813cf88, e=0xbf98ce0c) at kernel/qapplication.cpp:4324
#25 0xb75e6521 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0xb6ef527e in QCoreApplication::notifyInternal (this=0x80c7528, receiver=0x813cf88, event=0xbf98ce0c) at kernel/qcoreapplication.cpp:732
#27 0xb63bcc4d in sendSpontaneousEvent (event=<value optimized out>, receiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:218
#28 qt_sendSpontaneousEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qapplication.cpp:5439
#29 0xb6ae086c in QGraphicsView::mouseReleaseEvent (this=0x9342048, event=0xbf98d590) at graphicsview/qgraphicsview.cpp:3336
#30 0xb641ddf3 in QWidget::event (this=0x9342048, event=0xbf98d590) at kernel/qwidget.cpp:8200
#31 0xb6851a55 in QFrame::event (this=0x9342048, e=0xbf98d590) at widgets/qframe.cpp:557
#32 0xb68f0ea1 in QAbstractScrollArea::viewportEvent (this=0x73, e=0x30000c5) at widgets/qabstractscrollarea.cpp:1043
#33 0xb6ade964 in QGraphicsView::viewportEvent (this=0x9342048, event=0xbf98d590) at graphicsview/qgraphicsview.cpp:2864
#34 0xb68f3946 in viewportEvent (event=<value optimized out>, this=<value optimized out>) at widgets/qabstractscrollarea_p.h:100
#35 QAbstractScrollAreaFilter::eventFilter (event=<value optimized out>, this=<value optimized out>) at widgets/qabstractscrollarea_p.h:116
#36 0xb6ef49ce in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x80ce578, receiver=0x9145038, event=0xbf98d590) at kernel/qcoreapplication.cpp:847
#37 0xb63bd67d in QApplicationPrivate::notify_helper (this=0x80ce578, receiver=0x9145038, e=0xbf98d590) at kernel/qapplication.cpp:4441
#38 0xb63c31b9 in QApplication::notify (this=0xbf98d2c4, receiver=0x9145038, e=0xbf98d590) at kernel/qapplication.cpp:4006
#39 0xb75e6521 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#40 0xb6ef527e in QCoreApplication::notifyInternal (this=0x80c7528, receiver=0x9145038, event=0xbf98d590) at kernel/qcoreapplication.cpp:732
#41 0xb63c20e4 in sendSpontaneousEvent (event=<value optimized out>, receiver=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:218
#42 QApplicationPrivate::sendMouseEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qapplication.cpp:3103
#43 0xb645456a in QETWidget::translateMouseEvent (this=0x90f3b80, event=0xbf98da9c) at kernel/qapplication_x11.cpp:4438
#44 0xb6453a54 in QApplication::x11ProcessEvent (this=0x80c7528, event=0xbf98da9c) at kernel/qapplication_x11.cpp:3442
#45 0xb64816b8 in x11EventSourceDispatch (s=0x80d11e8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#46 0xb5b804c2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#47 0xb5b83d98 in ?? () from /usr/lib/libglib-2.0.so.0
#48 0xb5b83ebe in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#49 0xb6f24b71 in QEventDispatcherGlib::processEvents (this=0x80ce370, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#50 0xb6480f5a in QGuiEventDispatcherGlib::processEvents (this=0x80ce370, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#51 0xb6ef3d2d in QEventLoop::processEvents (this=0xbf98dd54, flags=) at kernel/qeventloop.cpp:149
#52 0xb6ef41b9 in QEventLoop::exec (this=0xbf98dd54, flags=...) at kernel/qeventloop.cpp:201
#53 0xb6ef9810 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#54 0xb63bbd24 in QApplication::exec () at kernel/qapplication.cpp:3719
#55 0xb2701841 in kdemain (argc=1, argv=0x80c2cf0) at /usr/src/debug/kdebase-workspace-4.5.80/plasma/desktop/shell/main.cpp:118
#56 0x0804efbc in _start ()

Reported using DrKonqi