Application: plasma-desktop (4.11.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-18-generic x86_64
Distribution: Ubuntu 13.10

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

create an other panel in the KDE desktop and trying to put it vertical

-- Backtrace:
Application: Shell del desktop di 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 0x7f71c97587c0 (LWP 1775))]

Thread 15 (Thread 0x7f719e3ff700 (LWP 1925)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c23f906b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f71c23f90a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f71bcab0f6e in start_thread (arg=0x7f719e3ff700) at pthread_create.c:311
#4  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 14 (Thread 0x7f711343f700 (LWP 1932)):
#0  0x00007f71c9038f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f71bc3a66a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f71bc3a67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f71c5c12a76 in QEventDispatcherGlib::processEvents (this=0x7f710c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f71c5be45ef in QEventLoop::processEvents (this=this@entry=0x7f711343ed70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f71c5be48e5 in QEventLoop::exec (this=this@entry=0x7f711343ed70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f71c5ae388f in QThread::exec (this=this@entry=0x3e4b730) at thread/qthread.cpp:542
#7  0x00007f71c5bc5d13 in QInotifyFileSystemWatcherEngine::run (this=0x3e4b730) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x3e4b730) at thread/qthread_unix.cpp:338
#9  0x00007f71bcab0f6e in start_thread (arg=0x7f711343f700) at pthread_create.c:311
#10 0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 13 (Thread 0x7f7112276700 (LWP 1984)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x7f7104000a60, decr=1) at pthread_mutex_unlock.c:38
#1  0x00007f71bc3e63d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f71bc3a5dd8 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f71bc3a65c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f71bc3a67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f71c5c12a76 in QEventDispatcherGlib::processEvents (this=0x7f71040008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f71c5be45ef in QEventLoop::processEvents (this=this@entry=0x7f7112275d70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f71c5be48e5 in QEventLoop::exec (this=this@entry=0x7f7112275d70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f71c5ae388f in QThread::exec (this=this@entry=0x4cfeb70) at thread/qthread.cpp:542
#9  0x00007f71c5bc5d13 in QInotifyFileSystemWatcherEngine::run (this=0x4cfeb70) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x4cfeb70) at thread/qthread_unix.cpp:338
#11 0x00007f71bcab0f6e in start_thread (arg=0x7f7112276700) at pthread_create.c:311
#12 0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 12 (Thread 0x7f7109105700 (LWP 10694)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x4001a30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x4001a30, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x4001a30, previous=0x4727580) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x4001a30) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x4001a30) at thread/qthread_unix.cpp:338
#8  0x00007f71bcab0f6e in start_thread (arg=0x7f7109105700) at pthread_create.c:311
#9  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 11 (Thread 0x7f7109906700 (LWP 10695)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x64a1bf0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x64a1bf0, previous=0x7e2ef90) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x64a1bf0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x64a1bf0) at thread/qthread_unix.cpp:338
#7  0x00007f71bcab0f6e in start_thread (arg=0x7f7109906700) at pthread_create.c:311
#8  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7f70feb7d700 (LWP 10696)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x4a3af30) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x4a3af30, previous=0x875e240) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x4a3af30) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x4a3af30) at thread/qthread_unix.cpp:338
#7  0x00007f71bcab0f6e in start_thread (arg=0x7f70feb7d700) at pthread_create.c:311
#8  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7f70fe37c700 (LWP 10697)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x647df10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x647df10, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x647df10, previous=0x6d5ff80) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x647df10) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x647df10) at thread/qthread_unix.cpp:338
#8  0x00007f71bcab0f6e in start_thread (arg=0x7f70fe37c700) at pthread_create.c:311
#9  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7f70fdb7b700 (LWP 10698)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x656d030) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x656d030, previous=0x66d4c50) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x656d030) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x656d030) at thread/qthread_unix.cpp:338
#7  0x00007f71bcab0f6e in start_thread (arg=0x7f70fdb7b700) at pthread_create.c:311
#8  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f70eabdf700 (LWP 13497)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x4dbd870) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x4dbd870, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x4dbd870, previous=0x784fb30) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x4dbd870) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x4dbd870) at thread/qthread_unix.cpp:338
#8  0x00007f71bcab0f6e in start_thread (arg=0x7f70eabdf700) at pthread_create.c:311
#9  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f70ea3de700 (LWP 13498)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x61068b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x61068b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x61068b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x61068b0, previous=0x423c740) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x61068b0) at ../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x61068b0) at thread/qthread_unix.cpp:338
#9  0x00007f71bcab0f6e in start_thread (arg=0x7f70ea3de700) at pthread_create.c:311
#10 0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f70e9bdd700 (LWP 13499)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c5ae6406 in wait (time=18446744073709551615, this=0x4add640) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x4bc1298, mutex=0x47a1860, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f71c1671e6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x4bc1270, th=0x42ed1b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f71c1674903 in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x42ed1b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x42ed1b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x42ed1b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f71c167491c in ThreadWeaver::WorkingHardState::applyForWork (this=0x47b2ea0, th=0x42ed1b0, previous=0x69039f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007f71c167361f in ThreadWeaver::Thread::run (this=0x42ed1b0) at ../../../threadweaver/Weaver/Thread.cpp:98
#9  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x42ed1b0) at thread/qthread_unix.cpp:338
#10 0x00007f71bcab0f6e in start_thread (arg=0x7f70e9bdd700) at pthread_create.c:311
#11 0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f70e93dc700 (LWP 27231)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c3fc21cd in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f71c3fc2209 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f71bcab0f6e in start_thread (arg=0x7f70e93dc700) at pthread_create.c:311
#4  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f70dafb5700 (LWP 27232)):
#0  0x00007f71bc3e60ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f71bc3e63c9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f71bc3a6699 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f71bc3a67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f71c5c12a76 in QEventDispatcherGlib::processEvents (this=0x7f70d4002b20, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f71c5be45ef in QEventLoop::processEvents (this=this@entry=0x7f70dafb4db0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f71c5be48e5 in QEventLoop::exec (this=this@entry=0x7f70dafb4db0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f71c5ae388f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f71c5ae5f2f in QThreadPrivate::start (arg=0x3fa5f60) at thread/qthread_unix.cpp:338
#9  0x00007f71bcab0f6e in start_thread (arg=0x7f70dafb5700) at pthread_create.c:311
#10 0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f70da137700 (LWP 27249)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f71c3d02bbd in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f71c3ff1a76 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f71bcab0f6e in start_thread (arg=0x7f70da137700) at pthread_create.c:311
#4  0x00007f71c90459cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f71c97587c0 (LWP 1775)):
[KCrash Handler]
#6  QMetaObject::propertyOffset (this=this@entry=0x8ad2b88) at kernel/qmetaobject.cpp:393
#7  0x00007f71c5bee485 in QMetaObject::property (this=0x8ad2b88, index=index@entry=6) at kernel/qmetaobject.cpp:847
#8  0x00007f71c784e7f3 in QDeclarativePropertyPrivate::readValueProperty (this=<optimized out>) at qml/qdeclarativeproperty.cpp:1011
#9  0x00007f71c784ea48 in QDeclarativeProperty::read (this=this@entry=0x7fffb99cf348) at qml/qdeclarativeproperty.cpp:925
#10 0x00007f71c775e57e in QDeclarativeAction::QDeclarativeAction (this=0x7fffb99cf340, target=<optimized out>, propertyName=..., value=...) at util/qdeclarativestate.cpp:74
#11 0x00007f71c77e5701 in QDeclarativeBasePositioner::positionX (this=this@entry=0x376e0a0, x=302, target=...) at graphicsitems/qdeclarativepositioners.cpp:290
#12 0x00007f71c77e77b3 in QDeclarativeFlow::doPositioning (this=0x376e0a0, contentSize=0x7fffb99cf4c0) at graphicsitems/qdeclarativepositioners.cpp:1314
#13 0x00007f71c77e7d20 in QDeclarativeBasePositioner::prePositioning (this=0x376e0a0) at graphicsitems/qdeclarativepositioners.cpp:268
#14 0x00007f71c77df18b in QDeclarativeItem::geometryChanged (this=this@entry=0x8957850, newGeometry=..., oldGeometry=...) at graphicsitems/qdeclarativeitem.cpp:2161
#15 0x00007f71c77dca0e in QDeclarativeItemPrivate::setWidth (this=0x8b5c120, w=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:3380
#16 0x00007f71c553e73d in QGraphicsObject::qt_metacall (this=this@entry=0x8957850, _c=_c@entry=QMetaObject::WriteProperty, _id=13, _a=_a@entry=0x7fffb99cf9b0) at .moc/release-shared/moc_qgraphicsitem.cpp:208
#17 0x00007f71c77e218c in QDeclarativeItem::qt_metacall (this=this@entry=0x8957850, _c=_c@entry=QMetaObject::WriteProperty, _id=<optimized out>, _a=_a@entry=0x7fffb99cf9b0) at .moc/release-shared/moc_qdeclarativeitem.cpp:266
#18 0x00007f719c976cf7 in MouseEventListener::qt_metacall (this=0x8957850, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7fffb99cf9b0) at ./mouseeventlistener.moc:325
#19 0x00007f71c7835f29 in QDeclarativeVMEMetaObject::metaCall (this=0xa107940, c=QMetaObject::WriteProperty, _id=14, a=0x7fffb99cf9b0) at qml/qdeclarativevmemetaobject.cpp:673
#20 0x00007f71c78d9170 in QDeclarativeObjectScriptClass::setProperty (this=0x3760f90, obj=0x8957850, name=<optimized out>, value=..., context=0x7f719c3570a0, evalContext=0x37a5130) at qml/qdeclarativeobjectscriptclass.cpp:421
#21 0x00007f71c2470718 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#22 0x00007f71c2347d8f in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#23 0x00007f711801684f in ?? ()
#24 0x000000000376e790 in ?? ()
#25 0x00007f719c3249c0 in ?? ()
#26 0x00007f719dbaaa10 in ?? ()
#27 0xffff000000000114 in ?? ()
#28 0x000000000376e700 in ?? ()
#29 0x00007f71c5ac9d04 in QAbstractAnimationPrivate::setState (this=0x7f719c357000, newState=(unknown: 3114072992)) at animation/qabstractanimation.cpp:589
#30 0x00007f719c357000 in ?? ()
#31 0x00007f719db05000 in ?? ()
#32 0x00007f719c223230 in ?? ()
#33 0x000000000376c968 in ?? ()
#34 0x00007f719c357048 in ?? ()
#35 0x00007f719db9b210 in ?? ()
#36 0x00007f71c2302386 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#37 0x00007f71c2397346 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#38 0x00007f71c236b24f in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#39 0x00007f71c24527ee in QScriptValue::call(QScriptValue const&, QList<QScriptValue> const&) () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#40 0x00007f71c7848827 in QDeclarativeQtScriptExpression::eval (this=this@entry=0x380fb58, secondaryScope=<optimized out>, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:518
#41 0x00007f71c784ab3e in QDeclarativeQtScriptExpression::scriptValue (this=this@entry=0x380fb58, secondaryScope=secondaryScope@entry=0x0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:470
#42 0x00007f71c784ae45 in QDeclarativeExpressionPrivate::scriptValue (this=this@entry=0x380fad0, secondaryScope=secondaryScope@entry=0x0, isUndefined=0x0) at qml/qdeclarativeexpression.cpp:653
#43 0x00007f71c784af81 in QDeclarativeExpressionPrivate::value (this=0x380fad0, secondaryScope=0x0, isUndefined=isUndefined@entry=0x0) at qml/qdeclarativeexpression.cpp:667
#44 0x00007f71c7882535 in QDeclarativeBoundSignal::qt_metacall (this=0x380f680, c=<optimized out>, id=<optimized out>, a=0x7fffb99d0100) at qml/qdeclarativeboundsignal.cpp:199
#45 0x00007f71c5bf9c52 in QMetaObject::activate (sender=sender@entry=0x376f020, m=m@entry=0x7f71c7c2ec20 <QDeclarativeRepeater::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x0) at kernel/qobject.cpp:3558
#46 0x00007f71c79397f3 in QDeclarativeRepeater::countChanged (this=this@entry=0x376f020) at .moc/release-shared/moc_qdeclarativerepeater_p.cpp:200
#47 0x00007f71c77fd1d9 in QDeclarativeRepeater::itemsRemoved (this=0x376f020, index=3, count=-1) at graphicsitems/qdeclarativerepeater.cpp:414
#48 0x00007f71c5bf9a58 in QMetaObject::activate (sender=sender@entry=0x3781b80, m=m@entry=0x7f71c7c2fa40 <QDeclarativeVisualModel::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fffb99d0310) at kernel/qobject.cpp:3539
#49 0x00007f71c793ccaf in QDeclarativeVisualModel::itemsRemoved (this=this@entry=0x3781b80, _t1=_t1@entry=3, _t2=_t2@entry=1) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:161
#50 0x00007f71c781232b in QDeclarativeVisualDataModel::_q_itemsRemoved (this=0x3781b80, index=3, count=1) at graphicsitems/qdeclarativevisualitemmodel.cpp:1314
#51 0x00007f71c793d0bd in QDeclarativeVisualDataModel::qt_static_metacall (_o=0x8ad2b88, _c=145566600, _id=0, _a=0x0) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:404
#52 0x00007f71c5bf9a58 in QMetaObject::activate (sender=sender@entry=0x3760290, m=m@entry=0x7f71c5f486a0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=7, argv=argv@entry=0x7fffb99d0550) at kernel/qobject.cpp:3539
#53 0x00007f71c5c43764 in QAbstractItemModel::rowsRemoved (this=this@entry=0x3760290, _t1=..., _t2=3, _t3=3) at .moc/release-shared/moc_qabstractitemmodel.cpp:211
#54 0x00007f71c5be0c7e in QAbstractItemModel::endRemoveRows (this=0x3760290) at kernel/qabstractitemmodel.cpp:2487
#55 0x00007f71a6928c4c in itemRemoved (item=<optimized out>, this=<optimized out>) at ../../../libs/taskmanager/tasksmodel.cpp:502
#56 TaskManager::TasksModel::qt_static_metacall (_o=0x8ad2b88, _id=145566600, _a=0x7fffb99d0740, _c=<optimized out>) at ./tasksmodel.moc:134
#57 0x00007f71c5bf9a58 in QMetaObject::activate (sender=sender@entry=0x376d850, m=m@entry=0x7f71a6b451e0 <TaskManager::TaskGroup::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fffb99d0740) at kernel/qobject.cpp:3539
#58 0x00007f71a691ba42 in TaskManager::TaskGroup::itemRemoved (this=this@entry=0x376d850, _t1=0x428c8b0) at ./taskgroup.moc:201
#59 0x00007f71a691dc94 in TaskManager::TaskGroup::remove (this=0x376d850, item=item@entry=0x428c8b0) at ../../../libs/taskmanager/taskgroup.cpp:335
#60 0x00007f71a6901311 in TaskManager::GroupManagerPrivate::removeTask (this=this@entry=0x375e240, task=task@entry=0x2258cf0) at ../../../libs/taskmanager/groupmanager.cpp:394
#61 0x00007f71a690224b in TaskManager::GroupManagerPrivate::taskChanged (this=0x375e240, task=0x2258cf0, changes=...) at ../../../libs/taskmanager/groupmanager.cpp:577
#62 0x00007f71a6905642 in TaskManager::GroupManager::qt_static_metacall (_o=<optimized out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at ./groupmanager.moc:87
#63 0x00007f71c5bf9a58 in QMetaObject::activate (sender=sender@entry=0x375d5d0, m=m@entry=0x7f71a6b454c0 <TaskManager::TaskManager::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7fffb99d0980) at kernel/qobject.cpp:3539
#64 0x00007f71a6924047 in TaskManager::TaskManager::windowChanged (this=this@entry=0x375d5d0, _t1=0x2258cf0, _t2=...) at ./taskmanager.moc:229
#65 0x00007f71a69241db in TaskManager::TaskManager::taskChanged (this=0x375d5d0, changes=...) at ../../../libs/taskmanager/taskmanager.cpp:387
#66 0x00007f71a69262b1 in TaskManager::TaskManager::qt_static_metacall (_o=0x8ad2b88, _id=145566600, _a=0x0, _c=<optimized out>) at ./taskmanager.moc:111
#67 0x00007f71c5bf9a58 in QMetaObject::activate (sender=sender@entry=0x2258cf0, m=m@entry=0x7f71a6b43060 <TaskManager::Task::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffb99d0b60) at kernel/qobject.cpp:3539
#68 0x00007f71a6913882 in TaskManager::Task::changed (this=this@entry=0x2258cf0, _t1=...) at ./task.moc:239
#69 0x00007f71a6914537 in TaskManager::Task::refresh (this=this@entry=0x2258cf0, dirty=...) at ../../../libs/taskmanager/task.cpp:162
#70 0x00007f71a6925ed0 in TaskManager::TaskManager::windowChanged (this=<optimized out>, w=29362363, dirty=0x7fffb99d0e60) at ../../../libs/taskmanager/taskmanager.cpp:374
#71 0x00007f71a6926223 in TaskManager::TaskManager::qt_static_metacall (_o=0x8ad2b88, _id=145566600, _a=0x0, _c=<optimized out>) at ./taskmanager.moc:105
#72 0x00007f71c5bf9a58 in QMetaObject::activate (sender=sender@entry=0x20a73e0, m=m@entry=0x7f71c6cc42a0 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=9, argv=argv@entry=0x7fffb99d0e10) at kernel/qobject.cpp:3539
#73 0x00007f71c69ca3bb in KWindowSystem::windowChanged (this=this@entry=0x20a73e0, _t1=29362363, _t2=_t2@entry=0x7fffb99d0e60) at ./kwindowsystem.moc:195
#74 0x00007f71c69cb224 in KWindowSystemPrivate::x11Event (this=0x21a1ea0, ev=0x7fffb99d0f50) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:238
#75 0x00007f71c68cfc98 in publicX11Event (e=0x7fffb99d0f50, this=<optimized out>) at ../../kdeui/kernel/ksystemeventfilter.cpp:43
#76 KSystemEventFilterPrivate::filterEvent (this=0x227f0a0, message=0x7fffb99d0f50) at ../../kdeui/kernel/ksystemeventfilter.cpp:102
#77 0x00007f71c5bd785e in QAbstractEventDispatcher::filterEvent (this=0x8ad2b88, message=0x8ad2b88, message@entry=0x7fffb99d0f50) at kernel/qabstracteventdispatcher.cpp:539
#78 0x00007f71c5024850 in x11EventSourceDispatch (s=0x20a17d0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:143
#79 0x00007f71bc3a63b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007f71bc3a6708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#81 0x00007f71bc3a67ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#82 0x00007f71c5c12a55 in QEventDispatcherGlib::processEvents (this=0x200cad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#83 0x00007f71c50249d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#84 0x00007f71c5be45ef in QEventLoop::processEvents (this=this@entry=0x7fffb99d1330, flags=...) at kernel/qeventloop.cpp:149
#85 0x00007f71c5be48e5 in QEventLoop::exec (this=this@entry=0x7fffb99d1330, flags=...) at kernel/qeventloop.cpp:204
#86 0x00007f71c5be9e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#87 0x00007f71c4f8134c in QApplication::exec () at kernel/qapplication.cpp:3828
#88 0x00007f71c934f64c in kdemain (argc=1, argv=0x7fffb99d1588) at ../../../../plasma/desktop/shell/main.cpp:126
#89 0x00007f71c8f6cde5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fffb99d1588, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffb99d1578) at libc-start.c:260
#90 0x000000000040070e in _start ()

Reported using DrKonqi