Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-10-generic x86_64
Distribution: Ubuntu oneiric (development branch)

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

Adding a panel.  Using nvidia binary driver.  2 monitors. Existing panel was vertical

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb61271a7c0 (LWP 2791))]

Thread 4 (Thread 0x7fb5ece39700 (LWP 2794)):
#0  0x00007fb611ff7773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb606591078 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb606591539 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb60f1ebf3e in QEventDispatcherGlib::processEvents (this=0x22ac370, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb60f1bfcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb60f1bfef7 in QEventLoop::exec (this=0x7fb5ece38cd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fb60f0d727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fb60f1a2cbf in QInotifyFileSystemWatcherEngine::run (this=0x22b0de0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb60f0d9d05 in QThreadPrivate::start (arg=0x22b0de0) at thread/qthread_unix.cpp:331
#9  0x00007fb6038ab56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fb60709dedc in start_thread (arg=0x7fb5ece39700) at pthread_create.c:304
#11 0x00007fb61200389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fb5e6fbf700 (LWP 2795)):
#0  0x00007fb611ff7773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb606591078 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb606591539 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb60f1ebf3e in QEventDispatcherGlib::processEvents (this=0x2002d40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fb60f1bfcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb60f1bfef7 in QEventLoop::exec (this=0x7fb5e6fbecd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fb60f0d727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fb60f1a2cbf in QInotifyFileSystemWatcherEngine::run (this=0x1fe25e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb60f0d9d05 in QThreadPrivate::start (arg=0x1fe25e0) at thread/qthread_unix.cpp:331
#9  0x00007fb6038ab56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fb60709dedc in start_thread (arg=0x7fb5e6fbf700) at pthread_create.c:304
#11 0x00007fb61200389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fb5e67be700 (LWP 20968)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb60c1fafe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fb60c1fb019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fb6038ab56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007fb60709dedc in start_thread (arg=0x7fb5e67be700) at pthread_create.c:304
#5  0x00007fb61200389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb61271a7c0 (LWP 2791)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x0) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0x00007fb60eb98111 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#8  0x00007fb60eb99232 in ensureDynamicConstraint (this=0x5807da0) at graphicsview/qgridlayoutengine.cpp:1657
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x5807da0) at graphicsview/qgridlayoutengine.cpp:1652
#10 0x00007fb60eb992e9 in QGridLayoutEngine::hasDynamicConstraint (this=0x5807da0) at graphicsview/qgridlayoutengine.cpp:1677
#11 0x00007fb60eb9d618 in QGridLayoutEngine::sizeHint (this=0x5807da0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#12 0x00007fb60eb26b9a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#13 0x00007fb60eb51759 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x5807c90, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0x00007fb60eb52011 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 0x00007fb60eb8edb1 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#17 0x00007fb60eb5182f in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x5807ba0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0x00007fb60eb52011 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 0x00007fb5f560b905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x49639d0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0x00007fb5f560d5d9 in SystemTray::TaskArea::addWidgetForTask (this=0x49639d0, task=0x444a380) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0x00007fb5f560d926 in SystemTray::TaskArea::addTask (this=0x49639d0, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0x00007fb5f560e124 in SystemTray::TaskArea::qt_metacall (this=0x49639d0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff67a2e2e0) at ./taskarea.moc:89
#24 0x00007fb60f1d3eba in QMetaObject::activate (sender=0x204dc40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff67a2e2e0) at kernel/qobject.cpp:3278
#25 0x00007fb5f55f087f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x444a380) at ./manager.moc:99
#26 0x00007fb5f55f0a95 in SystemTray::Manager::addTask (this=0x204dc40, task=0x444a380) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x00007fb5f55f0be4 in SystemTray::Manager::qt_metacall (this=0x204dc40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff67a2e450) at ./manager.moc:86
#28 0x00007fb60f1d3eba in QMetaObject::activate (sender=0x204d780, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff67a2e450) at kernel/qobject.cpp:3278
#29 0x00007fb5f55f108f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x444a380) at ./protocol.moc:91
#30 0x00007fb5f55f8178 in SystemTray::PlasmoidProtocol::addApplet (this=0x204d780, appletName=..., id=<optimized out>, parent=0x4e75090) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#31 0x00007fb5f55f06d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#32 0x00007fb5f5602a30 in SystemTray::Applet::checkDefaultApplets (this=0x4e75090) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:737
#33 0x00007fb5f5603a4c in SystemTray::Applet::qt_metacall (this=0x4e75090, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x581b180) at ./applet.moc:91
#34 0x00007fb60f1d7a5e in QObject::event (this=0x4e75090, e=<optimized out>) at kernel/qobject.cpp:1217
#35 0x00007fb60eb8f41b in QGraphicsWidget::event (this=0x4e75090, event=0x580dc90) at graphicsview/qgraphicswidget.cpp:1455
#36 0x00007fb60e5713d4 in notify_helper (e=0x580dc90, receiver=0x4e75090, this=0x1b8dea0) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x1b8dea0, receiver=0x4e75090, e=0x580dc90) at kernel/qapplication.cpp:4458
#38 0x00007fb60e576241 in QApplication::notify (this=0x1b86990, receiver=0x4e75090, e=0x580dc90) at kernel/qapplication.cpp:4365
#39 0x00007fb60fe6f216 in KApplication::notify (this=0x1b86990, receiver=0x4e75090, event=0x580dc90) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007fb60f1c0afc in QCoreApplication::notifyInternal (this=0x1b86990, receiver=0x4e75090, event=0x580dc90) at kernel/qcoreapplication.cpp:787
#41 0x00007fb60f1c451f in sendEvent (event=0x580dc90, receiver=0x4e75090) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1ad2430) at kernel/qcoreapplication.cpp:1428
#43 0x00007fb60f1eba73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#45 0x00007fb606590b6d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007fb606591368 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007fb606591539 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007fb60f1ebed6 in QEventDispatcherGlib::processEvents (this=0x1b8d440, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007fb60e618c6e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007fb60f1bfcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007fb60f1bfef7 in QEventLoop::exec (this=0x7fff67a2eeb0, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007fb60f1c4789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#53 0x00007fb6123021a3 in kdemain (argc=1, argv=0x7fff67a2f298) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x00007fb611f4330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff67a2f298, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff67a2f288) at libc-start.c:226
#55 0x0000000000400671 in _start ()

Possible duplicates by query: bug 281782, bug 281575, bug 280596, bug 280549, bug 279478.

Reported using DrKonqi