Bug 298571

Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: Moving Icontasks widgets on panel.
-Pithos seems to be involved; additionally, often when I close Pithos important things seem to crash.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1ab0740 (LWP 2502))]

Thread 4 (Thread 0xa7b72b40 (LWP 3079)):
#0  0xb777e424 in __kernel_vsyscall ()
#1  0xb7619380 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0xb2bb5a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2ba806e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2ba81c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb644b8e7 in QEventDispatcherGlib::processEvents (this=0xa7200468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb641750d in QEventLoop::processEvents (this=0xa7b72240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb64177a9 in QEventLoop::exec (this=0xa7b72240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb630094c in QThread::exec (this=0x9e6dd30) at thread/qthread.cpp:501
#9  0xb63f4b5d in QInotifyFileSystemWatcherEngine::run (this=0x9e6dd30) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb6303de0 in QThreadPrivate::start (arg=0x9e6dd30) at thread/qthread_unix.cpp:298
#11 0xb2cb8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb7627ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa6f4db40 (LWP 3080)):
#0  0xb2b768b7 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x00000000 in ?? ()

Thread 2 (Thread 0xa571bb40 (LWP 3083)):
#0  0xb777e424 in __kernel_vsyscall ()
#1  0xb2cbc96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb76353dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3c79029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb3c7906f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2cb8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb7627ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1ab0740 (LWP 2502)):
[KCrash Handler]
#7  Plasma::Applet::config (this=0xa370a58) at ../../plasma/applet.cpp:452
#8  0xae330efd in meth_Plasma_Applet_config (sipSelf=<PopupApplet at remote 0xa494a94>, sipArgs=()) at sip/plasma/sipplasmapart6.cpp:16466
#9  0xaf04a8cf in PyCFunction_Call () from /usr/lib/libpython2.7.so.1.0
#10 0xaefa98bf in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#11 0xaefa9d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#12 0xaefa9d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#13 0xaefa9d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#14 0xaef5f4d2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#15 0xaef5f688 in function_call () from /usr/lib/libpython2.7.so.1.0
#16 0xaf049464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#17 0xaefb2e50 in instancemethod_call.8741 () from /usr/lib/libpython2.7.so.1.0
#18 0xaf049464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#19 0xaf049dfb in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#20 0xaf20a584 in sip_api_invoke_slot (slot=0xbcb14bc, sigargs=()) at /build/buildd/sip4-4.13.2/siplib/qtlib.c:203
#21 0xaec3cbad in PyQtProxy::invokeSlot(qpycore_slot const&, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#22 0xaec3d0ef in PyQtProxy::unislot(void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#23 0xaec3d1fb in PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#24 0xb641fc9d in metacall (argv=0xc612b10, idx=5, cl=QMetaObject::InvokeMetaMethod, object=0xbcb14a0) at kernel/qmetaobject.cpp:245
#25 QMetaObject::metacall (object=0xbcb14a0, cl=QMetaObject::InvokeMetaMethod, idx=5, argv=0xc612b10) at kernel/qmetaobject.cpp:240
#26 0xb642f9bd in QMetaObject::activate (sender=0xb5325c0, m=0xa4cf8e0, local_signal_index=0, argv=0xc612b10) at kernel/qobject.cpp:3566
#27 0xb6430118 in QMetaObject::activate (sender=0xb5325c0, signal_index=4, argv=0xc612b10) at kernel/qobject.cpp:3623
#28 0xb643014b in QMetaObject::activate (sender=0xb5325c0, from_signal_index=4, to_signal_index=4, argv=0xc612b10) at kernel/qobject.cpp:3442
#29 0xaec425bf in qpycore_emit(QObject*, int, Chimera::Signature const*, _object*) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#30 0xaec398f5 in pyqtBoundSignal_emit () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#31 0xaf04a8cf in PyCFunction_Call () from /usr/lib/libpython2.7.so.1.0
#32 0xaefa98bf in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#33 0xaef5f4d2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#34 0xaef5f77c in function_call () from /usr/lib/libpython2.7.so.1.0
#35 0xaf049464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#36 0xaefa6460 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#37 0xaefa9d97 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#38 0xaef5f4d2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#39 0xaef5f688 in function_call () from /usr/lib/libpython2.7.so.1.0
#40 0xaf049464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#41 0xaefb2e50 in instancemethod_call.8741 () from /usr/lib/libpython2.7.so.1.0
#42 0xaf049464 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#43 0xaf0644f4 in PyObject_CallFunctionObjArgs () from /usr/lib/libpython2.7.so.1.0
#44 0xad1a187e in DBusPyConnection_HandleMessage (conn=0xa53fe6c, msg=<dbus.lowlevel.SignalMessage at remote 0xa669870>, callable=<instancemethod at remote 0xa0421bc>) at ../../_dbus_bindings/conn.c:79
#45 0xad1a252f in _filter_message (conn=0xa468df8, message=0xc7d7c70, user_data=0xa0421bc) at ../../_dbus_bindings/conn-methods.c:199
#46 0xb2c72441 in dbus_connection_dispatch () from /lib/i386-linux-gnu/libdbus-1.so.3
#47 0xad2ce9a3 in ?? () from /usr/lib/python2.7/dist-packages/dbus/mainloop/qt.so
#48 0xad2cede5 in ?? () from /usr/lib/python2.7/dist-packages/dbus/mainloop/qt.so
#49 0xad2cf7a2 in ?? () from /usr/lib/python2.7/dist-packages/dbus/mainloop/qt.so
#50 0xb642f6b1 in QMetaObject::activate (sender=0xa447b20, m=0xb6576478, local_signal_index=0, argv=0xbfdb0238) at kernel/qobject.cpp:3547
#51 0xb6482455 in QSocketNotifier::activated (this=0xa447b20, _t1=13) at .moc/release-shared/moc_qsocketnotifier.cpp:103
#52 0xb64380df in QSocketNotifier::event (this=0xa447b20, e=0xbfdb0684) at kernel/qsocketnotifier.cpp:317
#53 0xb5903ed4 in notify_helper (e=0xbfdb0684, receiver=0xa447b20, this=0x9d5a148) at kernel/qapplication.cpp:4559
#54 QApplicationPrivate::notify_helper (this=0x9d5a148, receiver=0xa447b20, e=0xbfdb0684) at kernel/qapplication.cpp:4531
#55 0xb590930d in QApplication::notify (this=0xbfdb0684, receiver=0xa447b20, e=0xbfdb0684) at kernel/qapplication.cpp:4288
#56 0xb6ab2b21 in KApplication::notify (this=0x9d566d8, receiver=0xa447b20, event=0xbfdb0684) at ../../kdeui/kernel/kapplication.cpp:311
#57 0xb641897e in QCoreApplication::notifyInternal (this=0x9d566d8, receiver=0xa447b20, event=0xbfdb0684) at kernel/qcoreapplication.cpp:876
#58 0xb644af48 in sendEvent (event=0xbfdb0684, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#59 socketNotifierSourceDispatch (source=0x9d6f538) at kernel/qeventdispatcher_glib.cpp:110
#60 0xb2ba7cda in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#61 0xb2ba80e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#62 0xb2ba81c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#63 0xb644b887 in QEventDispatcherGlib::processEvents (this=0x9d18ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#64 0xb59bcaaa in QGuiEventDispatcherGlib::processEvents (this=0x9d18ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#65 0xb641750d in QEventLoop::processEvents (this=0xbfdb08c4, flags=...) at kernel/qeventloop.cpp:149
#66 0xb64177a9 in QEventLoop::exec (this=0xbfdb08c4, flags=...) at kernel/qeventloop.cpp:204
#67 0xb641ceba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#68 0xb5901a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#69 0xb7732a7b in kdemain (argc=1, argv=0xbfdb0ac4) at ../../../../plasma/desktop/shell/main.cpp:120
#70 0x0804850b in main (argc=1, argv=0xbfdb0ac4) at plasma-desktop_dummy.cpp:3

Reported using DrKonqi