Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

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

I was quiting games running opengl or gdi. After that the opengl desktop are desactivate and desktop bloqued.

The crash can be reproduced every time.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fa9f86f17c0 (LWP 2454))]

Thread 4 (Thread 0x7fa9dae69700 (LWP 2456)):
#0  0x00007fa9ec9c4139 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa9ec9c4f9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa9ec9c5639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa9f51f5446 in QEventDispatcherGlib::processEvents (this=0x1bef200, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fa9f51c9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa9f51c9abc in QEventLoop::exec (this=0x7fa9dae68cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fa9f50e0924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007fa9f51abc2f in QInotifyFileSystemWatcherEngine::run (this=0x1c19330) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fa9f50e3175 in QThreadPrivate::start (arg=0x1c19330) at thread/qthread_unix.cpp:320
#9  0x00007fa9eaa4a853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fa9ed2c8d8c in start_thread (arg=0x7fa9dae69700) at pthread_create.c:304
#11 0x00007fa9f7ff404d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fa9d8bb9700 (LWP 2458)):
#0  0x00007fa9ed2ccd9d in __pthread_mutex_unlock_usercnt (mutex=0x1cb6508) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x1cb6508) at pthread_mutex_unlock.c:290
#2  0x00007fa9ec9c4094 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa9ec9c4f9d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa9ec9c5639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa9f51f5446 in QEventDispatcherGlib::processEvents (this=0x1cb60e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fa9f51c9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fa9f51c9abc in QEventLoop::exec (this=0x7fa9d8bb8cd0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007fa9f50e0924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#9  0x00007fa9f51abc2f in QInotifyFileSystemWatcherEngine::run (this=0x1bdbae0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fa9f50e3175 in QThreadPrivate::start (arg=0x1bdbae0) at thread/qthread_unix.cpp:320
#11 0x00007fa9eaa4a853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007fa9ed2c8d8c in start_thread (arg=0x7fa9d8bb9700) at pthread_create.c:304
#13 0x00007fa9f7ff404d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fa9cc157700 (LWP 2463)):
#0  0x00007fa9f7fe6f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fa9ec9c5104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa9ec9c59f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa9cd26ec44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fa9ec9ec3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa9eaa4a853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#6  0x00007fa9ed2c8d8c in start_thread (arg=0x7fa9cc157700) at pthread_create.c:304
#7  0x00007fa9f7ff404d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fa9f86f17c0 (LWP 2454)):
[KCrash Handler]
#6  QWidget::mapToParent (this=0x0, pos=...) at kernel/qwidget.cpp:4218
#7  0x00007fa9f45c87bb in QWidget::mapTo (this=<value optimized out>, parent=0x2388d80, pos=<value optimized out>) at kernel/qwidget.cpp:4174
#8  0x00007fa9f479b9e8 in qt_flush (this=0x223e0c0, widget=<value optimized out>, surface=<value optimized out>) at painting/qbackingstore.cpp:102
#9  QWidgetBackingStore::flush (this=0x223e0c0, widget=<value optimized out>, surface=<value optimized out>) at painting/qbackingstore.cpp:1405
#10 0x00007fa9f479ca07 in QWidgetBackingStore::sync (this=0x223e0c0) at painting/qbackingstore.cpp:1336
#11 0x00007fa9f45cbf60 in QWidgetPrivate::syncBackingStore (this=0x23910b0) at kernel/qwidget.cpp:1842
#12 0x00007fa9f45d9194 in QWidget::event (this=0x2388d80, event=0x25fa950) at kernel/qwidget.cpp:8552
#13 0x00007fa9f498b156 in QFrame::event (this=0x2388d80, e=0x25fa950) at widgets/qframe.cpp:557
#14 0x00007fa9f4a0c8eb in QAbstractScrollArea::event (this=0x2388d80, e=0x25fa950) at widgets/qabstractscrollarea.cpp:996
#15 0x00007fa9f82e5fe6 in PanelView::event (this=0x2388d80, event=0x25fa950) at ../../../../plasma/desktop/shell/panelview.cpp:1604
#16 0x00007fa9f45879f4 in QApplicationPrivate::notify_helper (this=0x1746910, receiver=0x2388d80, e=0x25fa950) at kernel/qapplication.cpp:4462
#17 0x00007fa9f458c3ba in QApplication::notify (this=<value optimized out>, receiver=0x2388d80, e=0x25fa950) at kernel/qapplication.cpp:4341
#18 0x00007fa9f5e82866 in KApplication::notify (this=0x17322f0, receiver=0x2388d80, event=0x25fa950) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007fa9f51ca49c in QCoreApplication::notifyInternal (this=0x17322f0, receiver=0x2388d80, event=0x25fa950) at kernel/qcoreapplication.cpp:731
#20 0x00007fa9f51cdc25 in sendEvent (receiver=0x2388d80, event_type=77, data=0x1685b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x2388d80, event_type=77, data=0x1685b60) at kernel/qcoreapplication.cpp:1372
#22 0x00007fa9f4b85f7a in dispatchPendingUpdateRequests (this=0x1748500) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:189
#23 QGraphicsScenePrivate::_q_processDirtyItems (this=0x1748500) at graphicsview/qgraphicsscene.cpp:510
#24 0x00007fa9f4b8639a in QGraphicsScene::qt_metacall (this=0x183ead0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x27751f0) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#25 0x00007fa9f7b29b65 in Plasma::Corona::qt_metacall (this=0x183ead0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x27751f0) at ./corona.moc:109
#26 0x00007fa9f82da065 in DesktopCorona::qt_metacall (this=0x183ead0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x27751f0) at ./desktopcorona.moc:101
#27 0x00007fa9f51de49a in QObject::event (this=0x183ead0, e=<value optimized out>) at kernel/qobject.cpp:1226
#28 0x00007fa9f4b92c7b in QGraphicsScene::event (this=0x183ead0, event=0x2de85b0) at graphicsview/qgraphicsscene.cpp:3544
#29 0x00007fa9f45879f4 in QApplicationPrivate::notify_helper (this=0x1746910, receiver=0x183ead0, e=0x2de85b0) at kernel/qapplication.cpp:4462
#30 0x00007fa9f458c3ba in QApplication::notify (this=<value optimized out>, receiver=0x183ead0, e=0x2de85b0) at kernel/qapplication.cpp:4341
#31 0x00007fa9f5e82866 in KApplication::notify (this=0x17322f0, receiver=0x183ead0, event=0x2de85b0) at ../../kdeui/kernel/kapplication.cpp:311
#32 0x00007fa9f51ca49c in QCoreApplication::notifyInternal (this=0x17322f0, receiver=0x183ead0, event=0x2de85b0) at kernel/qcoreapplication.cpp:731
#33 0x00007fa9f51cdc25 in sendEvent (receiver=0x0, event_type=0, data=0x1685b60) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#34 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1685b60) at kernel/qcoreapplication.cpp:1372
#35 0x00007fa9f51f5253 in sendPostedEvents (s=0x1744960) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#36 postEventSourceDispatch (s=0x1744960) at kernel/qeventdispatcher_glib.cpp:277
#37 0x00007fa9ec9c4bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fa9ec9c53a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fa9ec9c5639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fa9f51f53ef in QEventDispatcherGlib::processEvents (this=0x1685340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#41 0x00007fa9f46314de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x00007fa9f51c9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#43 0x00007fa9f51c9abc in QEventLoop::exec (this=0x7fffca27a3e0, flags=...) at kernel/qeventloop.cpp:201
#44 0x00007fa9f51cdecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#45 0x00007fa9f82e0897 in kdemain (argc=1, argv=0x7fffca27a7a8) at ../../../../plasma/desktop/shell/main.cpp:118
#46 0x00007fa9f7f2ceff in __libc_start_main (main=0x400740 <main(int, char**)>, argc=1, ubp_av=0x7fffca27a7a8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffca27a798) at libc-start.c:226
#47 0x0000000000400669 in _start ()

Possible duplicates by query: bug 277006, bug 273840, bug 265490, bug 258503, bug 255168.

Reported using DrKonqi