Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-21-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
The Calendar widget became clean without info, after closing it the kicker in kde4 is crashed

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7f1c945760 (LWP 1939))]

Thread 3 (Thread 0x7f7ef368f710 (LWP 1943)):
#0  0x00007f7f19932f83 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7f162f74a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f7f162f78fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f7f1af3b566 in QEventDispatcherGlib::processEvents (this=0x7f7eec0008b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f7f1af10992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f7f1af10d6c in QEventLoop::exec (this=0x7f7ef368edb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f7f1ae1ad59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007f7f1aef1178 in QInotifyFileSystemWatcherEngine::run (this=0x2410200) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7f1ae1d775 in QThreadPrivate::start (arg=0x2410200) at thread/qthread_unix.cpp:248
#9  0x00007f7f1ab8d9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f7f1993f6fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7ef1a90710 (LWP 1946)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7f125e5ca6 in ?? () from /usr/lib/libQtWebKit.so.4
#2  0x00007f7f125e5ce9 in ?? () from /usr/lib/libQtWebKit.so.4
#3  0x00007f7f1ab8d9ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f7f1993f6fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7f1c945760 (LWP 1939)):
[KCrash Handler]
#5  QWeakPointer<Plasma::Extender>::isNull (this=0x289c0d0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:546
#6  QWeakPointer<Plasma::Extender>::operator! (this=0x289c0d0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:552
#7  Plasma::Applet::extender (this=0x289c0d0) at ../../plasma/applet.cpp:752
#8  0x00007f7f13938aa3 in Plasma::ExtenderItem::returnToSource (this=0x29190b0) at ../../plasma/extenders/extenderitem.cpp:470
#9  0x00007f7f13957d25 in ~ExtenderApplet (this=0x1cebb90, __in_chrg=<value optimized out>) at ../../plasma/private/extenderapplet.cpp:42
#10 0x00007f7f1af21d6d in QObject::event (this=0x1cebb90, e=0x5cecce0) at kernel/qobject.cpp:1231
#11 0x00007f7f1a6f3edb in QGraphicsWidget::event (this=0x1cebb90, event=0x5cecce0) at graphicsview/qgraphicswidget.cpp:1361
#12 0x00007f7f1a0ae22c in QApplicationPrivate::notify_helper (this=0xe91100, receiver=0x1cebb90, e=0x5cecce0) at kernel/qapplication.cpp:4300
#13 0x00007f7f1a0b46fb in QApplication::notify (this=0xe7abe0, receiver=0x1cebb90, e=0x5cecce0) at kernel/qapplication.cpp:4183
#14 0x00007f7f1b459526 in KApplication::notify (this=0xe7abe0, receiver=0x1cebb90, event=0x5cecce0) at ../../kdeui/kernel/kapplication.cpp:302
#15 0x00007f7f1af1206c in QCoreApplication::notifyInternal (this=0xe7abe0, receiver=0x1cebb90, event=0x5cecce0) at kernel/qcoreapplication.cpp:704
#16 0x00007f7f1af147e7 in QCoreApplication::sendEvent (receiver=0x0, event_type=<value optimized out>, data=0xe04c30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0xe04c30) at kernel/qcoreapplication.cpp:1345
#18 0x00007f7f1af3b9d3 in QCoreApplication::sendPostedEvents (s=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#19 postEventSourceDispatch (s=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:276
#20 0x00007f7f162f38c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x00007f7f162f7748 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007f7f162f78fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x00007f7f1af3b513 in QEventDispatcherGlib::processEvents (this=0xe06140, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#24 0x00007f7f1a15e46e in QGuiEventDispatcherGlib::processEvents (this=0x289c0d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#25 0x00007f7f1af10992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#26 0x00007f7f1af10d6c in QEventLoop::exec (this=0x7fffda6ed7a0, flags=) at kernel/qeventloop.cpp:201
#27 0x00007f7f1af14aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#28 0x00007f7f0e74ffb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#29 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#30 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#31 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#32 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 234578.

Reported using DrKonqi