Application: plasma-desktop (4.11.10)
KDE Platform Version: 4.13.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-32-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:

I upgraded Ubuntu from 13.04 the from 13.10 to 14.04. From that frist step on, trying to configure the Google Calendar widget crashed plasma-desktop until the next boot.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff23878f7c0 (LWP 9485))]

Thread 7 (Thread 0x7ff209be8700 (LWP 9595)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff231447ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff231448039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff22bcf4182 in start_thread (arg=0x7ff209be8700) at pthread_create.c:312
#4  0x00007ff23809530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7ff183664700 (LWP 9659)):
#0  0x00007ff22b6248ba in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff22b624d39 in g_private_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff22b6083b0 in g_thread_self () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff22b5e30dd in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff234c5d7be in QEventDispatcherGlib::processEvents (this=0x7ff17c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007ff234c2f0af in QEventLoop::processEvents (this=this@entry=0x7ff183663de0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ff234c2f3a5 in QEventLoop::exec (this=this@entry=0x7ff183663de0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007ff234b2bc5f in QThread::exec (this=this@entry=0x19af9f0) at thread/qthread.cpp:537
#8  0x00007ff234c10823 in QInotifyFileSystemWatcherEngine::run (this=0x19af9f0) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007ff234b2e32f in QThreadPrivate::start (arg=0x19af9f0) at thread/qthread_unix.cpp:349
#10 0x00007ff22bcf4182 in start_thread (arg=0x7ff183664700) at pthread_create.c:312
#11 0x00007ff23809530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7ff181c47700 (LWP 9677)):
#0  0x00007ff22b62462a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff22b624989 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff22b5e2bc6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff22b5e3048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff22b5e30ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff234c5d7be in QEventDispatcherGlib::processEvents (this=0x7ff1740008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007ff234c2f0af in QEventLoop::processEvents (this=this@entry=0x7ff181c46de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ff234c2f3a5 in QEventLoop::exec (this=this@entry=0x7ff181c46de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ff234b2bc5f in QThread::exec (this=this@entry=0x1cfbc50) at thread/qthread.cpp:537
#9  0x00007ff234c10823 in QInotifyFileSystemWatcherEngine::run (this=0x1cfbc50) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007ff234b2e32f in QThreadPrivate::start (arg=0x1cfbc50) at thread/qthread_unix.cpp:349
#11 0x00007ff22bcf4182 in start_thread (arg=0x7ff181c47700) at pthread_create.c:312
#12 0x00007ff23809530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7ff17ac92700 (LWP 9700)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff23300a81d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ff23300a859 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ff22bcf4182 in start_thread (arg=0x7ff17ac92700) at pthread_create.c:312
#4  0x00007ff23809530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7ff12c166700 (LWP 9721)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff232d4b20d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ff233039fd6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ff22bcf4182 in start_thread (arg=0x7ff12c166700) at pthread_create.c:312
#4  0x00007ff23809530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7ff12a2ed700 (LWP 9726)):
#0  0x00007ff238087fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff22b5e2fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff22b5e30ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff234c5d7be in QEventDispatcherGlib::processEvents (this=0x7ff11c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007ff234c2f0af in QEventLoop::processEvents (this=this@entry=0x7ff12a2ece20, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff234c2f3a5 in QEventLoop::exec (this=this@entry=0x7ff12a2ece20, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff234b2bc5f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:537
#7  0x00007ff234b2e32f in QThreadPrivate::start (arg=0x1df3060) at thread/qthread_unix.cpp:349
#8  0x00007ff22bcf4182 in start_thread (arg=0x7ff12a2ed700) at pthread_create.c:312
#9  0x00007ff23809530d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ff23878f7c0 (LWP 9485)):
[KCrash Handler]
#6  length (this=0x2546828) at ../../include/QtCore/../../src/corelib/tools/qstring.h:697
#7  QString::toUcs4 (this=0x2546828) at tools/qstring.cpp:3810
#8  0x00007ff20d334ab0 in qpycore_PyObject_FromQString(QString const&) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#9  0x00007ff20dac03ca in _PyObject_Str (v=0x7ff1800ddf50) at ../Objects/object.c:430
#10 0x00007ff20dac058a in PyObject_Str (v=<optimized out>) at ../Objects/object.c:451
#11 0x00007ff20da5ab2a in string_new.24162 (type=0x7ff20ded6600 <PyString_Type>, args=<optimized out>, kwds=<optimized out>) at ../Objects/stringobject.c:3706
#12 0x00007ff20dabf493 in type_call.26491 (type=0x7ff20ded6600 <PyString_Type>, args=0x7ff20a22f850, kwds=0x0) at ../Objects/typeobject.c:729
#13 0x00007ff20dabce23 in PyObject_Call (func=func@entry=0x7ff20ded6600 <PyString_Type>, arg=arg@entry=0x7ff20a22f850, kw=kw@entry=0x0) at ../Objects/abstract.c:2529
#14 0x00007ff20daf0816 in do_call (nk=<optimized out>, na=1, pp_stack=0x7fff264770b0, func=0x7ff20ded6600 <PyString_Type>) at ../Python/ceval.c:4238
#15 call_function (oparg=<optimized out>, pp_stack=0x7fff264770b0) at ../Python/ceval.c:4043
#16 PyEval_EvalFrameEx (f=f@entry=0x20036c0, throwflag=throwflag@entry=0) at ../Python/ceval.c:2666
#17 0x00007ff20daf517d in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x7ff20a22f828, argcount=1, kws=kws@entry=0x0, kwcount=kwcount@entry=0, defs=defs@entry=0x0, defcount=defcount@entry=0, closure=0x0) at ../Python/ceval.c:3252
#18 0x00007ff20daf5310 in function_call.15737 (func=0x7ff180153e60, arg=0x7ff20a22f810, kw=0x0) at ../Objects/funcobject.c:526
#19 0x00007ff20dabce23 in PyObject_Call (func=func@entry=0x7ff180153e60, arg=arg@entry=0x7ff20a22f810, kw=kw@entry=0x0) at ../Objects/abstract.c:2529
#20 0x00007ff20da1030d in instancemethod_call.8988 (func=0x7ff180153e60, arg=0x7ff20a22f810, kw=0x0) at ../Objects/classobject.c:2602
#21 0x00007ff20dabce23 in PyObject_Call (func=func@entry=0x7ff20d6f9be0, arg=arg@entry=0x7ff20d750050, kw=<optimized out>) at ../Objects/abstract.c:2529
#22 0x00007ff20da7b837 in PyEval_CallObjectWithKeywords (func=func@entry=0x7ff20d6f9be0, arg=arg@entry=0x7ff20d750050, kw=kw@entry=0x0) at ../Python/ceval.c:3889
#23 0x00007ff20cf82048 in sip_api_invoke_slot (slot=<optimized out>, sigargs=0x7ff20a21eed0) at /build/buildd/sip4-4.15.5/siplib/qtlib.c:203
#24 0x00007ff20d330a26 in PyQtProxy::invokeSlot(qpycore_slot const&, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#25 0x00007ff20d330d40 in PyQtProxy::unislot(void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#26 0x00007ff20d3318dd in PyQtProxy::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/python2.7/dist-packages/PyQt4/QtCore.so
#27 0x00007ff234c44a78 in QMetaObject::activate (sender=0x100d3c0, m=m@entry=0x7ff235d0f500 <KWallet::Wallet::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fff26477760) at kernel/qobject.cpp:3569
#28 0x00007ff2359fbbd2 in KWallet::Wallet::walletOpened (this=<optimized out>, _t1=true) at ./kwallet.moc:166
#29 0x00007ff234c4487a in QMetaObject::activate (sender=0x1b2f330, m=m@entry=0x7ff235d10500 <OrgKdeKWalletInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=4, argv=argv@entry=0x7fff26477890) at kernel/qobject.cpp:3539
#30 0x00007ff235a2a45f in OrgKdeKWalletInterface::walletAsyncOpened (this=<optimized out>, _t1=4, _t2=600055512) at kwallet_interface.moc:323
#31 0x00007ff235a2cca1 in OrgKdeKWalletInterface::qt_static_metacall (_o=0x1b2f330, _id=0, _id@entry=4, _a=0x7fff26477b80, _c=<optimized out>) at kwallet_interface.moc:161
#32 0x00007ff235a2ce13 in qt_static_metacall (_a=0x7fff26477b80, _id=4, _c=QMetaObject::InvokeMetaMethod, _o=0x1b2f330) at kwallet_interface.moc:285
#33 OrgKdeKWalletInterface::qt_metacall (this=0x1b2f330, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff26477b80) at kwallet_interface.moc:286
#34 0x00007ff234fbc1f6 in QDBusConnectionPrivate::deliverCall (this=0x8e1090, object=0x1b2f330, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:951
#35 0x00007ff234c48c1e in QObject::event (this=0x1b2f330, e=<optimized out>) at kernel/qobject.cpp:1194
#36 0x00007ff233fc9e2c in QApplicationPrivate::notify_helper (this=this@entry=0x8e9a70, receiver=receiver@entry=0x1b2f330, e=e@entry=0x1379490) at kernel/qapplication.cpp:4567
#37 0x00007ff233fd04a0 in QApplication::notify (this=this@entry=0x8cf470, receiver=receiver@entry=0x1b2f330, e=e@entry=0x1379490) at kernel/qapplication.cpp:4353
#38 0x00007ff2358f5d1a in KApplication::notify (this=0x8cf470, receiver=0x1b2f330, event=0x1379490) at ../../kdeui/kernel/kapplication.cpp:311
#39 0x00007ff234c304dd in QCoreApplication::notifyInternal (this=0x8cf470, receiver=receiver@entry=0x1b2f330, event=event@entry=0x1379490) at kernel/qcoreapplication.cpp:953
#40 0x00007ff234c33b3d in sendEvent (event=0x1379490, receiver=0x1b2f330) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#41 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x8501f0) at kernel/qcoreapplication.cpp:1577
#42 0x00007ff234c33fe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#43 0x00007ff234c5df83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#44 postEventSourceDispatch (s=0x8e8fb0) at kernel/qeventdispatcher_glib.cpp:287
#45 0x00007ff22b5e2e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007ff22b5e3048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007ff22b5e30ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007ff234c5d7a1 in QEventDispatcherGlib::processEvents (this=0x851af0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#49 0x00007ff23406bbb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007ff234c2f0af in QEventLoop::processEvents (this=this@entry=0x7fff26478220, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007ff234c2f3a5 in QEventLoop::exec (this=this@entry=0x7fff26478220, flags=...) at kernel/qeventloop.cpp:204
#52 0x00007ff234c34b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#53 0x00007ff233fc837c in QApplication::exec () at kernel/qapplication.cpp:3828
#54 0x00007ff23839c67c in kdemain (argc=1, argv=0x7fff26478478) at ../../../../plasma/desktop/shell/main.cpp:126
#55 0x00007ff237fbbec5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, argv=0x7fff26478478, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff26478468) at libc-start.c:287
#56 0x000000000040070e in _start ()

Possible duplicates by query: bug 296086.

Report to https://bugs.kde.org/