Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.3 (KDE 4.4.3)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
I was moving my mouse and trying to change tabs in firefox.
Suddenly the system slowed down and then plasma crashed.

 -- Backtrace:
Application: Plasma 工作区 (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb774faa0 (LWP 1154))]

Thread 2 (Thread 0xa8b85b70 (LWP 1156)):
#0  0x00a2ee16 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x008026fb in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0x00807825 in QTimerInfoList::updateCurrentTime (this=0x8c0b25c) at kernel/qeventdispatcher_unix.cpp:340
#3  0x0080786a in QTimerInfoList::timerWait (this=0x8c0b25c, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x00805818 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xa8b850cc) at kernel/qeventdispatcher_glib.cpp:136
#5  0x008058a5 in timerSourcePrepare (source=0x0, timeout=0xa32ff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x031d4aca in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0x031d4ee9 in ?? () from /lib/libglib-2.0.so.0
#8  0x031d54b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0x0080560f in QEventDispatcherGlib::processEvents (this=0x8c0b090, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x007d8059 in QEventLoop::processEvents (this=0xa8b85290, flags=) at kernel/qeventloop.cpp:149
#11 0x007d84aa in QEventLoop::exec (this=0xa8b85290, flags=...) at kernel/qeventloop.cpp:201
#12 0x006d45a8 in QThread::exec (this=0x8c07018) at thread/qthread.cpp:487
#13 0x007b7c1b in QInotifyFileSystemWatcherEngine::run (this=0x8c07018) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x006d732e in QThreadPrivate::start (arg=0x8c07018) at thread/qthread_unix.cpp:248
#15 0x0091996e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x0509aa0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb774faa0 (LWP 1154)):
[KCrash Handler]
#6  0x00000011 in ?? ()
#7  0x0131359b in Plasma::Corona::popupPosition (this=0x8b48448, item=0x8b4bcb8, s=..., alignment=Qt::AlignCenter) at ../../plasma/corona.cpp:673
#8  0x013c36f1 in Plasma::ToolTipManager::setContent (this=0x89f2c20, widget=0x8b4bcb0, data=...) at ../../plasma/tooltipmanager.cpp:248
#9  0x059074d5 in Pager::updateToolTip (this=0x8b4bcb0) at ../../../../../plasma/desktop/applets/pager/pager.cpp:1334
#10 0x05907aa7 in Pager::handleHoverMove (this=0x8b4bcb0, pos=...) at ../../../../../plasma/desktop/applets/pager/pager.cpp:915
#11 0x05907e34 in Pager::hoverEnterEvent (this=0x8b4bcb0, event=0xbff7a7ac) at ../../../../../plasma/desktop/applets/pager/pager.cpp:962
#12 0x021b85e2 in QGraphicsItem::sceneEvent (this=0x8b4bcb8, event=0xbff7a7ac) at graphicsview/qgraphicsitem.cpp:6484
#13 0x0220a057 in QGraphicsWidget::sceneEvent (this=0x8b4bcb0, event=0xbff7a7ac) at graphicsview/qgraphicswidget.cpp:1129
#14 0x021cdd99 in QGraphicsScenePrivate::sendEvent (this=0x85b5228, item=0x8b4bcb8, event=0xbff7a7ac) at graphicsview/qgraphicsscene.cpp:1181
#15 0x021ce0de in QGraphicsScenePrivate::sendHoverEvent (this=0x85b5228, type=QEvent::GraphicsSceneHoverEnter, item=0x8b4bcb8, hoverEvent=0xbff7a8bc) at graphicsview/qgraphicsscene.cpp:1228
#16 0x021d3fcc in QGraphicsScenePrivate::dispatchHoverEvent (this=0x85b5228, hoverEvent=0xbff7a8bc) at graphicsview/qgraphicsscene.cpp:3867
#17 0x021d4308 in QGraphicsScene::mouseMoveEvent (this=0x8617260, mouseEvent=0xbff7ae44) at graphicsview/qgraphicsscene.cpp:4026
#18 0x021e375d in QGraphicsScene::event (this=0x8617260, event=0xbff7ae44) at graphicsview/qgraphicsscene.cpp:3391
#19 0x01b374dc in QApplicationPrivate::notify_helper (this=0x855eb30, receiver=0x8617260, e=0xbff7ae44) at kernel/qapplication.cpp:4300
#20 0x01b3e05e in QApplication::notify (this=0x8555f48, receiver=0x8617260, e=0xbff7ae44) at kernel/qapplication.cpp:3704
#21 0x00e7bf5a in KApplication::notify (this=0x8555f48, receiver=0x8617260, event=0xbff7ae44) at ../../kdeui/kernel/kapplication.cpp:302
#22 0x007d9a3b in QCoreApplication::notifyInternal (this=0x8555f48, receiver=0x8617260, event=0xbff7ae44) at kernel/qcoreapplication.cpp:704
#23 0x01b382be in QCoreApplication::sendSpontaneousEvent (receiver=0x8617260, event=0x8637b98) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#24 qt_sendSpontaneousEvent (receiver=0x8617260, event=0x8637b98) at kernel/qapplication.cpp:5279
#25 0x022045f2 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0x8edd010, event=0xbff7b680) at graphicsview/qgraphicsview.cpp:645
#26 0x02204836 in QGraphicsView::mouseMoveEvent (this=0x8c61930, event=0xbff7b680) at graphicsview/qgraphicsview.cpp:3197
#27 0x01b9569a in QWidget::event (this=0x8c61930, event=0xbff7b680) at kernel/qwidget.cpp:7983
#28 0x01f91fd3 in QFrame::event (this=0x8c61930, e=0xbff7b680) at widgets/qframe.cpp:557
#29 0x0202c382 in QAbstractScrollArea::viewportEvent (this=0xbff7a348, e=0x8637b98) at widgets/qabstractscrollarea.cpp:1036
#30 0x0220206b in QGraphicsView::viewportEvent (this=0x8c61930, event=0xbff7b680) at graphicsview/qgraphicsview.cpp:2787
#31 0x0202ec65 in QAbstractScrollAreaPrivate::viewportEvent (this=0x8e14bd0, o=0x8c4cc98, e=0xbff7b680) at widgets/qabstractscrollarea_p.h:100
#32 QAbstractScrollAreaFilter::eventFilter (this=0x8e14bd0, o=0x8c4cc98, e=0xbff7b680) at widgets/qabstractscrollarea_p.h:116
#33 0x007d8cda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x855eb30, receiver=0x8c4cc98, event=0xbff7b680) at kernel/qcoreapplication.cpp:819
#34 0x01b374b9 in QApplicationPrivate::notify_helper (this=0x855eb30, receiver=0x8c4cc98, e=0xbff7b680) at kernel/qapplication.cpp:4296
#35 0x01b3e9f7 in QApplication::notify (this=0x8555f48, receiver=0x8c4cc98, e=0xbff7b680) at kernel/qapplication.cpp:3865
#36 0x00e7bf5a in KApplication::notify (this=0x8555f48, receiver=0x8c4cc98, event=0xbff7b680) at ../../kdeui/kernel/kapplication.cpp:302
#37 0x007d9a3b in QCoreApplication::notifyInternal (this=0x8555f48, receiver=0x8c4cc98, event=0xbff7b680) at kernel/qcoreapplication.cpp:704
#38 0x01b3d952 in QCoreApplication::sendEvent (receiver=0x8c4cc98, event=0xbff7b680, alienWidget=0x8c4cc98, nativeWidget=0x8c61930, buttonDown=0x247b058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QApplicationPrivate::sendMouseEvent (receiver=0x8c4cc98, event=0xbff7b680, alienWidget=0x8c4cc98, nativeWidget=0x8c61930, buttonDown=0x247b058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#40 0x01bc9088 in QETWidget::translateMouseEvent (this=0x8c61930, event=0xbff7bb9c) at kernel/qapplication_x11.cpp:4368
#41 0x01bc8511 in QApplication::x11ProcessEvent (this=0x8555f48, event=0xbff7bb9c) at kernel/qapplication_x11.cpp:3379
#42 0x01bf760a in x11EventSourceDispatch (s=0x8561900, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x031d15e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#44 0x031d52d8 in ?? () from /lib/libglib-2.0.so.0
#45 0x031d54b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#46 0x008055d5 in QEventDispatcherGlib::processEvents (this=0x855b040, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#47 0x01bf7135 in QGuiEventDispatcherGlib::processEvents (this=0x855b040, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x007d8059 in QEventLoop::processEvents (this=0xbff7be94, flags=) at kernel/qeventloop.cpp:149
#49 0x007d84aa in QEventLoop::exec (this=0xbff7be94, flags=...) at kernel/qeventloop.cpp:201
#50 0x007dc69f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#51 0x01b37577 in QApplication::exec () at kernel/qapplication.cpp:3579
#52 0x078f305e in kdemain (argc=1, argv=0x8553600) at ../../../../plasma/desktop/shell/main.cpp:112
#53 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x85531e8 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#54 0x0804ec6d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#55 0x0804f190 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#56 0x0804fe4f in main (argc=4, argv=0xbff7c944, envp=0xbff7c958) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 214943, bug 214349.

Reported using DrKonqi