Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.0
Operating System: Linux 2.6.38-4-generic x86_64
Distribution: Ubuntu 10.10

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

Booted system, plasma-desktop crashed after login screen.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fef1f4fe7a0 (LWP 1741))]

Thread 4 (Thread 0x7fef01306700 (LWP 1742)):
#0  0x00007fef1414e665 in __pthread_mutex_lock (mutex=0x1cc6a18) at pthread_mutex_lock.c:61
#1  0x00007fef13a99a43 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x00007fef13a99e78 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007fef13a9a45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007fef1bf611e6 in QEventDispatcherGlib::processEvents (this=0x1bc1330, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007fef1bf33a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007fef1bf33dec in QEventLoop::exec (this=0x7fef01305cb0, flags=) at kernel/qeventloop.cpp:201
#7  0x00007fef1be3e2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007fef1bf135f8 in QInotifyFileSystemWatcherEngine::run (this=0x1c20140) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fef1be4127e in QThreadPrivate::start (arg=0x1c20140) at thread/qthread_unix.cpp:266
#10 0x00007fef11b0eae3 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007fef1414c971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007fef1ee0792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fef008ec700 (LWP 1743)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:212
#1  0x00007fef1be41da2 in wait (this=<value optimized out>, mutex=0x1c76350, time=30000) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1c76350, time=30000) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fef1be36da2 in QThreadPoolThread::run (this=0x1cc0f70) at concurrent/qthreadpool.cpp:140
#4  0x00007fef1be4127e in QThreadPrivate::start (arg=0x1cc0f70) at thread/qthread_unix.cpp:266
#5  0x00007fef11b0eae3 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fef1414c971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#7  0x00007fef1ee0792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7feef483d700 (LWP 1744)):
#0  __pthread_mutex_lock (mutex=0x1c6cf98) at pthread_mutex_lock.c:125
#1  0x00007fef13a99697 in g_main_context_check () from /lib/libglib-2.0.so.0
#2  0x00007fef13a9a023 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007fef13a9a45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007fef1bf611e6 in QEventDispatcherGlib::processEvents (this=0x1c6c900, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007fef1bf33a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007fef1bf33dec in QEventLoop::exec (this=0x7feef483ccb0, flags=) at kernel/qeventloop.cpp:201
#7  0x00007fef1be3e2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007fef1bf135f8 in QInotifyFileSystemWatcherEngine::run (this=0x1c6bf60) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fef1be4127e in QThreadPrivate::start (arg=0x1c6bf60) at thread/qthread_unix.cpp:266
#10 0x00007fef11b0eae3 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007fef1414c971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007fef1ee0792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fef1f4fe7a0 (LWP 1741)):
[KCrash Handler]
#6  QGraphicsItem::setVisible (this=0x2e32706a5f676d79, visible=false) at graphicsview/qgraphicsitem.cpp:2411
#7  0x00007fef017446df in hide (this=0x1b70290) at /usr/include/qt4/QtGui/qgraphicsitem.h:221
#8  MicroBlog::downloadHistory (this=0x1b70290) at ../../../applets/microblog/microblog.cpp:839
#9  0x00007fef01746b40 in MicroBlog::configChanged (this=0x1b70290) at ../../../applets/microblog/microblog.cpp:368
#10 0x00007fef01741957 in MicroBlog::init (this=0x1b70290) at ../../../applets/microblog/microblog.cpp:88
#11 0x00007fef1e912cc0 in Plasma::ContainmentPrivate::initApplets (this=0x1ae43c0) at ../../plasma/containment.cpp:463
#12 0x00007fef1e927c8c in Plasma::CoronaPrivate::importLayout (this=0x15b08d0, conf=<value optimized out>, mergeConfig=<value optimized out>) at ../../plasma/corona.cpp:566
#13 0x00007fef1e928793 in Plasma::Corona::loadLayout (this=0x149d680, configName=...) at ../../plasma/corona.cpp:494
#14 0x00007fef1e929283 in Plasma::Corona::initializeLayout (this=0x149d680, configName=...) at ../../plasma/corona.cpp:397
#15 0x00007fef1f101140 in PlasmaApp::corona (this=0x148c1e0) at ../../../../plasma/desktop/shell/plasmaapp.cpp:797
#16 0x00007fef1f10149c in PlasmaApp::setupDesktop (this=0x148c1e0) at ../../../../plasma/desktop/shell/plasmaapp.cpp:299
#17 0x00007fef1f103e7c in PlasmaApp::qt_metacall (this=0x148c1e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x1599af0) at ./plasmaapp.moc:155
#18 0x00007fef1bf46bde in QObject::event (this=0x148c1e0, e=0x2e32706a5f676d79) at kernel/qobject.cpp:1219
#19 0x00007fef1b29f186 in QApplication::event (this=0x148c1e0, e=0x159a490) at kernel/qapplication.cpp:2439
#20 0x00007fef1b29bfdc in QApplicationPrivate::notify_helper (this=0x149ecb0, receiver=0x148c1e0, e=0x159a490) at kernel/qapplication.cpp:4396
#21 0x00007fef1b2a1aed in QApplication::notify (this=0x148c1e0, receiver=0x148c1e0, e=0x159a490) at kernel/qapplication.cpp:4277
#22 0x00007fef1cc3b2f6 in KApplication::notify (this=0x148c1e0, receiver=0x148c1e0, event=0x159a490) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007fef1bf34cdc in QCoreApplication::notifyInternal (this=0x148c1e0, receiver=0x148c1e0, event=0x159a490) at kernel/qcoreapplication.cpp:732
#24 0x00007fef1bf37c22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x140c7a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x140c7a0) at kernel/qcoreapplication.cpp:1373
#26 0x00007fef1bf61653 in sendPostedEvents (s=0x14a5e00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#27 postEventSourceDispatch (s=0x14a5e00) at kernel/qeventdispatcher_glib.cpp:277
#28 0x00007fef13a96342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#29 0x00007fef13a9a2a8 in ?? () from /lib/libglib-2.0.so.0
#30 0x00007fef13a9a45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#31 0x00007fef1bf61193 in QEventDispatcherGlib::processEvents (this=0x140c2b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#32 0x00007fef1b34ea4e in QGuiEventDispatcherGlib::processEvents (this=0x2e32706a5f676d79, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007fef1bf33a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#34 0x00007fef1bf33dec in QEventLoop::exec (this=0x7fffdcc98fe0, flags=) at kernel/qeventloop.cpp:201
#35 0x00007fef1bf37ebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#36 0x00007fef1f0e5fb3 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#37 0x00007fef1ed3fd8e 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=0x7fffdcc993b8) at libc-start.c:226
#38 0x0000000000400669 in _start ()

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

Possible duplicates by query: bug 270327.

Reported using DrKonqi