Application: plasma-desktop (0.4)
KDE Platform Version: 4.10.00
Qt Version: 4.8.3
Operating System: Linux 3.5.0-23-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
Crashed when tried to move system tray from desktop to panel. 

--
* After kde upgrade to version 4.10.0, system tray (which usually is on the panel) appears on desktop.  
* Widgets don't appear when trying to add new widget

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1d45891780 (LWP 2058))]

Thread 4 (Thread 0x7f1d2b20d700 (LWP 2059)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f1d3ee69cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f1d3ee69d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f1d39504e9a in start_thread (arg=0x7f1d2b20d700) at pthread_create.c:308
#4  0x00007f1d45175cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f1d28957700 (LWP 2060)):
#0  operator!= (value=1, this=0x7f1d24001330) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:75
#1  postEventSourcePrepare (s=0x7f1d240012d0, timeout=0x7f1d28956c14) at kernel/qeventdispatcher_glib.cpp:267
#2  0x00007f1d38e05618 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d38e05cab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1d38e05ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1d41e12c16 in QEventDispatcherGlib::processEvents (this=0x7f1d240008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f1d41de32bf in QEventLoop::processEvents (this=this@entry=0x7f1d28956dd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f1d41de3548 in QEventLoop::exec (this=0x7f1d28956dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f1d41ce4b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f1d41dc39af in QInotifyFileSystemWatcherEngine::run (this=0x29197b0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f1d41ce7aec in QThreadPrivate::start (arg=0x29197b0) at thread/qthread_unix.cpp:338
#11 0x00007f1d39504e9a in start_thread (arg=0x7f1d28957700) at pthread_create.c:308
#12 0x00007f1d45175cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f1d23564700 (LWP 2062)):
#0  0x00007f1d4516a303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f1d38e05d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1d38e05ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1d41e12c16 in QEventDispatcherGlib::processEvents (this=0x7f1d1c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f1d41de32bf in QEventLoop::processEvents (this=this@entry=0x7f1d23563dd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f1d41de3548 in QEventLoop::exec (this=0x7f1d23563dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f1d41ce4b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f1d41dc39af in QInotifyFileSystemWatcherEngine::run (this=0x2a05b30) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f1d41ce7aec in QThreadPrivate::start (arg=0x2a05b30) at thread/qthread_unix.cpp:338
#9  0x00007f1d39504e9a in start_thread (arg=0x7f1d23564700) at pthread_create.c:308
#10 0x00007f1d45175cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1d45891780 (LWP 2058)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x0) at graphicsview/qgraphicslayoutitem.cpp:346
#7  0x00007f1d41767935 in QGraphicsLayoutItemPrivate::hasHeightForWidth (this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:349
#8  0x00007f1d417ad3a1 in QGridLayoutItem::hasDynamicConstraint (this=0x379de00) at graphicsview/qgridlayoutengine.cpp:576
#9  0x00007f1d417ae540 in QGridLayoutEngine::ensureDynamicConstraint (this=0x2670e50) at graphicsview/qgridlayoutengine.cpp:1666
#10 0x00007f1d417ae5e9 in QGridLayoutEngine::hasDynamicConstraint (this=this@entry=0x2670e50) at graphicsview/qgridlayoutengine.cpp:1686
#11 0x00007f1d417b1e73 in QGridLayoutEngine::sizeHint (this=0x2670e50, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1143
#12 0x00007f1d41767ea9 in QGraphicsLinearLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicslinearlayout.cpp:532
#13 0x00007f1d41766b33 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x2670d40, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:235
#14 0x00007f1d4176737a in QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:879
#15 0x00007f1d4176741f in QGraphicsLayoutItem::setGeometry (this=0x478aa20, rect=...) at graphicsview/qgraphicslayoutitem.cpp:787
#16 0x00007f1d41767f47 in QGraphicsLinearLayout::setGeometry (this=this@entry=0x478aa20, rect=...) at graphicsview/qgraphicslinearlayout.cpp:498
#17 0x00007f1d41765d24 in QGraphicsLayout::activate (this=this@entry=0x478aa20) at graphicsview/qgraphicslayout.cpp:276
#18 0x00007f1d41765da1 in QGraphicsLayout::widgetEvent (this=0x478aa20, e=<optimized out>) at graphicsview/qgraphicslayout.cpp:393
#19 0x00007f1d417a44fa in QGraphicsWidget::event (this=0x4291bf0, event=0x4f4bd10) at graphicsview/qgraphicswidget.cpp:1385
#20 0x00007f1d4118be9c in QApplicationPrivate::notify_helper (this=this@entry=0x24f1330, receiver=receiver@entry=0x4291bf0, e=e@entry=0x4f4bd10) at kernel/qapplication.cpp:4562
#21 0x00007f1d4119030a in QApplication::notify (this=0x24e25f0, receiver=0x4291bf0, e=0x4f4bd10) at kernel/qapplication.cpp:4423
#22 0x00007f1d42a9d636 in KApplication::notify (this=0x24e25f0, receiver=0x4291bf0, event=0x4f4bd10) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f1d41de456e in QCoreApplication::notifyInternal (this=0x24e25f0, receiver=receiver@entry=0x4291bf0, event=event@entry=0x4f4bd10) at kernel/qcoreapplication.cpp:915
#24 0x00007f1d41de83f1 in sendEvent (event=0x4f4bd10, receiver=0x4291bf0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x24791f0) at kernel/qcoreapplication.cpp:1539
#26 0x00007f1d41e12a63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#27 postEventSourceDispatch (s=0x24f3a00) at kernel/qeventdispatcher_glib.cpp:279
#28 0x00007f1d38e05ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f1d38e05de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f1d38e05ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f1d41e12bf6 in QEventDispatcherGlib::processEvents (this=0x247aad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0x00007f1d41230c1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f1d41de32bf in QEventLoop::processEvents (this=this@entry=0x7fffb887bb50, flags=...) at kernel/qeventloop.cpp:149
#34 0x00007f1d41de3548 in QEventLoop::exec (this=0x7fffb887bb50, flags=...) at kernel/qeventloop.cpp:204
#35 0x00007f1d41de8708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#36 0x00007f1d4547c035 in ButtonGroup (parent=<optimized out>, this=0x7fffb887bcf0) at ../../../../plasma/desktop/shell/panelcontroller.cpp:60
#37 PanelController::PanelController (this=0x24e25f0, parent=<optimized out>) at ../../../../plasma/desktop/shell/panelcontroller.cpp:135
#38 0x00007f1d458d8560 in ?? ()
#39 0x00000000024b7150 in ?? ()
#40 0x00007f1d458db2e8 in _r_debug ()
#41 0x00000000024d6ff0 in ?? ()
#42 0x00007f1d4543a740 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#43 0x00000000024b8090 in ?? ()
#44 0x00007f1d458b59e0 in ?? ()
#45 0x00000000024d3950 in ?? ()
#46 0x0000000000000000 in ?? ()

Possible duplicates by query: bug 313744, bug 309239, bug 308985, bug 306858, bug 302382.

Reported using DrKonqi