Bug 314668

Application: plasma-desktop (0.4)
KDE Platform Version: 4.10.00 (Compiled from sources)
Qt Version: 4.8.2
Operating System: Linux 3.2.0-37-generic x86_64
Distribution: Ubuntu 12.04.2 LTS

-- Information about the crash:
Plasma crash after the user starts by password. Then Bugs assist is running and Plasma run again.

The crash can be reproduced every time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffb568b3780 (LWP 1755))]

Thread 8 (Thread 0x7ffb3824f700 (LWP 1756)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffb511a4dec in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ffb511a4f19 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ffb4a353e9a in start_thread (arg=0x7ffb3824f700) at pthread_create.c:308
#4  0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ffb3793e700 (LWP 1757)):
#0  0x00007ffb5618f303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffb49c57036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb49c57164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb52d0a906 in QEventDispatcherGlib::processEvents (this=0x7ffb300008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007ffb52cd9e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ffb52cda097 in QEventLoop::exec (this=0x7ffb3793de00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ffb52bd9057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007ffb52bdc07b in QThreadPrivate::start (arg=0x11aef10) at thread/qthread_unix.cpp:307
#8  0x00007ffb4a353e9a in start_thread (arg=0x7ffb3793e700) at pthread_create.c:308
#9  0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ffb2d9e5700 (LWP 1758)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffb4fabd222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ffb4fabd259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ffb4a353e9a in start_thread (arg=0x7ffb2d9e5700) at pthread_create.c:308
#4  0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ffb2b96f700 (LWP 1759)):
#0  0x00007ffb5618d8bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007ffb49c918cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb49c56ba4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb49c56fd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffb49c57164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffb52d0a906 in QEventDispatcherGlib::processEvents (this=0x7ffb240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007ffb52cd9e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ffb52cda097 in QEventLoop::exec (this=0x7ffb2b96edd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ffb52bd9057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007ffb52cb9b4f in QInotifyFileSystemWatcherEngine::run (this=0x1bbe450) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007ffb52bdc07b in QThreadPrivate::start (arg=0x1bbe450) at thread/qthread_unix.cpp:307
#11 0x00007ffb4a353e9a in start_thread (arg=0x7ffb2b96f700) at pthread_create.c:308
#12 0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ffb29375700 (LWP 1761)):
#0  0x00007ffb5618f303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffb49c57036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb49c5749a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb29e5f406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffb49c789e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffb4a353e9a in start_thread (arg=0x7ffb29375700) at pthread_create.c:308
#6  0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffb0e8f5700 (LWP 1766)):
#0  0x00007fffc91ff8de in ?? ()
#1  0x00007ffb4b91c15d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007ffb52c32c64 in do_gettime (frac=0x7ffb0e8f4b98, sec=0x7ffb0e8f4b90) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007ffb52d0b06d in QTimerInfoList::updateCurrentTime (this=0x7ffafc002660) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007ffb52d0b3a3 in QTimerInfoList::timerWait (this=0x7ffafc002660, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007ffb52d09e5c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7ffb0e8f4c6c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007ffb52d09f05 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007ffb49c56846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffb49c56f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffb49c57164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffb52d0a906 in QEventDispatcherGlib::processEvents (this=0x7ffafc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007ffb52cd9e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007ffb52cda097 in QEventLoop::exec (this=0x7ffb0e8f4dd0, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007ffb52bd9057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007ffb52cb9b4f in QInotifyFileSystemWatcherEngine::run (this=0x25b9550) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x00007ffb52bdc07b in QThreadPrivate::start (arg=0x25b9550) at thread/qthread_unix.cpp:307
#17 0x00007ffb4a353e9a in start_thread (arg=0x7ffb0e8f5700) at pthread_create.c:308
#18 0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#19 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffb29b76700 (LWP 2007)):
#0  0x00007fffc91ff8de in ?? ()
#1  0x00007ffb4b91c15d in __GI_clock_gettime (clock_id=<optimized out>, tp=<optimized out>) at ../sysdeps/unix/clock_gettime.c:116
#2  0x00007ffb52c32c64 in do_gettime (frac=0x7ffb29b75bc8, sec=0x7ffb29b75bc0) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0x00007ffb52d0b06d in QTimerInfoList::updateCurrentTime (this=0x7ffb1800cf60) at kernel/qeventdispatcher_unix.cpp:343
#5  0x00007ffb52d0b3a3 in QTimerInfoList::timerWait (this=0x7ffb1800cf60, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x00007ffb52d09e5c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7ffb29b75c9c) at kernel/qeventdispatcher_glib.cpp:136
#7  0x00007ffb52d09f05 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#8  0x00007ffb49c56846 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffb49c56f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffb49c57164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffb52d0a906 in QEventDispatcherGlib::processEvents (this=0x7ffb1800c7a0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x00007ffb52cd9e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#13 0x00007ffb52cda097 in QEventLoop::exec (this=0x7ffb29b75e00, flags=...) at kernel/qeventloop.cpp:204
#14 0x00007ffb52bd9057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#15 0x00007ffb52bdc07b in QThreadPrivate::start (arg=0x34cfb40) at thread/qthread_unix.cpp:307
#16 0x00007ffb4a353e9a in start_thread (arg=0x7ffb29b76700) at pthread_create.c:308
#17 0x00007ffb5619acbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffb568b3780 (LWP 1755)):
[KCrash Handler]
#6  0x00007ffb1cf68643 in isEmpty (this=0x0) at /usr/include/qt4/QtCore/qstring.h:705
#7  RTM::Auth::getAuthUrl (this=0x23a9e10) at ../../../libs/rtm/auth.cpp:80
#8  0x00007ffb1cf5ac95 in RTM::Session::handleValidToken (this=0x23a8230, valid=false) at ../../../libs/rtm/session.cpp:123
#9  0x00007ffb1cf5d434 in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at ./moc_session.cpp:111
#10 RTM::Session::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./moc_session.cpp:90
#11 0x00007ffb52cef761 in QMetaObject::activate (sender=0x23a8230, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffc916f8f0) at kernel/qobject.cpp:3547
#12 0x00007ffb1cf5b732 in RTM::Session::tokenCheck (this=<optimized out>, _t1=false) at ./moc_session.cpp:178
#13 0x00007ffb1cf5b76f in RTM::Session::checkToken (this=0x23a8230) at ../../../libs/rtm/session.cpp:144
#14 0x00007ffb1cf5c7d5 in RTM::Session::Session (this=0x23a8230, apiKey=..., sharedSecret=..., permissions=RTM::Delete, token=..., parent=<optimized out>) at ../../../libs/rtm/session.cpp:53
#15 0x00007ffb1d17ca5c in RtmEngine::RtmEngine (this=0x22f3560, parent=<optimized out>, args=...) at ../../../dataengines/rememberthemilk/rtmengine.cpp:51
#16 0x00007ffb1d17d5f7 in KPluginFactory::createInstance<RtmEngine, QObject> (parentWidget=<optimized out>, parent=<optimized out>, args=...) at /usr/include/kpluginfactory.h:477
#17 0x00007ffb534cf251 in KPluginFactory::create (this=0x23a5780, iface=0x7ffb55e24b40 "Plasma::DataEngine", parentWidget=0x0, parent=0x0, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203
#18 0x00007ffb55cc520c in create<Plasma::DataEngine> (keyword=..., parent=0x0, this=0x23a5780, args=..., parentWidget=0x0) at ../../kdecore/util/kpluginfactory.h:531
#19 createInstance<Plasma::DataEngine> (error=0x7fffc916fc50, args=..., parent=0x0, parentWidget=0x0, this=0x23beac0) at ../../kdecore/services/kservice.h:559
#20 createInstance<Plasma::DataEngine> (error=0x7fffc916fc50, args=..., parent=0x0, this=0x23beac0) at ../../kdecore/services/kservice.h:536
#21 Plasma::PluginLoader::loadDataEngine (this=<optimized out>, name=...) at ../../plasma/pluginloader.cpp:184
#22 0x00007ffb55cacf10 in Plasma::DataEngineManager::loadEngine (this=0xec1920, name=...) at ../../plasma/dataenginemanager.cpp:132
#23 0x00007ffb55ce4303 in Plasma::DataEngineConsumer::dataEngine (this=0x11b18e0, name=...) at ../../plasma/private/dataengineconsumer.cpp:105
#24 0x00007ffb55c703dc in Plasma::Applet::dataEngine (this=0x11b0ba0, name=...) at ../../plasma/applet.cpp:685
#25 0x00007ffb38260969 in graphicsWidget (this=0x11b0ba0) at ../../../applets/rememberthemilk/rememberthemilk-plasmoid.cpp:317
#26 RememberTheMilkPlasmoid::graphicsWidget (this=0x11b0ba0) at ../../../applets/rememberthemilk/rememberthemilk-plasmoid.cpp:313
#27 0x00007ffb38260748 in RememberTheMilkPlasmoid::init (this=0x11b0ba0) at ../../../applets/rememberthemilk/rememberthemilk-plasmoid.cpp:88
#28 0x00007ffb55c8f755 in Plasma::ContainmentPrivate::initApplets (this=0x118efd0) at ../../plasma/containment.cpp:463
#29 0x00007ffb55ca3bd2 in Plasma::CoronaPrivate::importLayout (this=0xc9e450, conf=..., mergeConfig=false) at ../../plasma/corona.cpp:1067
#30 0x00007ffb55ca4874 in Plasma::Corona::loadLayout (this=0xcd21b0, configName=...) at ../../plasma/corona.cpp:278
#31 0x00007ffb55ca493c in Plasma::Corona::initializeLayout (this=0xcd21b0, configName=...) at ../../plasma/corona.cpp:181
#32 0x00007ffb564bd0a9 in PlasmaApp::corona (this=0xb92320, createIfMissing=<optimized out>) at ../../../../plasma/desktop/shell/plasmaapp.cpp:850
#33 0x00007ffb564bd3bf in PlasmaApp::setupDesktop (this=0xb92320) at ../../../../plasma/desktop/shell/plasmaapp.cpp:312
#34 0x00007ffb564be6ea in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=0xb92320, _c=<optimized out>) at ./plasmaapp.moc:125
#35 PlasmaApp::qt_static_metacall (_o=0xb92320, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at ./plasmaapp.moc:101
#36 0x00007ffb52cf4926 in QObject::event (this=0xb92320, e=<optimized out>) at kernel/qobject.cpp:1195
#37 0x00007ffb52060604 in QApplication::event (this=0xb92320, e=0xca73e0) at kernel/qapplication.cpp:2538
#38 0x00007ffb5205c7b4 in notify_helper (e=0xca73e0, receiver=0xb92320, this=0xb9a240) at kernel/qapplication.cpp:4556
#39 QApplicationPrivate::notify_helper (this=0xb9a240, receiver=0xb92320, e=0xca73e0) at kernel/qapplication.cpp:4528
#40 0x00007ffb52061583 in QApplication::notify (this=0xb92320, receiver=0xb92320, e=0xca73e0) at kernel/qapplication.cpp:4417
#41 0x00007ffb539bfb76 in KApplication::notify (this=0xb92320, receiver=0xb92320, event=0xca73e0) at ../../kdeui/kernel/kapplication.cpp:311
#42 0x00007ffb52cdb30c in QCoreApplication::notifyInternal (this=0xb92320, receiver=0xb92320, event=0xca73e0) at kernel/qcoreapplication.cpp:915
#43 0x00007ffb52cdf0ea in sendEvent (event=0xca73e0, receiver=0xb92320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#44 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xb1b1f0) at kernel/qcoreapplication.cpp:1539
#45 0x00007ffb52d0a473 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#46 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#47 0x00007ffb49c56d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007ffb49c570a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007ffb49c57164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007ffb52d0a89f in QEventDispatcherGlib::processEvents (this=0xb1cad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#51 0x00007ffb52104cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#52 0x00007ffb52cd9e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#53 0x00007ffb52cda097 in QEventLoop::exec (this=0x7fffc91712e0, flags=...) at kernel/qeventloop.cpp:204
#54 0x00007ffb52cdf3e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#55 0x00007ffb564a3d8f in kdemain (argc=1, argv=0x7fffc91716c8) at ../../../../plasma/desktop/shell/main.cpp:126
#56 0x00007ffb560c876d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffc91716c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffc91716b8) at libc-start.c:226
#57 0x0000000000400671 in _start ()

Reported using DrKonqi