Bug 270811

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 x86_64
Distribution: Ubuntu 10.10

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

Plasma Desktop crashes immediately after inputting my login credentials.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f4e8ff23780 (LWP 2489))]

Thread 3 (Thread 0x7f4e6ce95700 (LWP 2493)):
#0  0x00007f4e8f838387 in pthread_mutex_unlock (mutex=0x294da68) at forward.c:184
#1  0x00007f4e844b9b51 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x00007f4e844b9e78 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f4e844ba45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f4e8c9821e6 in QEventDispatcherGlib::processEvents (this=0x2905e80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f4e8c954a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f4e8c954dec in QEventLoop::exec (this=0x7f4e6ce94d90, flags=) at kernel/qeventloop.cpp:201
#7  0x00007f4e8c85f2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007f4e8c9345f8 in QInotifyFileSystemWatcherEngine::run (this=0x294ced0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f4e8c86227e in QThreadPrivate::start (arg=0x294ced0) at thread/qthread_unix.cpp:266
#10 0x00007f4e84b6c971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007f4e8f82892d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f4e667a7700 (LWP 2494)):
#0  0x00007f4e8f81c203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4e844ba009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f4e844ba45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f4e8c9821e6 in QEventDispatcherGlib::processEvents (this=0x2a60470, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f4e8c954a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f4e8c954dec in QEventLoop::exec (this=0x7f4e667a6d90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f4e8c85f2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f4e8c9345f8 in QInotifyFileSystemWatcherEngine::run (this=0x2a5fa20) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4e8c86227e in QThreadPrivate::start (arg=0x2a5fa20) at thread/qthread_unix.cpp:266
#9  0x00007f4e84b6c971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f4e8f82892d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4e8ff23780 (LWP 2489)):
[KCrash Handler]
#6  Plasma::TabBar::currentIndex (this=0x80000000) at ../../plasma/widgets/tabbar.cpp:334
#7  0x00007f4e74512350 in MicroBlog::createTimelineService (this=0x27a3ad0) at ../../../applets/microblog/microblog.cpp:888
#8  0x00007f4e74512790 in MicroBlog::downloadHistory (this=0x27a3ad0) at ../../../applets/microblog/microblog.cpp:850
#9  0x00007f4e74514b40 in MicroBlog::configChanged (this=0x27a3ad0) at ../../../applets/microblog/microblog.cpp:368
#10 0x00007f4e7450f957 in MicroBlog::init (this=0x27a3ad0) at ../../../applets/microblog/microblog.cpp:88
#11 0x00007f4e8f333cc0 in Plasma::ContainmentPrivate::initApplets (this=0x26bd9b0) at ../../plasma/containment.cpp:463
#12 0x00007f4e8f348c8c in Plasma::CoronaPrivate::importLayout (this=0x21c49d0, conf=<value optimized out>, mergeConfig=<value optimized out>) at ../../plasma/corona.cpp:566
#13 0x00007f4e8f349793 in Plasma::Corona::loadLayout (this=0x21c4bb0, configName=...) at ../../plasma/corona.cpp:494
#14 0x00007f4e8f34a283 in Plasma::Corona::initializeLayout (this=0x21c4bb0, configName=...) at ../../plasma/corona.cpp:397
#15 0x00007f4e8fb22140 in PlasmaApp::corona (this=0x21ac2b0) at ../../../../plasma/desktop/shell/plasmaapp.cpp:797
#16 0x00007f4e8fb2249c in PlasmaApp::setupDesktop (this=0x21ac2b0) at ../../../../plasma/desktop/shell/plasmaapp.cpp:299
#17 0x00007f4e8fb24e7c in PlasmaApp::qt_metacall (this=0x21ac2b0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x2263e80) at ./plasmaapp.moc:155
#18 0x00007f4e8c967bde in QObject::event (this=0x21ac2b0, e=0x80000000) at kernel/qobject.cpp:1219
#19 0x00007f4e8bcc0186 in QApplication::event (this=0x21ac2b0, e=0x22806a0) at kernel/qapplication.cpp:2439
#20 0x00007f4e8bcbcfdc in QApplicationPrivate::notify_helper (this=0x21bdd20, receiver=0x21ac2b0, e=0x22806a0) at kernel/qapplication.cpp:4396
#21 0x00007f4e8bcc2aed in QApplication::notify (this=0x21ac2b0, receiver=0x21ac2b0, e=0x22806a0) at kernel/qapplication.cpp:4277
#22 0x00007f4e8d65c2f6 in KApplication::notify (this=0x21ac2b0, receiver=0x21ac2b0, event=0x22806a0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f4e8c955cdc in QCoreApplication::notifyInternal (this=0x21ac2b0, receiver=0x21ac2b0, event=0x22806a0) at kernel/qcoreapplication.cpp:732
#24 0x00007f4e8c958c22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x216e7a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x216e7a0) at kernel/qcoreapplication.cpp:1373
#26 0x00007f4e8c982653 in sendPostedEvents (s=0x21c2410) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#27 postEventSourceDispatch (s=0x21c2410) at kernel/qeventdispatcher_glib.cpp:277
#28 0x00007f4e844b6342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007f4e844ba2a8 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007f4e844ba45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007f4e8c982193 in QEventDispatcherGlib::processEvents (this=0x216e2b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#32 0x00007f4e8bd6fa4e in QGuiEventDispatcherGlib::processEvents (this=0x80000000, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f4e8c954a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#34 0x00007f4e8c954dec in QEventLoop::exec (this=0x7fff67dfbd60, flags=) at kernel/qeventloop.cpp:201
#35 0x00007f4e8c958ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#36 0x00007f4e8fb06fb3 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#37 0x00007f4e8f760d8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff67dfc138) at libc-start.c:226
#38 0x0000000000400669 in _start ()

Reported using DrKonqi