Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-28-generic-pae i686
Distribution: Ubuntu 10.10

-- Information about the crash:
After login the Message apeear about the crash of the Plasma shell.
This occured after the update of packages on Friday
before I had RSS plasmoid and the microblog on the desktop.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77b5ad0 (LWP 2190))]

Thread 2 (Thread 0xb54f8b70 (LWP 2192)):
#0  0x006ce416 in __kernel_vsyscall ()
#1  0x04d634dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00270d9d in pthread_cond_wait () from /lib/libc.so.6
#3  0x05332877 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x54311a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x053328c1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x54311a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x04d5ecc9 in start_thread () from /lib/libpthread.so.0
#6  0x0026369e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb77b5ad0 (LWP 2190)):
[KCrash Handler]
#7  q_func (this=0x61727473, newVisible=false, explicitly=true, update=true) at graphicsview/qgraphicsitem_p.h:160
#8  QGraphicsItemPrivate::setVisibleHelper (this=0x61727473, newVisible=false, explicitly=true, update=true) at graphicsview/qgraphicsitem.cpp:2235
#9  0x025f9308 in QGraphicsItem::setVisible (this=0x730069, visible=<value optimized out>) at graphicsview/qgraphicsitem.cpp:2411
#10 0x0762fbf1 in hide (this=0x97c3318) at /usr/include/qt4/QtGui/qgraphicsitem.h:221
#11 MicroBlog::downloadHistory (this=0x97c3318) at ../../../applets/microblog/microblog.cpp:839
#12 0x07632500 in MicroBlog::configChanged (this=0x97c3318) at ../../../applets/microblog/microblog.cpp:344
#13 0x0762c9ab in MicroBlog::init (this=0x97c3318) at ../../../applets/microblog/microblog.cpp:88
#14 0x007d7efd in Plasma::Containment::addApplet (this=0x9658720, applet=0x97c3318, pos=..., delayInit=false) at ../../plasma/containment.cpp:921
#15 0x007d826d in Plasma::ContainmentPrivate::addApplet (this=0x971f488, name=..., args=..., appletGeometry=..., id=0, delayInit=<value optimized out>) at ../../plasma/containment.cpp:2311
#16 0x007d84e9 in Plasma::Containment::addApplet (this=0x9658720, name=..., args=..., appletGeometry=...) at ../../plasma/containment.cpp:849
#17 0x005b6a46 in WorkspaceScripting::Containment::addWidget (context=0xb47d00a0, engine=0xbfc63cf4) at ../../../libs/plasmagenericshell/scripting/containment.cpp:207
#18 0x05397a88 in QScript::FunctionWrapper::proxyCall (exec=<value optimized out>, callee=0xb4784980, thisObject=..., args=...) at bridge/qscriptfunction.cpp:82
#19 0x052990f5 in QTJSC::NativeFuncWrapper::operator() (this=0xbfc63938, exec=0xb47d00a0, jsobj=0xb4784980, thisValue=..., argList=...) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/CallData.cpp:46
#20 0x0526f249 in QTJSC::cti_op_call_NotJSFunction (args=0xbfc63984) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:1771
#21 0x030c3fb3 in ?? ()
#22 0x05222180 in execute (this=0xb4bf8360, eval=0xb4c0a038, callFrame=0x9659464, thisObj=0xb4780000, globalRegisterOffset=9, scopeChain=0xb4bf22b8, exception=0xbfc63b10) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITCode.h:79
#23 QTJSC::Interpreter::execute (this=0xb4bf8360, eval=0xb4c0a038, callFrame=0x9659464, thisObj=0xb4780000, globalRegisterOffset=9, scopeChain=0xb4bf22b8, exception=0xbfc63b10) at ../3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.cpp:886
#24 0x05222432 in QTJSC::Interpreter::execute (this=0xb4bf8360, eval=0xb4c0a038, callFrame=0x9659464, thisObj=0xb4780000, scopeChain=0xb4bf22b8, exception=0xbfc63b10) at ../3rdparty/javascriptcore/JavaScriptCore/interpreter/Interpreter.cpp:803
#25 0x0536c8f5 in QScriptEnginePrivate::evaluateHelper (this=0x94691c8, exec=0x9659464, sourceId=-1262540784, executable=0xb4c0a038, compile=@0xbfc63bbf) at api/qscriptengine.cpp:1359
#26 0x053757d3 in QScriptEngine::evaluate (this=0xbfc63cf4, program=..., fileName=..., lineNumber=1) at api/qscriptengine.cpp:2606
#27 0x005bf09f in WorkspaceScripting::ScriptEngine::evaluateScript (this=0xbfc63cf4, script=..., path=...) at ../../../libs/plasmagenericshell/scripting/scriptengine.cpp:360
#28 0x00ee4169 in DesktopCorona::evaluateScripts (this=0x94645a0, scripts=...) at ../../../../plasma/desktop/shell/desktopcorona.cpp:367
#29 0x00ee4807 in DesktopCorona::loadDefaultLayout (this=0x94645a0) at ../../../../plasma/desktop/shell/desktopcorona.cpp:384
#30 0x007ed9b3 in Plasma::Corona::initializeLayout (this=0x94645a0, configName=...) at ../../plasma/corona.cpp:400
#31 0x00f0e52a in PlasmaApp::corona (this=0x9457280) at ../../../../plasma/desktop/shell/plasmaapp.cpp:797
#32 0x00f0e90b in PlasmaApp::setupDesktop (this=0x9457280) at ../../../../plasma/desktop/shell/plasmaapp.cpp:299
#33 0x00f11677 in PlasmaApp::qt_metacall (this=0x9457280, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0x94d3498) at ./plasmaapp.moc:155
#34 0x0843b8ca in QMetaObject::metacall (object=0x9457280, cl=123961905, idx=45, argv=0x94d3498) at kernel/qmetaobject.cpp:237
#35 0x08446df6 in QMetaCallEvent::placeMetaCall (this=0x94f2ae8, object=0x9457280) at kernel/qobject.cpp:534
#36 0x084486a2 in QObject::event (this=0x9457280, e=0x0) at kernel/qobject.cpp:1219
#37 0x084359db in QCoreApplication::event (this=0x9457280, e=0x94f2ae8) at kernel/qcoreapplication.cpp:1561
#38 0x01f554d4 in QApplication::event (this=0x9457280, e=0x94f2ae8) at kernel/qapplication.cpp:2439
#39 0x01f51fdc in QApplicationPrivate::notify_helper (this=0x9464d20, receiver=0x9457280, e=0x94f2ae8) at kernel/qapplication.cpp:4396
#40 0x01f5804e in QApplication::notify (this=0x9457280, receiver=0x9457280, e=0x94f2ae8) at kernel/qapplication.cpp:3798
#41 0x0113882a in KApplication::notify (this=0x9457280, receiver=0x9457280, event=0x94f2ae8) at ../../kdeui/kernel/kapplication.cpp:311
#42 0x08435b3b in QCoreApplication::notifyInternal (this=0x9457280, receiver=0x9457280, event=0x94f2ae8) at kernel/qcoreapplication.cpp:732
#43 0x08438d8b in sendEvent (receiver=0x0, event_type=0, data=0x942a300) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#44 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x942a300) at kernel/qcoreapplication.cpp:1373
#45 0x08438f4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1266
#46 0x08464a74 in sendPostedEvents (s=0x9463e78) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#47 postEventSourceDispatch (s=0x9463e78) at kernel/qeventdispatcher_glib.cpp:277
#48 0x01796855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#49 0x0179a668 in ?? () from /lib/libglib-2.0.so.0
#50 0x0179a848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#51 0x08464565 in QEventDispatcherGlib::processEvents (this=0x9429fc0, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#52 0x02013be5 in QGuiEventDispatcherGlib::processEvents (this=0x9429fc0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#53 0x08434609 in QEventLoop::processEvents (this=0xbfc648a4, flags=) at kernel/qeventloop.cpp:149
#54 0x08434a8a in QEventLoop::exec (this=0xbfc648a4, flags=...) at kernel/qeventloop.cpp:201
#55 0x0843900f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#56 0x01f50e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#57 0x00ef01e7 in kdemain (argc=1, argv=0xbfc64ab4) at ../../../../plasma/desktop/shell/main.cpp:118
#58 0x080485bb in main (argc=1, argv=0xbfc64ab4) at plasma-desktop_dummy.cpp:3

This bug may be a duplicate of or related to bug 270327, bug 270452.

Possible duplicates by query: bug 270452, bug 270327, bug 248399.

Reported using DrKonqi