Bug 289208

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.i686 i686
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
- What I was doing when the application crashed:  making a new panel (panel options - add panel - default panel)
recent upgrade to fedora 16 on an older computer

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb783f780 (LWP 1523))]

Thread 3 (Thread 0xb19d9b40 (LWP 1524)):
#0  0x01aa602c in g_main_context_check (context=0xb10004e0, max_priority=2147483647, fds=0xb1001cd0, n_fds=1) at gmain.c:2884
#1  0x01aa6c60 in g_main_context_iterate (context=0xb10004e0, block=28006304, dispatch=1, self=0xb1000d70) at gmain.c:3070
#2  0x01aa6faf in g_main_context_iteration (context=0xb10004e0, may_block=1) at gmain.c:3136
#3  0x088e9c67 in QEventDispatcherGlib::processEvents (this=0xb1000468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x088b5e4e in QEventLoop::processEvents (this=0xb19d9200, flags=...) at kernel/qeventloop.cpp:149
#5  0x088b60f9 in QEventLoop::exec (this=0xb19d9200, flags=...) at kernel/qeventloop.cpp:204
#6  0x0879fadc in QThread::exec (this=0xa4d2288) at thread/qthread.cpp:501
#7  0x08892dde in QInotifyFileSystemWatcherEngine::run (this=0xa4d2288) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x087a3061 in QThreadPrivate::start (arg=0xa4d2288) at thread/qthread_unix.cpp:298
#9  0x00701cd3 in start_thread (arg=0xb19d9b40) at pthread_create.c:309
#10 0x075767ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 2 (Thread 0xb03ffb40 (LWP 1529)):
#0  0x00a93416 in __kernel_vsyscall ()
#1  0x0070584c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:172
#2  0x00285271 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x385980) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#3  0x002852b0 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x385980) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#4  0x00701cd3 in start_thread (arg=0xb03ffb40) at pthread_create.c:309
#5  0x075767ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 1 (Thread 0xb783f780 (LWP 1523)):
[KCrash Handler]
#7  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x0) at graphicsview/qgraphicslayoutitem.cpp:280
#8  0x0318f7d9 in QGridLayoutItem::hasDynamicConstraint (this=0xb6d4f10) at graphicsview/qgridlayoutengine.cpp:576
#9  0x0319085e in ensureDynamicConstraint (this=0xb74e2c0) at graphicsview/qgridlayoutengine.cpp:1666
#10 QGridLayoutEngine::ensureDynamicConstraint (this=0xb74e2c0) at graphicsview/qgridlayoutengine.cpp:1661
#11 0x03190901 in QGridLayoutEngine::hasDynamicConstraint (this=0xb74e2c0) at graphicsview/qgridlayoutengine.cpp:1686
#12 0x03194a03 in QGridLayoutEngine::sizeHint (this=0xb74e2c0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1143
#13 0x03114541 in QGraphicsGridLayout::sizeHint (this=0xae94790, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:670
#14 0x03141ca0 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0xb74e1d0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#15 0x03142684 in effectiveSizeHint (constraint=..., which=Qt::MinimumSize, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:813
#16 QGraphicsLayoutItem::effectiveSizeHint (this=0xae94790, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:805
#17 0x0318550d in QGraphicsWidget::sizeHint (this=0xb517b58, which=Qt::MinimumSize, constraint=...) at graphicsview/qgraphicswidget.cpp:743
#18 0x03141d4c in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0xb5d7108, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#19 0x03142684 in effectiveSizeHint (constraint=..., which=Qt::PreferredSize, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:813
#20 QGraphicsLayoutItem::effectiveSizeHint (this=0xb517b68, which=Qt::PreferredSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:805
#21 0x03a25d42 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0xae94600) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#22 0x03a27d89 in SystemTray::TaskArea::addWidgetForTask (this=0xae94600, task=0xb614bb0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#23 0x03a28170 in SystemTray::TaskArea::addTask (this=0xae94600, task=0xb614bb0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#24 0x088cc801 in QMetaObject::activate (sender=0xa1cda80, m=0x3a34378, local_signal_index=0, argv=0xbfd25818) at kernel/qobject.cpp:3546
#25 0x03a07156 in SystemTray::Manager::taskAdded (this=0xa1cda80, _t1=0xb614bb0) at /usr/src/debug/kde-workspace-4.7.3/i686-redhat-linux-gnu/plasma/generic/applets/systemtray/manager.moc:113
#26 0x03a073f9 in SystemTray::Manager::addTask (this=0xa1cda80, task=0xb614bb0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x088cc801 in QMetaObject::activate (sender=0xa198e28, m=0x3a343dc, local_signal_index=0, argv=0xbfd25958) at kernel/qobject.cpp:3546
#28 0x03a07b96 in SystemTray::Protocol::taskCreated (this=0xa198e28, _t1=0xb614bb0) at /usr/src/debug/kde-workspace-4.7.3/i686-redhat-linux-gnu/plasma/generic/applets/systemtray/protocol.moc:105
#29 0x03a0fe07 in SystemTray::PlasmoidProtocol::addApplet (this=0xa198e28, appletName=..., id=0, parent=0xbe8d8a0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#30 0x03a06eea in SystemTray::Manager::addApplet (this=0xa1cda80, appletName=..., parent=0xbe8d8a0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/core/manager.cpp:110
#31 0x03a1bc6b in SystemTray::Applet::checkDefaultApplets (this=0xbe8d8a0) at /usr/src/debug/kde-workspace-4.7.3/plasma/generic/applets/systemtray/ui/applet.cpp:737
#32 0x088c90b2 in QMetaCallEvent::placeMetaCall (this=0xb095170, object=0xbe8d8a0) at kernel/qobject.cpp:524
#33 0x088d1d7b in QObject::event (this=0xbe8d8a0, e=0xb095170) at kernel/qobject.cpp:1194
#34 0x03185d4c in QGraphicsWidget::event (this=0xbe8d8a0, event=0xb095170) at graphicsview/qgraphicswidget.cpp:1461
#35 0x02aa5a34 in notify_helper (e=0xb095170, receiver=0xbe8d8a0, this=0x9fe1af8) at kernel/qapplication.cpp:4518
#36 QApplicationPrivate::notify_helper (this=0x9fe1af8, receiver=0xbe8d8a0, e=0xb095170) at kernel/qapplication.cpp:4490
#37 0x02aaaed3 in QApplication::notify (this=0xb095170, receiver=0xbe8d8a0, e=0xb095170) at kernel/qapplication.cpp:4247
#38 0x01465622 in KApplication::notify (this=0x9fd8400, receiver=0xbe8d8a0, event=0xb095170) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#39 0x088b6f5e in QCoreApplication::notifyInternal (this=0x9fd8400, receiver=0xbe8d8a0, event=0xb095170) at kernel/qcoreapplication.cpp:876
#40 0x088baeb8 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#41 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9f9d1e0) at kernel/qcoreapplication.cpp:1500
#42 0x088bb1ed in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#43 0x088e9805 in sendPostedEvents () at kernel/qcoreapplication.h:236
#44 postEventSourceDispatch (s=0x9fe4cc0) at kernel/qeventdispatcher_glib.cpp:279
#45 0x01aa65bf in g_main_dispatch (context=0x9fe4c30) at gmain.c:2425
#46 g_main_context_dispatch (context=0x9fe4c30) at gmain.c:2995
#47 0x01aa6d00 in g_main_context_iterate (context=0x9fe4c30, block=28006304, dispatch=1, self=0x9fe2888) at gmain.c:3073
#48 0x01aa6faf in g_main_context_iteration (context=0x9fe4c30, may_block=1) at gmain.c:3136
#49 0x088e9c08 in QEventDispatcherGlib::processEvents (this=0x9f9dd48, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#50 0x02b5a38b in QGuiEventDispatcherGlib::processEvents (this=0x9f9dd48, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#51 0x088b5e4e in QEventLoop::processEvents (this=0xbfd262c4, flags=...) at kernel/qeventloop.cpp:149
#52 0x088b60f9 in QEventLoop::exec (this=0xbfd262c4, flags=...) at kernel/qeventloop.cpp:204
#53 0x088bb29b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#54 0x02aa3835 in QApplication::exec () at kernel/qapplication.cpp:3779
#55 0x00b498f6 in kdemain (argc=1, argv=0xbfd264c4) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/shell/main.cpp:120
#56 0x0804873c in main (argc=1, argv=0xbfd264c4) at /usr/src/debug/kde-workspace-4.7.3/i686-redhat-linux-gnu/plasma/desktop/shell/plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 289155, bug 289104, bug 289040, bug 288431, bug 288371.

Reported using DrKonqi