Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: clicked on "New Activity" in the top right corner and clicked on "new panel" then "default panel" when it crashed

- Unusual behavior I noticed: It deleted my desktop folder from the desktop.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f37384ae7a0 (LWP 1479))]

Thread 5 (Thread 0x7f3715bed700 (LWP 1496)):
#0  0x00007f372ce1c034 in __pthread_mutex_lock (mutex=0x2913498) at pthread_mutex_lock.c:61
#1  0x00007f372c30d044 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f372c30d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3734f73f3e in QEventDispatcherGlib::processEvents (this=0x2911c80, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f3734f47cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f3734f47ef7 in QEventLoop::exec (this=0x7f3715becdb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f3734e5f27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f3734f2acbf in QInotifyFileSystemWatcherEngine::run (this=0x2910f70) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f3734e61d05 in QThreadPrivate::start (arg=0x2910f70) at thread/qthread_unix.cpp:331
#9  0x00007f372ce19efc in start_thread (arg=0x7f3715bed700) at pthread_create.c:304
#10 0x00007f3737d8e89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f370efbf700 (LWP 1497)):
#0  0x00007f3737d82773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f372c30cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f372c30d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3734f73f3e in QEventDispatcherGlib::processEvents (this=0x28c3870, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f3734f47cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f3734f47ef7 in QEventLoop::exec (this=0x7f370efbedb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f3734e5f27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f3734f2acbf in QInotifyFileSystemWatcherEngine::run (this=0x2aadc10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f3734e61d05 in QThreadPrivate::start (arg=0x2aadc10) at thread/qthread_unix.cpp:331
#9  0x00007f372ce19efc in start_thread (arg=0x7f370efbf700) at pthread_create.c:304
#10 0x00007f3737d8e89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f3709450700 (LWP 1505)):
#0  0x00007f3737d82773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f372c30cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f372c30d792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3709f2e516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f372c3322b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f372ce19efc in start_thread (arg=0x7f3709450700) at pthread_create.c:304
#6  0x00007f3737d8e89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f3709c51700 (LWP 2141)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3731f78fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f3731f79019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f372ce19efc in start_thread (arg=0x7f3709c51700) at pthread_create.c:304
#4  0x00007f3737d8e89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f37384ae7a0 (LWP 1479)):
[KCrash Handler]
#6  QGraphicsLayoutItemPrivate::hasHeightForWidth (this=0x740065006e002e) at graphicsview/qgraphicslayoutitem.cpp:280
#7  0x00007f3734920591 in QGridLayoutItem::hasDynamicConstraint (this=<optimized out>) at graphicsview/qgridlayoutengine.cpp:576
#8  0x00007f37349216b2 in ensureDynamicConstraint (this=0x4c508f0) at graphicsview/qgridlayoutengine.cpp:1657
#9  QGridLayoutEngine::ensureDynamicConstraint (this=0x4c508f0) at graphicsview/qgridlayoutengine.cpp:1652
#10 0x00007f3734921769 in QGridLayoutEngine::hasDynamicConstraint (this=0x4c508f0) at graphicsview/qgridlayoutengine.cpp:1677
#11 0x00007f3734925a98 in QGridLayoutEngine::sizeHint (this=0x4c508f0, styleInfo=..., which=Qt::MaximumSize, constraint=...) at graphicsview/qgridlayoutengine.cpp:1134
#12 0x00007f37348af01a in QGraphicsGridLayout::sizeHint (this=<optimized out>, which=Qt::MaximumSize, constraint=...) at graphicsview/qgraphicsgridlayout.cpp:656
#13 0x00007f37348d9bd9 in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x4c507e0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:169
#14 0x00007f37348da491 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 0x00007f3734917231 in QGraphicsWidget::sizeHint (this=<optimized out>, which=<optimized out>, constraint=<optimized out>) at graphicsview/qgraphicswidget.cpp:743
#17 0x00007f37348d9caf in QGraphicsLayoutItemPrivate::effectiveSizeHints (this=0x4c506f0, constraint=...) at graphicsview/qgraphicslayoutitem.cpp:175
#18 0x00007f37348da491 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 0x00007f371e321905 in SystemTray::TaskArea::adjustHiddentTasksWidget (this=0x5711930) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:452
#21 0x00007f371e3235d9 in SystemTray::TaskArea::addWidgetForTask (this=0x5711930, task=0x5997ea0) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:320
#22 0x00007f371e323926 in SystemTray::TaskArea::addTask (this=0x5711930, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#23 0x00007f371e324124 in SystemTray::TaskArea::qt_metacall (this=0x5711930, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7ffff77f06c0) at ./taskarea.moc:89
#24 0x00007f3734f5beba in QMetaObject::activate (sender=0x23a07e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff77f06c0) at kernel/qobject.cpp:3278
#25 0x00007f371e30687f in SystemTray::Manager::taskAdded (this=<optimized out>, _t1=0x5997ea0) at ./manager.moc:99
#26 0x00007f371e306a95 in SystemTray::Manager::addTask (this=0x23a07e0, task=0x5997ea0) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:87
#27 0x00007f371e306be4 in SystemTray::Manager::qt_metacall (this=0x23a07e0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7ffff77f0830) at ./manager.moc:86
#28 0x00007f3734f5beba in QMetaObject::activate (sender=0x23f8f50, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffff77f0830) at kernel/qobject.cpp:3278
#29 0x00007f371e30708f in SystemTray::Protocol::taskCreated (this=<optimized out>, _t1=0x5997ea0) at ./protocol.moc:91
#30 0x00007f371e30e178 in SystemTray::PlasmoidProtocol::addApplet (this=0x23f8f50, appletName=..., id=<optimized out>, parent=0x41faf00) at ../../../../../plasma/generic/applets/systemtray/protocols/plasmoid/plasmoidtaskprotocol.cpp:112
#31 0x00007f371e3066d6 in SystemTray::Manager::addApplet (this=<optimized out>, appletName=<optimized out>, parent=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/core/manager.cpp:110
#32 0x00007f371e318a30 in SystemTray::Applet::checkDefaultApplets (this=0x41faf00) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:737
#33 0x00007f371e319a4c in SystemTray::Applet::qt_metacall (this=0x41faf00, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x569e6a0) at ./applet.moc:91
#34 0x00007f3734f5fa5e in QObject::event (this=0x41faf00, e=<optimized out>) at kernel/qobject.cpp:1217
#35 0x00007f373491789b in QGraphicsWidget::event (this=0x41faf00, event=0x56a5750) at graphicsview/qgraphicswidget.cpp:1455
#36 0x00007f37342f9424 in notify_helper (e=0x56a5750, receiver=0x41faf00, this=0x1e7c760) at kernel/qapplication.cpp:4486
#37 QApplicationPrivate::notify_helper (this=0x1e7c760, receiver=0x41faf00, e=0x56a5750) at kernel/qapplication.cpp:4458
#38 0x00007f37342fe291 in QApplication::notify (this=0x1e6eca0, receiver=0x41faf00, e=0x56a5750) at kernel/qapplication.cpp:4365
#39 0x00007f3735bf7126 in KApplication::notify (this=0x1e6eca0, receiver=0x41faf00, event=0x56a5750) at ../../kdeui/kernel/kapplication.cpp:311
#40 0x00007f3734f48afc in QCoreApplication::notifyInternal (this=0x1e6eca0, receiver=0x41faf00, event=0x56a5750) at kernel/qcoreapplication.cpp:787
#41 0x00007f3734f4c51f in sendEvent (event=0x56a5750, receiver=0x41faf00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1e0e430) at kernel/qcoreapplication.cpp:1428
#43 0x00007f3734f73a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#45 0x00007f372c30ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f372c30d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#47 0x00007f372c30d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007f3734f73ed6 in QEventDispatcherGlib::processEvents (this=0x1e0ff40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#49 0x00007f37343a107e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f3734f47cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#51 0x00007f3734f47ef7 in QEventLoop::exec (this=0x7ffff77f1290, flags=...) at kernel/qeventloop.cpp:201
#52 0x00007f3734f4c789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#53 0x00007f373808d1a3 in kdemain (argc=1, argv=0x7ffff77f1678) at ../../../../plasma/desktop/shell/main.cpp:120
#54 0x00007f3737cce30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7ffff77f1678, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffff77f1668) at libc-start.c:226
#55 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 288371.

Possible duplicates by query: bug 289803, bug 289782, bug 289780, bug 289675, bug 289670.

Reported using DrKonqi