Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

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

I was trying to configure Fancy Tasks. I closed all the applications but their incons remained visible in Fancy Tasks. Plasma desktop crashed when I clicked one of those icons.

- Unusual behavior I noticed:

I closed all the applications but their incons remained visible in Fancy Tasks.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fea879b87c0 (LWP 2543))]

Thread 4 (Thread 0x7fea61aa6700 (LWP 2544)):
#0  0x00007fea7c3351fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x242f578) at pthread_mutex_unlock.c:290
#2  0x00007fea7b825013 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fea7b825429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fea8448bf3e in QEventDispatcherGlib::processEvents (this=0x242ee50, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fea8445fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fea8445fef7 in QEventLoop::exec (this=0x7fea61aa5cd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fea8437727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fea84442cbf in QInotifyFileSystemWatcherEngine::run (this=0x242cbb0) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fea84379d05 in QThreadPrivate::start (arg=0x242cbb0) at thread/qthread_unix.cpp:331
#10 0x00007fea78b3e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007fea7c331efc in start_thread (arg=0x7fea61aa6700) at pthread_create.c:304
#12 0x00007fea872a589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fea5f271700 (LWP 2545)):
#0  0x00007fea7b8334c0 in g_poll () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fea7b824f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fea7b825429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fea8448bf3e in QEventDispatcherGlib::processEvents (this=0x24e82a0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fea8445fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fea8445fef7 in QEventLoop::exec (this=0x7fea5f270cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fea8437727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fea84442cbf in QInotifyFileSystemWatcherEngine::run (this=0x24ecc10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fea84379d05 in QThreadPrivate::start (arg=0x24ecc10) at thread/qthread_unix.cpp:331
#9  0x00007fea78b3e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fea7c331efc in start_thread (arg=0x7fea5f271700) at pthread_create.c:304
#11 0x00007fea872a589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fea5538f700 (LWP 2556)):
#0  0x00007fea87299773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fea7b824f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fea7b825792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fea55e6d516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fea7b84a2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fea78b3e56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fea7c331efc in start_thread (arg=0x7fea5538f700) at pthread_create.c:304
#7  0x00007fea872a589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fea879b87c0 (LWP 2543)):
[KCrash Handler]
#6  TaskManager::Task::classClass (this=0x0) at ../../../libs/taskmanager/task_x11.cpp:74
#7  0x00007fea6c56fd76 in TaskManager::ToggleLauncherActionImpl::ToggleLauncherActionImpl (this=0x61ca780, parent=<optimized out>, item=0x6ce8240, strategy=<optimized out>) at ../../../libs/taskmanager/taskactions.cpp:351
#8  0x00007fea6c570218 in TaskManager::AdvancedMenu::AdvancedMenu (this=0x443b3d0, parent=<optimized out>, item=0x6ce8240, strategy=0x87da660) at ../../../libs/taskmanager/taskactions.cpp:295
#9  0x00007fea6c570e8a in TaskManager::BasicMenu::BasicMenu (this=0x3cd52c0, parent=<optimized out>, item=0x6ce8240, strategy=0x87da660, visualizationActions=...) at ../../../libs/taskmanager/taskactions.cpp:440
#10 0x00007fea4c536783 in ?? () from /usr/lib/kde4/plasma_applet_fancytasks.so
#11 0x00007fea4c52cdc9 in ?? () from /usr/lib/kde4/plasma_applet_fancytasks.so
#12 0x00007fea4c52d110 in ?? () from /usr/lib/kde4/plasma_applet_fancytasks.so
#13 0x00007fea83dd87b5 in QGraphicsItem::sceneEvent (this=0x19c92c0, event=0x7fff7a300d50) at graphicsview/qgraphicsitem.cpp:6700
#14 0x00007fea83e0075e in QGraphicsScene::contextMenuEvent (this=<optimized out>, contextMenuEvent=0x7fff7a300d50) at graphicsview/qgraphicsscene.cpp:3609
#15 0x00007fea83e0f834 in QGraphicsScene::event (this=0x1338330, event=0x7fff7a300d50) at graphicsview/qgraphicsscene.cpp:3407
#16 0x00007fea83811424 in notify_helper (e=0x7fff7a300d50, receiver=0x1338330, this=0x1119cd0) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x1119cd0, receiver=0x1338330, e=0x7fff7a300d50) at kernel/qapplication.cpp:4458
#18 0x00007fea83816291 in QApplication::notify (this=0x10b3a30, receiver=0x1338330, e=0x7fff7a300d50) at kernel/qapplication.cpp:4365
#19 0x00007fea8510f126 in KApplication::notify (this=0x10b3a30, receiver=0x1338330, event=0x7fff7a300d50) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007fea84460afc in QCoreApplication::notifyInternal (this=0x10b3a30, receiver=0x1338330, event=0x7fff7a300d50) at kernel/qcoreapplication.cpp:787
#21 0x00007fea83e254fb in sendEvent (event=0x7fff7a300d50, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QGraphicsView::contextMenuEvent (this=0x30468d0, event=0x7fff7a301460) at graphicsview/qgraphicsview.cpp:2890
#23 0x00007fea83861a00 in QWidget::event (this=0x30468d0, event=0x7fff7a301460) at kernel/qwidget.cpp:8462
#24 0x00007fea83c0a4f6 in QFrame::event (this=0x30468d0, e=0x7fff7a301460) at widgets/qframe.cpp:557
#25 0x00007fea83e2dd3b in QGraphicsView::viewportEvent (this=0x30468d0, event=0x7fff7a301460) at graphicsview/qgraphicsview.cpp:2864
#26 0x00007fea84460c88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x2731b90, event=0x7fff7a301460) at kernel/qcoreapplication.cpp:902
#27 0x00007fea838113ef in notify_helper (e=0x7fff7a301460, receiver=0x2731b90, this=0x1119cd0) at kernel/qapplication.cpp:4482
#28 QApplicationPrivate::notify_helper (this=0x1119cd0, receiver=0x2731b90, e=0x7fff7a301460) at kernel/qapplication.cpp:4458
#29 0x00007fea83816779 in QApplication::notify (this=<optimized out>, receiver=0x2731b90, e=0x7fff7a301460) at kernel/qapplication.cpp:4126
#30 0x00007fea8510f126 in KApplication::notify (this=0x10b3a30, receiver=0x2731b90, event=0x7fff7a301460) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007fea84460afc in QCoreApplication::notifyInternal (this=0x10b3a30, receiver=0x2731b90, event=0x7fff7a301460) at kernel/qcoreapplication.cpp:787
#32 0x00007fea838919aa in sendSpontaneousEvent (event=0x7fff7a301460, receiver=0x2731b90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#33 QETWidget::translateMouseEvent (this=0x30468d0, event=<optimized out>) at kernel/qapplication_x11.cpp:4573
#34 0x00007fea838908be in QApplication::x11ProcessEvent (this=0x10b3a30, event=0x7fff7a301c50) at kernel/qapplication_x11.cpp:3690
#35 0x00007fea838b9412 in x11EventSourceDispatch (s=0x111d840, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0x00007fea7b824a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fea7b825258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fea7b825429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fea8448bed6 in QEventDispatcherGlib::processEvents (this=0x1044f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#40 0x00007fea838b907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00007fea8445fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#42 0x00007fea8445fef7 in QEventLoop::exec (this=0x7fff7a302020, flags=...) at kernel/qeventloop.cpp:201
#43 0x00007fea84464789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#44 0x00007fea875a41a3 in kdemain (argc=1, argv=0x7fff7a302408) at ../../../../plasma/desktop/shell/main.cpp:120
#45 0x00007fea871e530d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff7a302408, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7a3023f8) at libc-start.c:226
#46 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 285858.

Possible duplicates by query: bug 287329, bug 285858, bug 285681, bug 285221, bug 282770.

Reported using DrKonqi