Bug 252553

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic i686
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Plasma crashed, while I try to delete panel widget

 -- Backtrace:
Application: Рабочее пространство Plasma (kdeinit4), signal: Aborted
[Current thread is 1 (Thread 0xb7855aa0 (LWP 3278))]

Thread 4 (Thread 0xab67eb70 (LWP 3281)):
#0  0x00121422 in __kernel_vsyscall ()
#1  0x00a23cf3 in ?? () from /lib/tls/i686/cmov/libc.so.6
#2  0x009ba697 in ?? () from /lib/tls/i686/cmov/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0xaae5db70 (LWP 11568)):
#0  0x00121422 in __kernel_vsyscall ()
#1  0x00a23cf3 in ?? () from /lib/tls/i686/cmov/libc.so.6
#2  0x009ba697 in ?? () from /lib/tls/i686/cmov/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0xaa468b70 (LWP 12510)):
#0  0x00121422 in __kernel_vsyscall ()
#1  0x00bc8015 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x03c499d7 in mergeDecommittedStates (this=0xaa468308, start=0xaa468df4) at ../JavaScriptCore/wtf/FastMalloc.cpp:1648
#3  WTF::TCMalloc_PageHeap::Delete (this=0xaa468308, start=0xaa468df4) at ../JavaScriptCore/wtf/FastMalloc.cpp:1686
#4  WTF::TCMalloc_Central_FreeList::ReleaseToSpans (this=0xaa468308, start=0xaa468df4) at ../JavaScriptCore/wtf/FastMalloc.cpp:2419
#5  WTF::TCMalloc_Central_FreeList::ReleaseListToSpans (this=0xaa468308, start=0xaa468df4) at ../JavaScriptCore/wtf/FastMalloc.cpp:2378
#6  0x03c49a21 in WTF::TCMalloc_Central_FreeList::ShrinkCache (this=0x49f2da0, locked_size_class=-1438217360, force=112) at ../JavaScriptCore/wtf/FastMalloc.cpp:2473
#7  0x00bc396e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x00a16a0e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7855aa0 (LWP 3278)):
[KCrash Handler]
#6  0x00121422 in __kernel_vsyscall ()
#7  0x00973651 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0x00976a82 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0x009aa49d in ?? () from /lib/tls/i686/cmov/libc.so.6
#10 0x009b4591 in ?? () from /lib/tls/i686/cmov/libc.so.6
#11 0x009b5de8 in ?? () from /lib/tls/i686/cmov/libc.so.6
#12 0x009b8ecd in free () from /lib/tls/i686/cmov/libc.so.6
#13 0x0090e741 in operator delete(void*) () from /usr/lib/libstdc++.so.6
#14 0x08cbb019 in QWidget::setCursor (this=0xbfbcefe0, cursor=...) at kernel/qwidget.cpp:4795
#15 0x041273a7 in QWebPage::action (this=0xac8b550, action=-1078135204) at ../WebKit/qt/Api/qwebpage.cpp:2334
#16 0x04107788 in ~RefPtr (this=0xac6a5e00) at ../JavaScriptCore/wtf/RefPtr.h:53
#17 ~String (this=0xac6a5e00) at platform/text/PlatformString.h:69
#18 WebCore::PluginData::initPlugins (this=0xac6a5e00) at plugins/qt/PluginDataQt.cpp:92
#19 0x03f791f1 in AtomicString (this=0xbfbcf724, response=...) at platform/text/AtomicString.h:36
#20 WebCore::EventSource::didReceiveResponse (this=0xbfbcf724, response=...) at page/EventSource.cpp:169
#21 0x03f793a0 in WTF::RefCounted<WebCore::StringImpl>::deref (this=0xac695a5c, response=...) at ../JavaScriptCore/wtf/RefCounted.h:109
#22 derefIfNotNull<WebCore::StringImpl> (this=0xac695a5c, response=...) at ../JavaScriptCore/wtf/PassRefPtr.h:42
#23 ~RefPtr (this=0xac695a5c, response=...) at ../JavaScriptCore/wtf/RefPtr.h:53
#24 ~String (this=0xac695a5c, response=...) at platform/text/PlatformString.h:69
#25 ~AtomicString (this=0xac695a5c, response=...) at platform/text/AtomicString.h:31
#26 WebCore::EventSource::didReceiveResponse (this=0xac695a5c, response=...) at page/EventSource.cpp:169
#27 0x0412668a in QWebPage::action (this=0xbccab60, action=-1078134600) at ../WebKit/qt/Api/qwebpage.cpp:2189
#28 0x0412c76f in WTF::RefCounted<WebCore::StringImpl>::deref (this=0xaec5730) at ../JavaScriptCore/wtf/RefCounted.h:109
#29 derefIfNotNull<WebCore::StringImpl> (this=0xaec5730) at ../JavaScriptCore/wtf/PassRefPtr.h:42
#30 ~RefPtr (this=0xaec5730) at ../JavaScriptCore/wtf/RefPtr.h:53
#31 ~String (this=0xaec5730) at platform/text/PlatformString.h:69
#32 ~QWebFrameData (this=0xaec5730) at ../WebKit/qt/Api/qwebframe_p.h:42
#33 QWebPagePrivate::createMainFrame (this=0xaec5730) at ../WebKit/qt/Api/qwebpage.cpp:448
#34 0x086a5c79 in Plasma::WebView::hoverMoveEvent (this=0xadb91a0, event=0xbfbd00bc) at ../../plasma/widgets/webview.cpp:280
#35 0xa3f4b77c in sipPlasma_WebView::hoverMoveEvent(QGraphicsSceneHoverEvent*) () from /usr/lib/pymodules/python2.6/PyKDE4/plasma.so
#36 0x092de5cc in QGraphicsItem::sceneEvent (this=0xbfbd00bc, event=0xadb91a0) at graphicsview/qgraphicsitem.cpp:6487
#37 0x09330057 in QGraphicsWidget::sceneEvent (this=0xadb91a0, event=0xbfbd00bc) at graphicsview/qgraphicswidget.cpp:1129
#38 0xa3f27284 in sipPlasma_WebView::sceneEvent(QEvent*) () from /usr/lib/pymodules/python2.6/PyKDE4/plasma.so
#39 0x092f3d99 in QGraphicsScenePrivate::sendEvent (this=0x99a8148, item=0xadb91a0, event=0xbfbd00bc) at graphicsview/qgraphicsscene.cpp:1181
#40 0x0862e507 in Plasma::KineticScrolling::eventFilter (this=0xb02cba0, watched=0xadb91a0, event=0xbfbd00bc) at ../../plasma/private/kineticscroll.cpp:385
#41 0x0050acda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9920ed8, receiver=0xadb91a0, event=0xbfbd00bc) at kernel/qcoreapplication.cpp:819
#42 0x08c5d4b9 in QApplicationPrivate::notify_helper (this=0x9920ed8, receiver=0xadb91a0, e=0xbfbd00bc) at kernel/qapplication.cpp:4296
#43 0x08c6405e in QApplication::notify (this=0x992fbe8, receiver=0xadb91a0, e=0xbfbd00bc) at kernel/qapplication.cpp:3704
#44 0x01106f2a in KApplication::notify (this=0x992fbe8, receiver=0xadb91a0, event=0xbfbd00bc) at ../../kdeui/kernel/kapplication.cpp:302
#45 0x0050ba3b in QCoreApplication::notifyInternal (this=0x992fbe8, receiver=0xadb91a0, event=0xbfbd00bc) at kernel/qcoreapplication.cpp:704
#46 0x092f3d77 in QCoreApplication::sendEvent (this=0x99a8148, item=0xadb91a8, event=0xbfbd00bc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#47 QGraphicsScenePrivate::sendEvent (this=0x99a8148, item=0xadb91a8, event=0xbfbd00bc) at graphicsview/qgraphicsscene.cpp:1177
#48 0x092f40de in QGraphicsScenePrivate::sendHoverEvent (this=0x99a8148, type=QEvent::GraphicsSceneHoverMove, item=0xadb91a8, hoverEvent=0xbfbd01cc) at graphicsview/qgraphicsscene.cpp:1228
#49 0x092fa0cf in QGraphicsScenePrivate::dispatchHoverEvent (this=0x99a8148, hoverEvent=0xbfbd01cc) at graphicsview/qgraphicsscene.cpp:3874
#50 0x092fa308 in QGraphicsScene::mouseMoveEvent (this=0x9a09298, mouseEvent=0xbfbd0754) at graphicsview/qgraphicsscene.cpp:4026
#51 0x0930975d in QGraphicsScene::event (this=0x9a09298, event=0xbfbd0754) at graphicsview/qgraphicsscene.cpp:3391
#52 0x08c5d4dc in QApplicationPrivate::notify_helper (this=0x9920ed8, receiver=0x9a09298, e=0xbfbd0754) at kernel/qapplication.cpp:4300
#53 0x08c6405e in QApplication::notify (this=0x992fbe8, receiver=0x9a09298, e=0xbfbd0754) at kernel/qapplication.cpp:3704
#54 0x01106f2a in KApplication::notify (this=0x992fbe8, receiver=0x9a09298, event=0xbfbd0754) at ../../kdeui/kernel/kapplication.cpp:302
#55 0x0050ba3b in QCoreApplication::notifyInternal (this=0x992fbe8, receiver=0x9a09298, event=0xbfbd0754) at kernel/qcoreapplication.cpp:704
#56 0x08c5e2be in QCoreApplication::sendSpontaneousEvent (receiver=0x9a09298, event=0x6) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#57 qt_sendSpontaneousEvent (receiver=0x9a09298, event=0x6) at kernel/qapplication.cpp:5279
#58 0x0932a5f2 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0xa2d08c0, event=0xbfbd0f90) at graphicsview/qgraphicsview.cpp:645
#59 0x0932a836 in QGraphicsView::mouseMoveEvent (this=0xa2cfd00, event=0xbfbd0f90) at graphicsview/qgraphicsview.cpp:3197
#60 0x08cbb69a in QWidget::event (this=0xa2cfd00, event=0xbfbd0f90) at kernel/qwidget.cpp:7983
#61 0x090b7fd3 in QFrame::event (this=0xa2cfd00, e=0xbfbd0f90) at widgets/qframe.cpp:557
#62 0x09152382 in QAbstractScrollArea::viewportEvent (this=0xcce, e=0x6) at widgets/qabstractscrollarea.cpp:1036
#63 0x0932806b in QGraphicsView::viewportEvent (this=0xa2cfd00, event=0xbfbd0f90) at graphicsview/qgraphicsview.cpp:2787
#64 0x09154c65 in QAbstractScrollAreaPrivate::viewportEvent (this=0x9fd9c38, o=0xa2f8d80, e=0xbfbd0f90) at widgets/qabstractscrollarea_p.h:100
#65 QAbstractScrollAreaFilter::eventFilter (this=0x9fd9c38, o=0xa2f8d80, e=0xbfbd0f90) at widgets/qabstractscrollarea_p.h:116
#66 0x0050acda in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x9920ed8, receiver=0xa2f8d80, event=0xbfbd0f90) at kernel/qcoreapplication.cpp:819
#67 0x08c5d4b9 in QApplicationPrivate::notify_helper (this=0x9920ed8, receiver=0xa2f8d80, e=0xbfbd0f90) at kernel/qapplication.cpp:4296
#68 0x08c649f7 in QApplication::notify (this=0x992fbe8, receiver=0xa2f8d80, e=0xbfbd0f90) at kernel/qapplication.cpp:3865
#69 0x01106f2a in KApplication::notify (this=0x992fbe8, receiver=0xa2f8d80, event=0xbfbd0f90) at ../../kdeui/kernel/kapplication.cpp:302
#70 0x0050ba3b in QCoreApplication::notifyInternal (this=0x992fbe8, receiver=0xa2f8d80, event=0xbfbd0f90) at kernel/qcoreapplication.cpp:704
#71 0x08c63952 in QCoreApplication::sendEvent (receiver=0xa2f8d80, event=0xbfbd0f90, alienWidget=0xa2f8d80, nativeWidget=0xa2cfd00, buttonDown=0x95a1058, lastMouseReceiver=..., spontaneous=true)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#72 QApplicationPrivate::sendMouseEvent (receiver=0xa2f8d80, event=0xbfbd0f90, alienWidget=0xa2f8d80, nativeWidget=0xa2cfd00, buttonDown=0x95a1058, lastMouseReceiver=..., spontaneous=true)
    at kernel/qapplication.cpp:2965
#73 0x08cef088 in QETWidget::translateMouseEvent (this=0xa2cfd00, event=0xbfbd14ac) at kernel/qapplication_x11.cpp:4368
#74 0x08cee511 in QApplication::x11ProcessEvent (this=0x992fbe8, event=0xbfbd14ac) at kernel/qapplication_x11.cpp:3379
#75 0x08d1d60a in x11EventSourceDispatch (s=0x9923be8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#76 0x0394c5e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#77 0x039502d8 in ?? () from /lib/libglib-2.0.so.0
#78 0x039504b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#79 0x005375d5 in QEventDispatcherGlib::processEvents (this=0x9920d80, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#80 0x08d1d135 in QGuiEventDispatcherGlib::processEvents (this=0x9920d80, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#81 0x0050a059 in QEventLoop::processEvents (this=0xbfbd17a4, flags=) at kernel/qeventloop.cpp:149
#82 0x0050a4aa in QEventLoop::exec (this=0xbfbd17a4, flags=...) at kernel/qeventloop.cpp:201
#83 0x0050e69f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#84 0x08c5d577 in QApplication::exec () at kernel/qapplication.cpp:3579
#85 0x0619105e in kdemain (argc=1, argv=0x9931930) at ../../../../plasma/desktop/shell/main.cpp:112
#86 0x0804e133 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x98eac80 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051465 "0") at ../../kinit/kinit.cpp:717
#87 0x0804ec6d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#88 0x0804f190 in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1402
#89 0x0804fe4f in main (argc=4, argv=0xbfbd2254, envp=0xbfbd2268) at ../../kinit/kinit.cpp:1845

Reported using DrKonqi