Application: plasma-desktop (4.11.14)
KDE Platform Version: 4.14.13 (Compiled from sources)
Qt Version: 4.8.6
Operating System: Linux 3.13.0-74-generic x86_64
Distribution: Ubuntu 14.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
It was changing the wallpaper setting for " Globo" , to apply the change screen shown in black , then displays the desktop without any changes and report wizard launches sale 

- Custom settings of the application:
Desktop preferences .
It was changing the wallpaper setting for " Globo" , to apply the change screen shown in black , then displays the desktop without any changes and report wizard launches sale .
- Custom Application Settings :

He was making changes to wallpaper and Waste Disposal .

The crash can be reproduced every time.

-- Backtrace:
Application: Shell de escritorio Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffb9de567c0 (LWP 1775))]

Thread 5 (Thread 0x7ffb73c73700 (LWP 1782)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffb96b07ffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ffb96b08039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ffb91680182 in start_thread (arg=0x7ffb73c73700) at pthread_create.c:312
#4  0x00007ffb9d74347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7ffaed879700 (LWP 1783)):
#0  0x00007ffb90fb061d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffb90fb09a9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb90f6f0f6 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb9a31d7be in QEventDispatcherGlib::processEvents (this=0x7ffae80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007ffb9a2ef0af in QEventLoop::processEvents (this=this@entry=0x7ffaed878de0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ffb9a2ef3a5 in QEventLoop::exec (this=this@entry=0x7ffaed878de0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ffb9a1ebc5f in QThread::exec (this=this@entry=0x299d3b0) at thread/qthread.cpp:537
#7  0x00007ffb9a2d0823 in QInotifyFileSystemWatcherEngine::run (this=0x299d3b0) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007ffb9a1ee32f in QThreadPrivate::start (arg=0x299d3b0) at thread/qthread_unix.cpp:349
#9  0x00007ffb91680182 in start_thread (arg=0x7ffaed879700) at pthread_create.c:312
#10 0x00007ffb9d74347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7ffae7fff700 (LWP 1784)):
#0  0x00007ffb90fb061a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffb90fb09a9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb90f6eef6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb90f6f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffb9a31d7be in QEventDispatcherGlib::processEvents (this=0x7ffae00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007ffb9a2ef0af in QEventLoop::processEvents (this=this@entry=0x7ffae7ffede0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ffb9a2ef3a5 in QEventLoop::exec (this=this@entry=0x7ffae7ffede0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007ffb9a1ebc5f in QThread::exec (this=this@entry=0x2a23b70) at thread/qthread.cpp:537
#8  0x00007ffb9a2d0823 in QInotifyFileSystemWatcherEngine::run (this=0x2a23b70) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007ffb9a1ee32f in QThreadPrivate::start (arg=0x2a23b70) at thread/qthread_unix.cpp:349
#10 0x00007ffb91680182 in start_thread (arg=0x7ffae7fff700) at pthread_create.c:312
#11 0x00007ffb9d74347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7ffacbbdc700 (LWP 2211)):
#0  0x00007ffb90fb061d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffb90fb0979 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffb90f6ea6c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffb90f6ef7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffb90f6f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffb9a31d7be in QEventDispatcherGlib::processEvents (this=0x7ffac40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007ffb9a2ef0af in QEventLoop::processEvents (this=this@entry=0x7ffacbbdbde0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ffb9a2ef3a5 in QEventLoop::exec (this=this@entry=0x7ffacbbdbde0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ffb9a1ebc5f in QThread::exec (this=this@entry=0x4700d90) at thread/qthread.cpp:537
#9  0x00007ffb9a2d0823 in QInotifyFileSystemWatcherEngine::run (this=0x4700d90) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007ffb9a1ee32f in QThreadPrivate::start (arg=0x4700d90) at thread/qthread_unix.cpp:349
#11 0x00007ffb91680182 in start_thread (arg=0x7ffacbbdc700) at pthread_create.c:312
#12 0x00007ffb9d74347d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffb9de567c0 (LWP 1775)):
[KCrash Handler]
#6  0x00007ffb77c5f91b in Marble::ViewportParams::centerOn (this=0x46c4780, lon=3.2252605360516574e-319, lat=9.532824124368238e-130) at ../../../../src/lib/marble/ViewportParams.cpp:212
#7  0x00007ffb77c5fdaf in Marble::ViewportParams::setProjection (this=<optimized out>, newProjection=newProjection@entry=(unknown: 90102288)) at ../../../../src/lib/marble/ViewportParams.cpp:147
#8  0x00007ffb77bd8e15 in Marble::MarbleMap::setProjection (this=0x461f8d0, projection=(unknown: 90102288)) at ../../../../src/lib/marble/MarbleMap.cpp:672
#9  0x00007ffb780d3159 in Marble::MarbleWallpaper::init (this=0x46bd690, config=...) at ../../../wallpapers/marble/marble.cpp:112
#10 0x00007ffb9d2fc534 in Plasma::Wallpaper::restore (this=0x46bd690, config=...) at ../../plasma/wallpaper.cpp:324
#11 0x00007ffb9c3914cf in BackgroundDialog::changeBackgroundMode (this=0x35ae360, index=<optimized out>) at ../../../libs/plasmagenericshell/backgrounddialog.cpp:493
#12 0x00007ffb9a30487a in QMetaObject::activate (sender=sender@entry=0x3ee1750, m=m@entry=0x7ffb9a13f260 <QComboBox::staticMetaObject>, local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x7ffd132aeb10) at kernel/qobject.cpp:3539
#13 0x00007ffb99a537c1 in QComboBox::currentIndexChanged (this=this@entry=0x3ee1750, _t1=2) at .moc/release-shared/moc_qcombobox.cpp:315
#14 0x00007ffb99a53821 in QComboBoxPrivate::_q_emitCurrentIndexChanged (this=this@entry=0x4337f70, index=...) at widgets/qcombobox.cpp:1278
#15 0x00007ffb99a53acc in QComboBoxPrivate::setCurrentIndex (this=this@entry=0x4337f70, mi=...) at widgets/qcombobox.cpp:2049
#16 0x00007ffb99a53c16 in QComboBoxPrivate::_q_itemSelected (this=0x4337f70, item=...) at widgets/qcombobox.cpp:1247
#17 0x00007ffb9a30487a in QMetaObject::activate (sender=sender@entry=0x40e77c0, m=m@entry=0x7ffb9a15e2a0 <QComboBoxPrivateContainer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffd132aed50) at kernel/qobject.cpp:3539
#18 0x00007ffb99cd9082 in QComboBoxPrivateContainer::itemSelected (this=this@entry=0x40e77c0, _t1=...) at .moc/release-shared/moc_qcombobox_p.cpp:252
#19 0x00007ffb99a4f4e4 in QComboBoxPrivateContainer::eventFilter (this=0x40e77c0, o=0x40d3d00, e=0x7ffd132af230) at widgets/qcombobox.cpp:691
#20 0x00007ffb9a2f0646 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1ffdb30, receiver=receiver@entry=0x40d3d00, event=event@entry=0x7ffd132af230) at kernel/qcoreapplication.cpp:1063
#21 0x00007ffb99689e0c in QApplicationPrivate::notify_helper (this=this@entry=0x1ffdb30, receiver=receiver@entry=0x40d3d00, e=e@entry=0x7ffd132af230) at kernel/qapplication.cpp:4563
#22 0x00007ffb996905dd in QApplication::notify (this=this@entry=0x1ff15d0, receiver=receiver@entry=0x40d3d00, e=e@entry=0x7ffd132af230) at kernel/qapplication.cpp:4110
#23 0x00007ffb9afb080a in KApplication::notify (this=0x1ff15d0, receiver=0x40d3d00, event=0x7ffd132af230) at ../../kdeui/kernel/kapplication.cpp:311
#24 0x00007ffb9a2f04dd in QCoreApplication::notifyInternal (this=0x1ff15d0, receiver=receiver@entry=0x40d3d00, event=event@entry=0x7ffd132af230) at kernel/qcoreapplication.cpp:953
#25 0x00007ffb9968fd93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#26 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x40d3d00, event=event@entry=0x7ffd132af230, alienWidget=alienWidget@entry=0x40d3d00, nativeWidget=nativeWidget@entry=0x40e77c0, buttonDown=buttonDown@entry=0x7ffb9a16f318 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#27 0x00007ffb99704d1c in QETWidget::translateMouseEvent (this=this@entry=0x40e77c0, event=event@entry=0x7ffd132af580) at kernel/qapplication_x11.cpp:4568
#28 0x00007ffb99704289 in QApplication::x11ProcessEvent (this=0x1ff15d0, event=event@entry=0x7ffd132af580) at kernel/qapplication_x11.cpp:3627
#29 0x00007ffb9972bb32 in x11EventSourceDispatch (s=0x20004c0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#30 0x00007ffb90f6ee04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffb90f6f048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007ffb90f6f0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007ffb9a31d7a1 in QEventDispatcherGlib::processEvents (this=0x1ff78c0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#34 0x00007ffb9972bbe6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007ffb9a2ef0af in QEventLoop::processEvents (this=this@entry=0x7ffd132af950, flags=...) at kernel/qeventloop.cpp:149
#36 0x00007ffb9a2ef3a5 in QEventLoop::exec (this=this@entry=0x7ffd132af950, flags=...) at kernel/qeventloop.cpp:204
#37 0x00007ffb9a2f4b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#38 0x00007ffb9968837c in QApplication::exec () at kernel/qapplication.cpp:3828
#39 0x00007ffb9da4a624 in kdemain (argc=1, argv=0x7ffd132afba8) at ../../../../plasma/desktop/shell/main.cpp:126
#40 0x00007ffb9d66aec5 in __libc_start_main (main=0x4006f0 <main(int, char**)>, argc=1, argv=0x7ffd132afba8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd132afb98) at libc-start.c:287
#41 0x000000000040071e in _start ()

Reported using DrKonqi