Bug 236330

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.31-20-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
When I removed some of my widgets (think it was a widget that displays the CPU), Plasma crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76e7aa0 (LWP 5970))]

Thread 3 (Thread 0xaa58cb70 (LWP 5972)):
#0  0x02256e16 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x00ec66fb in qt_gettime () at kernel/qcore_unix.cpp:111
#2  0x00ecb825 in QTimerInfoList::updateCurrentTime (this=0xa9c01834) at kernel/qeventdispatcher_unix.cpp:340
#3  0x00ecb86a in QTimerInfoList::timerWait (this=0xa9c01834, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x00ec9818 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xaa58c0cc) at kernel/qeventdispatcher_glib.cpp:136
#5  0x00ec98a5 in timerSourcePrepare (source=0x0, timeout=0x225aff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x04369aca in IA__g_main_context_prepare (context=0xa9c004d8, priority=0xaa58c14c) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2280
#7  0x04369ee9 in g_main_context_iterate (context=0xa9c004d8, block=<value optimized out>, dispatch=1, self=0xa9c01aa0) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2571
#8  0x0436a4b8 in IA__g_main_context_iteration (context=0xa9c004d8, may_block=1) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2654
#9  0x00ec960f in QEventDispatcherGlib::processEvents (this=0x9fe7970, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x00e9c059 in QEventLoop::processEvents (this=0xaa58c290, flags=) at kernel/qeventloop.cpp:149
#11 0x00e9c4aa in QEventLoop::exec (this=0xaa58c290, flags=...) at kernel/qeventloop.cpp:201
#12 0x00d985a8 in QThread::exec (this=0x9fe7098) at thread/qthread.cpp:487
#13 0x00e7bc1b in QInotifyFileSystemWatcherEngine::run (this=0x9fe7098) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x00d9b32e in QThreadPrivate::start (arg=0x9fe7098) at thread/qthread_unix.cpp:248
#15 0x003f996e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x0690ca0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa9bffb70 (LWP 10562)):
#0  0x003e5422 in __kernel_vsyscall ()
#1  0x003fe015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x046639d7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x540cda0) at ../JavaScriptCore/wtf/FastMalloc.cpp:2299
#3  0x04663a21 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x540cda0) at ../JavaScriptCore/wtf/FastMalloc.cpp:1433
#4  0x003f996e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0x0690ca0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb76e7aa0 (LWP 5970)):
[KCrash Handler]
#6  0x0113905f in QWidget::testAttribute_helper (this=0xbff129a8, attribute=170760472) at kernel/qwidget.cpp:10533
#7  0x04b413dc in QWebPageWidgetClient::cursor (this=0xaeb2460) at ../WebKit/qt/Api/qwebpage.cpp:207
#8  0x04b217c0 in QWebPageClient::setCursor (this=0xac41fe00, cursor=...) at platform/qt/QWebPageClient.h:55
#9  WebCore::Widget::setCursor (this=0xac41fe00, cursor=...) at platform/qt/WidgetQt.cpp:88
#10 0x049931f1 in WebCore::EventHandler::handleMouseMoveEvent (this=0xac40fa5c, mouseEvent=..., hoveredNode=0xbff12ac4) at page/EventHandler.cpp:1404
#11 0x049933a0 in WebCore::EventHandler::mouseMoved (this=0xac40fa5c, event=...) at page/EventHandler.cpp:1313
#12 0x04b4068a in QWebPagePrivate::mouseMoveEvent (this=0xac79858, ev=0xbff12c08) at ../WebKit/qt/Api/qwebpage.cpp:703
#13 0x04b4676f in QWebPage::event (this=0xb1034f8, ev=0xbff12c08) at ../WebKit/qt/Api/qwebpage.cpp:2497
#14 0x01fbfc79 in Plasma::WebView::hoverMoveEvent (this=0xb0b9ad8, event=0xbff1336c) at ../../plasma/widgets/webview.cpp:280
#15 0x017695cc in QGraphicsItem::sceneEvent (this=0xb0b9ae0, event=0xbff1336c) at graphicsview/qgraphicsitem.cpp:6487
#16 0x017bb057 in QGraphicsWidget::sceneEvent (this=0xb0b9ad8, event=0xbff1336c) at graphicsview/qgraphicswidget.cpp:1129
#17 0x0177ed99 in QGraphicsScenePrivate::sendEvent (this=0x9ab85e8, item=0xb0b9ae0, event=0xbff1336c) at graphicsview/qgraphicsscene.cpp:1181
#18 0x01f48507 in Plasma::KineticScrolling::eventFilter (this=0xafc7728, watched=0xb0b9ad8, event=0xbff1336c) at ../../plasma/private/kineticscroll.cpp:385
#19 0x00e9ccda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9a17270, receiver=0xb0b9ad8, event=0xbff1336c) at kernel/qcoreapplication.cpp:819
#20 0x010e84b9 in QApplicationPrivate::notify_helper (this=0x9a17270, receiver=0xb0b9ad8, e=0xbff1336c) at kernel/qapplication.cpp:4296
#21 0x010ef05e in QApplication::notify (this=0x9a11088, receiver=0xb0b9ad8, e=0xbff1336c) at kernel/qapplication.cpp:3704
#22 0x008b2f2a in KApplication::notify (this=0x9a11088, receiver=0xb0b9ad8, event=0xbff1336c) at ../../kdeui/kernel/kapplication.cpp:302
#23 0x00e9da3b in QCoreApplication::notifyInternal (this=0x9a11088, receiver=0xb0b9ad8, event=0xbff1336c) at kernel/qcoreapplication.cpp:704
#24 0x0177ed77 in QCoreApplication::sendEvent (this=0x9ab85e8, item=0xb0b9ae0, event=0xbff1336c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QGraphicsScenePrivate::sendEvent (this=0x9ab85e8, item=0xb0b9ae0, event=0xbff1336c) at graphicsview/qgraphicsscene.cpp:1177
#26 0x0177f0de in QGraphicsScenePrivate::sendHoverEvent (this=0x9ab85e8, type=QEvent::GraphicsSceneHoverMove, item=0xb0b9ae0, hoverEvent=0xbff1347c) at graphicsview/qgraphicsscene.cpp:1228
#27 0x017850cf in QGraphicsScenePrivate::dispatchHoverEvent (this=0x9ab85e8, hoverEvent=0xbff1347c) at graphicsview/qgraphicsscene.cpp:3874
#28 0x01785308 in QGraphicsScene::mouseMoveEvent (this=0x9a776b0, mouseEvent=0xbff13a04) at graphicsview/qgraphicsscene.cpp:4026
#29 0x0179475d in QGraphicsScene::event (this=0x9a776b0, event=0xbff13a04) at graphicsview/qgraphicsscene.cpp:3391
#30 0x010e84dc in QApplicationPrivate::notify_helper (this=0x9a17270, receiver=0x9a776b0, e=0xbff13a04) at kernel/qapplication.cpp:4300
#31 0x010ef05e in QApplication::notify (this=0x9a11088, receiver=0x9a776b0, e=0xbff13a04) at kernel/qapplication.cpp:3704
#32 0x008b2f2a in KApplication::notify (this=0x9a11088, receiver=0x9a776b0, event=0xbff13a04) at ../../kdeui/kernel/kapplication.cpp:302
#33 0x00e9da3b in QCoreApplication::notifyInternal (this=0x9a11088, receiver=0x9a776b0, event=0xbff13a04) at kernel/qcoreapplication.cpp:704
#34 0x010e92be in QCoreApplication::sendSpontaneousEvent (receiver=0x9a776b0, event=0x0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#35 qt_sendSpontaneousEvent (receiver=0x9a776b0, event=0x0) at kernel/qapplication.cpp:5279
#36 0x017b55f2 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0xa2a1bb8, event=0xbff14240) at graphicsview/qgraphicsview.cpp:645
#37 0x017b5836 in QGraphicsView::mouseMoveEvent (this=0xa2be348, event=0xbff14240) at graphicsview/qgraphicsview.cpp:3197
#38 0x0114669a in QWidget::event (this=0xa2be348, event=0xbff14240) at kernel/qwidget.cpp:7983
#39 0x01542fd3 in QFrame::event (this=0xa2be348, e=0xbff14240) at widgets/qframe.cpp:557
#40 0x015dd382 in QAbstractScrollArea::viewportEvent (this=0x21, e=0x0) at widgets/qabstractscrollarea.cpp:1036
#41 0x017b306b in QGraphicsView::viewportEvent (this=0xa2be348, event=0xbff14240) at graphicsview/qgraphicsview.cpp:2787
#42 0x015dfc65 in QAbstractScrollAreaPrivate::viewportEvent (this=0x9f47d68, o=0xb343900, e=0xbff14240) at widgets/qabstractscrollarea_p.h:100
#43 QAbstractScrollAreaFilter::eventFilter (this=0x9f47d68, o=0xb343900, e=0xbff14240) at widgets/qabstractscrollarea_p.h:116
#44 0x00e9ccda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9a17270, receiver=0xb343900, event=0xbff14240) at kernel/qcoreapplication.cpp:819
#45 0x010e84b9 in QApplicationPrivate::notify_helper (this=0x9a17270, receiver=0xb343900, e=0xbff14240) at kernel/qapplication.cpp:4296
#46 0x010ef9f7 in QApplication::notify (this=0x9a11088, receiver=0xb343900, e=0xbff14240) at kernel/qapplication.cpp:3865
#47 0x008b2f2a in KApplication::notify (this=0x9a11088, receiver=0xb343900, event=0xbff14240) at ../../kdeui/kernel/kapplication.cpp:302
#48 0x00e9da3b in QCoreApplication::notifyInternal (this=0x9a11088, receiver=0xb343900, event=0xbff14240) at kernel/qcoreapplication.cpp:704
#49 0x010ee952 in QCoreApplication::sendEvent (receiver=0xb343900, event=0xbff14240, alienWidget=0xb343900, nativeWidget=0xa2be348, buttonDown=0x1a2c058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#50 QApplicationPrivate::sendMouseEvent (receiver=0xb343900, event=0xbff14240, alienWidget=0xb343900, nativeWidget=0xa2be348, buttonDown=0x1a2c058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#51 0x0117a088 in QETWidget::translateMouseEvent (this=0xa2be348, event=0xbff1475c) at kernel/qapplication_x11.cpp:4368
#52 0x01179511 in QApplication::x11ProcessEvent (this=0x9a11088, event=0xbff1475c) at kernel/qapplication_x11.cpp:3379
#53 0x011a860a in x11EventSourceDispatch (s=0x9a19fa8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#54 0x043665e5 in g_main_dispatch (context=0x9a19290) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:1960
#55 IA__g_main_context_dispatch (context=0x9a19290) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2513
#56 0x0436a2d8 in g_main_context_iterate (context=0x9a19290, block=<value optimized out>, dispatch=1, self=0x9a16928) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2591
#57 0x0436a4b8 in IA__g_main_context_iteration (context=0x9a19290, may_block=1) at /build/buildd/glib2.0-2.24.0/glib/gmain.c:2654
#58 0x00ec95d5 in QEventDispatcherGlib::processEvents (this=0x9a16f40, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#59 0x011a8135 in QGuiEventDispatcherGlib::processEvents (this=0x9a16f40, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#60 0x00e9c059 in QEventLoop::processEvents (this=0xbff14a54, flags=) at kernel/qeventloop.cpp:149
#61 0x00e9c4aa in QEventLoop::exec (this=0xbff14a54, flags=...) at kernel/qeventloop.cpp:201
#62 0x00ea069f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#63 0x010e8577 in QApplication::exec () at kernel/qapplication.cpp:3579
#64 0x0569805e in kdemain (argc=1, argv=0x9a05be8) at ../../../../plasma/desktop/shell/main.cpp:112
#65 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x99e1668 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#66 0x0804ec6d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#67 0x0804f190 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#68 0x0804fe4f in main (argc=4, argv=0xbff15504, envp=0xbff15518) at ../../kinit/kinit.cpp:1845

This bug may be a duplicate of or related to bug 236022.

Possible duplicates by query: bug 236022.

Reported using DrKonqi