Bug 285969

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
- Add "Default panel" to the desktop by right click on mouse
- Only one apllication waas open (Evolution) and Wifi connected

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ff392a147a0 (LWP 2806))]

Thread 5 (Thread 0x7ff36fba2700 (LWP 2807)):
#0  0x00007ff3922f9773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff386884f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff386885429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff38f4ebf3e in QEventDispatcherGlib::processEvents (this=0x1373840, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007ff38f4bfcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff38f4bfef7 in QEventLoop::exec (this=0x7ff36fba1db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007ff38f3d727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007ff38f4a2cbf in QInotifyFileSystemWatcherEngine::run (this=0x1373650) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ff38f3d9d05 in QThreadPrivate::start (arg=0x1373650) at thread/qthread_unix.cpp:331
#9  0x00007ff387391efc in start_thread (arg=0x7ff36fba2700) at pthread_create.c:304
#10 0x00007ff39230589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ff36d1ee700 (LWP 2808)):
#0  0x00007ff3873951fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x15123c8) at pthread_mutex_unlock.c:290
#2  0x00007ff38688472e in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff386884f82 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff386885429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff38f4ebf3e in QEventDispatcherGlib::processEvents (this=0x15123a0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007ff38f4bfcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ff38f4bfef7 in QEventLoop::exec (this=0x7ff36d1eddb0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007ff38f3d727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#9  0x00007ff38f4a2cbf in QInotifyFileSystemWatcherEngine::run (this=0x1509820) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007ff38f3d9d05 in QThreadPrivate::start (arg=0x1509820) at thread/qthread_unix.cpp:331
#11 0x00007ff387391efc in start_thread (arg=0x7ff36d1ee700) at pthread_create.c:304
#12 0x00007ff39230589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ff3627a7700 (LWP 2816)):
#0  0x00007ff3922f9773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ff386884f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff386885792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff363285516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ff3868aa2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff387391efc in start_thread (arg=0x7ff3627a7700) at pthread_create.c:304
#6  0x00007ff39230589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff361bbe700 (LWP 4614)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ff38c4f0fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff38c4f1019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff387391efc in start_thread (arg=0x7ff361bbe700) at pthread_create.c:304
#4  0x00007ff39230589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff392a147a0 (LWP 2806)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x740065006e002e) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0x00007ff38ee98591 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#8  0x00007ff38ee996b2 in ensureDynamicConstraint (this=0x2106ba0) at graphicsview/qgridlayoutengine.cpp:1657
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x2106ba0) at graphicsview/qgridlayoutengine.cpp:1652
#10 0x00007ff38ee99769 in QGridLayoutEngine::hasDynamicConstraint (this=0x2106ba0) at graphicsview/qgridlayoutengine.cpp:1677
#11 0x00007ff38ee9da98 in QGridLayoutEngine::sizeHint (this=0x2106ba0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#12 0x00007ff38ee2701a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#13 0x00007ff38ee51bd9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x2106a90, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0x00007ff38ee52491 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#15 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:810
#16 0x00007ff38ee8f231 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#17 0x00007ff38ee51caf in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x21069a0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0x00007ff38ee52491 in effectiveSizeHint (constraint=<optimized out>, which=<optimized out>, this=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:818
#19 QGraphicsLayoutItem::effectiveSizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicslayoutitem.cpp:810
#20 0x00007ff378503905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x21035f0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0x00007ff3785055d9 in SystemTray::TaskArea::addWidgetForTask (this=0x21035f0, task=0x2d34000) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0x00007ff378505926 in SystemTray::TaskArea::addTask (this=0x21035f0, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0x00007ff378506124 in SystemTray::TaskArea::qt_metacall (this=0x21035f0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff55a2be70) at ./taskarea.moc:89
#24 0x00007ff38f4d3eba in QMetaObject::activate (sender=0xc2dc10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff55a2be70) at kernel/qobject.cpp:3278
#25 0x00007ff3784e887f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x2d34000) at ./manager.moc:99
#26 0x00007ff3784e8a95 in SystemTray::Manager::addTask (this=0xc2dc10, task=0x2d34000) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x00007ff3784e8be4 in SystemTray::Manager::qt_metacall (this=0xc2dc10, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff55a2bfe0) at ./manager.moc:86
#28 0x00007ff38f4d3eba in QMetaObject::activate (sender=0xc47990, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff55a2bfe0) at kernel/qobject.cpp:3278
#29 0x00007ff3784e908f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x2d34000) at ./protocol.moc:91
#30 0x00007ff3784f0178 in SystemTray::PlasmoidProtocol::addApplet (this=0xc47990, appletName=..., id=<optimized out>, parent=0x218c300) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#31 0x00007ff3784e86d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#32 0x00007ff3784faa30 in SystemTray::Applet::checkDefaultApplets (this=0x218c300) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:737
#33 0x00007ff3784fba4c in SystemTray::Applet::qt_metacall (this=0x218c300, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x30c46b0) at ./applet.moc:91
#34 0x00007ff38f4d7a5e in QObject::event (this=0x218c300, e=<optimized out>) at kernel/qobject.cpp:1217
#35 0x00007ff38ee8f89b in QGraphicsWidget::event (this=0x218c300, event=0x211e0f0) at graphicsview/qgraphicswidget.cpp:1455
#36 0x00007ff38e871424 in notify_helper (e=0x211e0f0, receiver=0x218c300, this=0x97e3f0) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x97e3f0, receiver=0x218c300, e=0x211e0f0) at kernel/qapplication.cpp:4458
#38 0x00007ff38e876291 in QApplication::notify (this=0x9708e0, receiver=0x218c300, e=0x211e0f0) at kernel/qapplication.cpp:4365
#39 0x00007ff39016f126 in KApplication::notify (this=0x9708e0, receiver=0x218c300, event=0x211e0f0) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007ff38f4c0afc in QCoreApplication::notifyInternal (this=0x9708e0, receiver=0x218c300, event=0x211e0f0) at kernel/qcoreapplication.cpp:787
#41 0x00007ff38f4c451f in sendEvent (event=0x211e0f0, receiver=0x218c300) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x910430) at kernel/qcoreapplication.cpp:1428
#43 0x00007ff38f4eba73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#45 0x00007ff386884a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007ff386885258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007ff386885429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007ff38f4ebed6 in QEventDispatcherGlib::processEvents (this=0x911f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007ff38e91907e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007ff38f4bfcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007ff38f4bfef7 in QEventLoop::exec (this=0x7fff55a2ca40, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007ff38f4c4789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#53 0x00007ff3926041a3 in kdemain (argc=1, argv=0x7fff55a2ce28) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x00007ff39224530d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff55a2ce28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff55a2ce18) at libc-start.c:226
#55 0x0000000000400671 in _start ()

Possible duplicates by query: bug 285929, bug 285926, bug 285855, bug 285520, bug 285518.

Reported using DrKonqi