Bug 289155

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.8.0
Operating System: Linux 3.1.5-2.fc16.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

trying to add a widget to the top panel
(Also I tried to send this report before but abrt wouldn't let me -- why?)

-- Backtrace:
Application: Plasma Desktop Shell (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 0x7f59c4297840 (LWP 1492))]

Thread 2 (Thread 0x7f59b2064700 (LWP 1498)):
#0  0x0000003890ae6a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003892a44f88 in g_main_context_poll (n_fds=1, fds=0x7f59a0002200, priority=<optimized out>, timeout=-1, context=0x7f59a00009a0) at gmain.c:3386
#2  g_main_context_iterate (context=0x7f59a00009a0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3068
#3  0x0000003892a4544c in g_main_context_iteration (context=0x7f59a00009a0, may_block=1) at gmain.c:3136
#4  0x00000038997a6896 in QEventDispatcherGlib::processEvents (this=0x7f59a00008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003899776c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003899776ed7 in QEventLoop::exec (this=0x7f59b2063d10, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003899678ad7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x0000003899756a5f in QInotifyFileSystemWatcherEngine::run (this=0x12b2190) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x000000389967bb1b in QThreadPrivate::start (arg=0x12b2190) at thread/qthread_unix.cpp:298
#10 0x0000003891207d90 in start_thread (arg=0x7f59b2064700) at pthread_create.c:309
#11 0x0000003890aef3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f59c4297840 (LWP 1492)):
[KCrash Handler]
#6  QGraphicsLayoutItem::graphicsItem (this=0x782e32310000000a) at graphicsview/qgraphicslayoutitem.cpp:915
#7  0x000000389e9bd4a1 in QGraphicsLayoutItemPrivate::hasHeightForWidth (this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:286
#8  0x000000389ea02e71 in QGridLayoutItem::hasDynamicConstraint (this=0x29785c0) at graphicsview/qgridlayoutengine.cpp:576
#9  0x000000389ea03fd2 in ensureDynamicConstraint (this=0x215db50) at graphicsview/qgridlayoutengine.cpp:1666
#10 QGridLayoutEngine::ensureDynamicConstraint (this=0x215db50) at graphicsview/qgridlayoutengine.cpp:1661
#11 0x000000389ea04089 in QGridLayoutEngine::hasDynamicConstraint (this=0x215db50) at graphicsview/qgridlayoutengine.cpp:1686
#12 0x000000389ea07fd8 in QGridLayoutEngine::sizeHint (this=0x215db50, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1143
#13 0x000000389e991c6a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:670
#14 0x000000389e9bc6c9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x215da40, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#15 0x000000389e9bcf71 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:813
#16 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:805
#17 0x000000389e9f98b1 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#18 0x000000389e9bc79f in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x1f1c120, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#19 0x000000389e9bcf71 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:813
#20 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:805
#21 0x00007f59b3bcbaf5 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x1b8ddb0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#22 0x00007f59b3bcd7c9 in SystemTray::TaskArea::addWidgetForTask (this=0x1b8ddb0, task=0x2d27420) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#23 0x00007f59b3bcdb16 in SystemTray::TaskArea::addTask (this=0x1b8ddb0, task=<optimized out>) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#24 0x000000389978b7d1 in QMetaObject::activate (sender=0xfc9190, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff83eee840) at kernel/qobject.cpp:3546
#25 0x00007f59b3bb0c9f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x2d27420) at /usr/src/debug/kde-workspace-4.7.3/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/manager.moc:113
#26 0x00007f59b3bb0eb5 in SystemTray::Manager::addTask (this=0xfc9190, task=0x2d27420) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x000000389978b7d1 in QMetaObject::activate (sender=0xfc8cf0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff83eee9f0) at kernel/qobject.cpp:3546
#28 0x00007f59b3bb147f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x2d27420) at /usr/src/debug/kde-workspace-4.7.3/x86_64-redhat-linux-gnu/plasma/generic/applets/systemtray/protocol.moc:105
#29 0x00007f59b3bb8568 in SystemTray::PlasmoidProtocol::addApplet (this=0xfc8cf0, appletName=..., id=<optimized out>, parent=0x2364850) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#30 0x00007f59b3bb0af6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/core/manager.cpp:110
#31 0x00007f59b3bc2bb0 in SystemTray::Applet::checkDefaultApplets (this=0x2364850) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/applet.cpp:737
#32 0x00000038997909e6 in QObject::event (this=0x2364850, e=<optimized out>) at kernel/qobject.cpp:1194
#33 0x000000389e9f9f1b in QGraphicsWidget::event (this=0x2364850, event=0x35d6ce0) at graphicsview/qgraphicswidget.cpp:1461
#34 0x000000389e3c96f4 in notify_helper (e=0x35d6ce0, receiver=0x2364850, this=0x7471a0) at kernel/qapplication.cpp:4518
#35 QApplicationPrivate::notify_helper (this=0x7471a0, receiver=0x2364850, e=0x35d6ce0) at kernel/qapplication.cpp:4490
#36 0x000000389e3ce573 in QApplication::notify (this=0x72ef10, receiver=0x2364850, e=0x35d6ce0) at kernel/qapplication.cpp:4379
#37 0x0000003d24c50396 in KApplication::notify (this=0x72ef10, receiver=0x2364850, event=0x35d6ce0) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#38 0x0000003899777b4c in QCoreApplication::notifyInternal (this=0x72ef10, receiver=0x2364850, event=0x35d6ce0) at kernel/qcoreapplication.cpp:876
#39 0x000000389977b5da in sendEvent (event=0x35d6ce0, receiver=0x2364850) at kernel/qcoreapplication.h:231
#40 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x6df6e0) at kernel/qcoreapplication.cpp:1500
#41 0x00000038997a6403 in sendPostedEvents () at kernel/qcoreapplication.h:236
#42 postEventSourceDispatch (s=0x74b650) at kernel/qeventdispatcher_glib.cpp:279
#43 0x0000003892a44a7d in g_main_dispatch (context=0x74a4e0) at gmain.c:2425
#44 g_main_context_dispatch (context=0x74a4e0) at gmain.c:2995
#45 0x0000003892a45278 in g_main_context_iterate (context=0x74a4e0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3073
#46 0x0000003892a4544c in g_main_context_iteration (context=0x74a4e0, may_block=1) at gmain.c:3136
#47 0x00000038997a682f in QEventDispatcherGlib::processEvents (this=0x6e0ba0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#48 0x000000389e46c43e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:207
#49 0x0000003899776c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#50 0x0000003899776ed7 in QEventLoop::exec (this=0x7fff83eef5d0, flags=...) at kernel/qeventloop.cpp:204
#51 0x000000389977b8d5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#52 0x0000003897641243 in kdemain (argc=1, argv=0x7fff83eef9b8) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/shell/main.cpp:120
#53 0x0000003890a2169d in __libc_start_main (main=0x400850 <main(int, char**)>, argc=1, ubp_av=0x7fff83eef9b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff83eef9a8) at libc-start.c:226
#54 0x0000000000400881 in _start ()

Possible duplicates by query: bug 288137, bug 287313, bug 286802, bug 286242, bug 286181.

Reported using DrKonqi