Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.97 (4.8 RC2 (4.7.97)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Linux Mint 12 Lisa

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

Setting defferent desktop backgrounds on plasma. Had four 
workspace. Everytime i try and set the background image on the fourth 
workspace plasma crashes

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fbb3f7867a0 (LWP 2794))]

Thread 14 (Thread 0x7fbb1b76e700 (LWP 2795)):
#0  0x00007fbb3f078773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fbb333bce38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb333bd2f9 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb3c296ed6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fbb3c26acf2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fbb3c26aef7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fbb3c18227f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb3c24dcbf in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fbb33ec9efc in start_thread (arg=0x7fbb1b76e700) at pthread_create.c:304
#10 0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fbb18e0c700 (LWP 2796)):
#0  0x00007fbb3f078773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fbb333bce38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb333bd2f9 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb3c296ed6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fbb3c26acf2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fbb3c26aef7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fbb3c18227f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb3c24dcbf in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fbb33ec9efc in start_thread (arg=0x7fbb18e0c700) at pthread_create.c:304
#10 0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fbb127b8700 (LWP 2797)):
#0  0x00007fbb3f07d913 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fbb3c24d671 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fbb33ec9efc in start_thread (arg=0x7fbb127b8700) at pthread_create.c:304
#4  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fbb11cd4700 (LWP 2799)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3929bfe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fbb3929c019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fbb33ec9efc in start_thread (arg=0x7fbb11cd4700) at pthread_create.c:304
#4  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fbb0ea44700 (LWP 2804)):
#0  0x00007fbb3f078773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fbb333bce38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbb333bd662 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbb0f522c66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fbb333e20c6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbb33ec9efc in start_thread (arg=0x7fbb0ea44700) at pthread_create.c:304
#6  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fbafcff1700 (LWP 3580)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbafcff1700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fbafb183700 (LWP 3581)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbafb183700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fbafa982700 (LWP 3582)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbafa982700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fbafa181700 (LWP 3583)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbafa181700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fbaf9980700 (LWP 3584)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbaf9980700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fbaf917f700 (LWP 3585)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbaf917f700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fbaf897e700 (LWP 3586)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbaf897e700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fbaf3fff700 (LWP 3587)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fbb3c1851ab in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fbb37f7f864 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fbb37f81e0b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fbb37f80ccf in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fbb37f80d5b in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fbb3c184d05 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fbb33ec9efc in start_thread (arg=0x7fbaf3fff700) at pthread_create.c:304
#8  0x00007fbb3f08489d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fbb3f7867a0 (LWP 2794)):
[KCrash Handler]
#6  0x00007fbb3ba96f80 in QAbstractScrollArea::viewport() const () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#7  0x00007fbb2647e744 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#8  0x00007fbb264847cb in QSpiAdaptor::getChild(int) const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#9  0x00007fbb26489de7 in QSpiAdaptor::GetChildren() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#10 0x00007fbb2648a5bf in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#11 0x00007fbb2647f4d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#12 0x00007fbb2647ebd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#13 0x00007fbb264847cb in QSpiAdaptor::getChild(int) const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#14 0x00007fbb26489de7 in QSpiAdaptor::GetChildren() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#15 0x00007fbb2648a5bf in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#16 0x00007fbb2647f4d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#17 0x00007fbb2647ebd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#18 0x00007fbb2647faaf in QSpiAccessibleBridge::objectToAccessible(QObject*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#19 0x00007fbb2649a1fe in QSpiAccessible::getParentReference() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#20 0x00007fbb2648a4e4 in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#21 0x00007fbb2647f4d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#22 0x00007fbb2647ebd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#23 0x00007fbb2647faaf in QSpiAccessibleBridge::objectToAccessible(QObject*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#24 0x00007fbb2649a1fe in QSpiAccessible::getParentReference() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#25 0x00007fbb2648a4e4 in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#26 0x00007fbb2647f4d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#27 0x00007fbb2647ebd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#28 0x00007fbb2647faaf in QSpiAccessibleBridge::objectToAccessible(QObject*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#29 0x00007fbb2649a1fe in QSpiAccessible::getParentReference() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#30 0x00007fbb2648a4e4 in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#31 0x00007fbb2647f4d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#32 0x00007fbb2647ebd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#33 0x00007fbb26480086 in QSpiAccessibleBridge::notifyAccessibilityUpdate(int, QAccessibleInterface*, int) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#34 0x00007fbb3bb22299 in QAccessible::updateAccessibility(QObject*, int, QAccessible::Event) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#35 0x00007fbb3b9d3594 in QAbstractButton::setText(QString const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#36 0x00007fbb3dd4c019 in ?? () from /usr/lib/libplasmagenericshell.so.4
#37 0x00007fbb3dd4a974 in BackgroundDialog::BackgroundDialog(QSize const&, Plasma::Containment*, Plasma::View*, QWidget*, QString const&, KConfigSkeleton*) () from /usr/lib/libplasmagenericshell.so.4
#38 0x00007fbb3f397d95 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#39 0x00007fbb3f39e310 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#40 0x00007fbb3c27eeba in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#41 0x00007fbb3eb94992 in Plasma::Containment::configureRequested(Plasma::Containment*) () from /usr/lib/libplasma.so.3
#42 0x00007fbb3eba0ef1 in Plasma::Containment::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#43 0x00007fbb2393e980 in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#44 0x00007fbb3c27eeba in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#45 0x00007fbb3b615b62 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#46 0x00007fbb3b615d4f in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#47 0x00007fbb3ba50609 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#48 0x00007fbb3ba56252 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#49 0x00007fbb3cfdc1e0 in KMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libkdeui.so.5
#50 0x00007fbb3b66cc9a in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#51 0x00007fbb3ba577fb in QMenu::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#52 0x00007fbb3b61c424 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#53 0x00007fbb3b621c6b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#54 0x00007fbb3cf1aae6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#55 0x00007fbb3c26bafc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#56 0x00007fbb3b61d3f2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#57 0x00007fbb3b69d001 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#58 0x00007fbb3b69b8be in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#59 0x00007fbb3b6c4412 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#60 0x00007fbb333bc92f in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#61 0x00007fbb333bd128 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#62 0x00007fbb333bd2f9 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#63 0x00007fbb3c296ed6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#64 0x00007fbb3b6c407e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#65 0x00007fbb3c26acf2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#66 0x00007fbb3c26aef7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#67 0x00007fbb3ba53711 in QMenu::exec(QPoint const&, QAction*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#68 0x00007fbb3eb9f73f in Plasma::Containment::contextMenuEvent(QGraphicsSceneContextMenuEvent*) () from /usr/lib/libplasma.so.3
#69 0x00007fbb3bbe37b5 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#70 0x00007fbb3bc0b75e in QGraphicsScene::contextMenuEvent(QGraphicsSceneContextMenuEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#71 0x00007fbb3bc1a834 in QGraphicsScene::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#72 0x00007fbb3b61c424 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#73 0x00007fbb3b621291 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#74 0x00007fbb3cf1aae6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#75 0x00007fbb3c26bafc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#76 0x00007fbb3bc304fb in QGraphicsView::contextMenuEvent(QContextMenuEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#77 0x00007fbb3b66ca00 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#78 0x00007fbb3ba154f6 in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#79 0x00007fbb3bc38d3b in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#80 0x00007fbb3c26bc88 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#81 0x00007fbb3b61c3ef in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#82 0x00007fbb3b621779 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#83 0x00007fbb3cf1aae6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#84 0x00007fbb3c26bafc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#85 0x00007fbb3b69c9aa in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#86 0x00007fbb3b69b8be in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#87 0x00007fbb3b6c4412 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#88 0x00007fbb333bc92f in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#89 0x00007fbb333bd128 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#90 0x00007fbb333bd2f9 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#91 0x00007fbb3c296ed6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#92 0x00007fbb3b6c407e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#93 0x00007fbb3c26acf2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#94 0x00007fbb3c26aef7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#95 0x00007fbb3c26f789 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#96 0x00007fbb3f3837e3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#97 0x00007fbb3efc430d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fffa3c25e48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa3c25e38) at libc-start.c:226
#98 0x0000000000400671 in _start ()

Reported using DrKonqi