Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.8.0
Operating System: Linux 3.1.6-1.fc16.x86_64 x86_64
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
Exiting Mozilla Firefox, than I wa trying to end my session and shut down computer. After that KDE crashed a finally my second monitor was turned off.

-- Backtrace:
Application: Shell plochy Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fb8e2e84840 (LWP 1541))]

Thread 2 (Thread 0x7fb8ccae4700 (LWP 1544)):
#0  0x00000039ebc09dd5 in __pthread_mutex_lock (mutex=0x7fb8c00009a8) at pthread_mutex_lock.c:65
#1  0x00000039ef44477f in g_main_context_check (context=0x7fb8c00009a0, max_priority=2147483647, fds=<optimized out>, n_fds=<optimized out>) at gmain.c:2945
#2  0x00000039ef444fa2 in g_main_context_iterate (context=0x7fb8c00009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3070
#3  0x00000039ef44544c in g_main_context_iteration (context=0x7fb8c00009a0, may_block=1) at gmain.c:3136
#4  0x000000316dfa79c6 in QEventDispatcherGlib::processEvents (this=0x7fb8c00008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x000000316df77dc2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x000000316df78017 in QEventLoop::exec (this=0x7fb8ccae3d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x000000316de78ad7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x000000316df57b9f in QInotifyFileSystemWatcherEngine::run (this=0x1f9fb50) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x000000316de7bb1b in QThreadPrivate::start (arg=0x1f9fb50) at thread/qthread_unix.cpp:298
#10 0x00000039ebc07d90 in start_thread (arg=0x7fb8ccae4700) at pthread_create.c:309
#11 0x0000003c42aef3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fb8e2e84840 (LWP 1541)):
[KCrash Handler]
#6  0x000000316fdbd064 in QGraphicsLayoutItem::setParentLayoutItem (this=0x4595660, parent=0x0) at graphicsview/qgraphicslayoutitem.cpp:851
#7  0x00007fb8d3f3d04f in SystemTray::CompactLayout::removeItem (this=0x19c6c90, item=0x4595660) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/ui/compactlayout.cpp:127
#8  0x00007fb8d3f40ed7 in SystemTray::TaskArea::addWidgetForTask (this=0x19c7920, task=0x4565680) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/ui/taskarea.cpp:280
#9  0x00007fb8d3f41c36 in SystemTray::TaskArea::addTask (this=0x19c7920, task=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#10 0x000000316df8c911 in QMetaObject::activate (sender=0x1493820, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffa1cc6da0) at kernel/qobject.cpp:3546
#11 0x00007fb8d3f24ce2 in SystemTray::Manager::taskChanged (this=<optimized out>, _t1=0x4565680) at /usr/src/debug/kde-workspace-4.7.4/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/manager.moc:120
#12 0x000000316df8c911 in QMetaObject::activate (sender=0x4565680, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffa1cc6ef0) at kernel/qobject.cpp:3546
#13 0x00007fb8d3f2585f in SystemTray::Task::changed (this=<optimized out>, _t1=0x4565680) at /usr/src/debug/kde-workspace-4.7.4/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/task.moc:126
#14 0x00007fb8d3f25b31 in SystemTray::Task::widgetDeleted (this=0x4565680) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/core/task.cpp:129
#15 0x000000316df8c911 in QMetaObject::activate (sender=0x4595640, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffa1cc7090) at kernel/qobject.cpp:3546
#16 0x000000316df8d2bf in QObject::destroyed (this=<optimized out>, _t1=0x4595640) at .moc/release-shared/moc_qobject.cpp:149
#17 0x000000316df90d6e in QObject::~QObject (this=0x4595640, __in_chrg=<optimized out>) at kernel/qobject.cpp:843
#18 0x000000316fdfdf01 in ~QGraphicsObject (this=0x4595640, __in_chrg=<optimized out>) at ../../src/gui/graphicsview/qgraphicsitem.h:547
#19 QGraphicsWidget::~QGraphicsWidget (this=0x4595640, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#20 0x00007fb8d3f26bd9 in SystemTray::FdoGraphicsWidget::~FdoGraphicsWidget (this=0x4595640, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/protocols/fdo/fdographicswidget.cpp:77
#21 0x000000316fdae6c6 in QGraphicsItem::~QGraphicsItem (this=0x184b450, __in_chrg=<optimized out>) at graphicsview/qgraphicsitem.cpp:1490
#22 0x000000316fdfdef9 in ~QGraphicsObject (this=0x184b440, __in_chrg=<optimized out>) at ../../src/gui/graphicsview/qgraphicsitem.h:547
#23 QGraphicsWidget::~QGraphicsWidget (this=0x184b440, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#24 0x00007fb8d3f3f7d9 in SystemTray::TaskArea::~TaskArea (this=0x184b440, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/ui/taskarea.cpp:147
#25 0x00007fb8d3f37ddd in SystemTray::Applet::~Applet (this=0x1865860, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/ui/applet.cpp:145
#26 0x00007fb8d3f37fe9 in SystemTray::Applet::~Applet (this=0x1865860, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/generic/applets/systemtray/ui/applet.cpp:163
#27 0x0000003144f27822 in ~ContainmentPrivate (this=<optimized out>, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/plasma/private/containment_p.h:72
#28 Plasma::Containment::~Containment (this=0x147c660, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/plasma/containment.cpp:148
#29 0x00007fb8d5d58bb9 in Panel::~Panel (this=0x147c660, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/containments/panel/panel.cpp:129
#30 0x0000003144f38bd7 in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/QtCore/qalgorithms.h:322
#31 qDeleteAll<QList<Plasma::Containment*> > (c=...) at /usr/include/QtCore/qalgorithms.h:330
#32 Plasma::CoronaPrivate::~CoronaPrivate (this=0x10b0730, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/plasma/corona.cpp:805
#33 0x0000003144f38e14 in Plasma::Corona::~Corona (this=0xf7aa30, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-4.7.4/plasma/corona.cpp:82
#34 0x0000003145e35c09 in DesktopCorona::~DesktopCorona (this=0xf7aa30, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/desktopcorona.cpp:73
#35 0x0000003145e5682e in PlasmaApp::cleanup (this=0xe4a5b0) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/plasmaapp.cpp:381
#36 0x0000003145e5bcaa in qt_static_metacall (_a=<optimized out>, _id=<optimized out>, _o=0xe4a5b0, _c=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/x86_64-redhat-linux-gnu/plasma/desktop/shell/plasmaapp.moc:120
#37 PlasmaApp::qt_static_metacall (_o=0xe4a5b0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/kde-workspace-4.7.4/x86_64-redhat-linux-gnu/plasma/desktop/shell/plasmaapp.moc:97
#38 0x000000316df8c911 in QMetaObject::activate (sender=0xe4a5b0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3546
#39 0x000000316df7ca65 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1153
#40 0x0000003145e41243 in kdemain (argc=1, argv=0x7fffa1cc7a98) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/main.cpp:120
#41 0x0000003c42a2169d in __libc_start_main (main=0x400850 <main(int, char**)>, argc=1, ubp_av=0x7fffa1cc7a98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa1cc7a88) at libc-start.c:226
#42 0x0000000000400881 in _start ()

This bug may be a duplicate of or related to bug 281557.

Possible duplicates by query: bug 287792, bug 287288, bug 286371, bug 286296, bug 285763.

Reported using DrKonqi