Application: plasma-desktop (4.11.20)
KDE Platform Version: 4.14.9
Qt Version: 4.8.6
Operating System: Linux 3.16.7-24-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
What I was doing when the application crashed:
I was stopping an acitivity via the show activity manager widget.
I when to start it when the crash occured

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efd818cd780 (LWP 5845))]

Thread 11 (Thread 0x7efd575e6700 (LWP 5849)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd72a138cb in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7efd72d11f00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007efd72a13909 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#4  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7efcd1241700 (LWP 5850)):
#0  0x00007efd7eee6c5d in poll () from /lib64/libc.so.6
#1  0x00007efd7bff9be4 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007efd7bff9cec in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007efd805470de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#4  0x00007efd80518e6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#5  0x00007efd80519165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#6  0x00007efd804160bf in QThread::exec() () from /usr/lib64/libQtCore.so.4
#7  0x00007efd804fa783 in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#9  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7efcbffff700 (LWP 6464)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#6  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#7  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7efcc4e19700 (LWP 6465)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#6  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#7  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7efcb157e700 (LWP 6466)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#6  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#7  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#8  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7efcb0d7d700 (LWP 6467)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#7  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#8  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#9  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#10 0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7efcb057c700 (LWP 6468)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7efcaea3f700 (LWP 10877)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#6  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#7  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#8  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7efcae23e700 (LWP 10878)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd71c6d1ac in ?? () from /usr/lib64/libthreadweaver.so.4
#6  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#7  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#8  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#9  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7efcada3d700 (LWP 10879)):
#0  0x00007efd8018605f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007efd80418c86 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/libQtCore.so.4
#2  0x00007efd71c6a6fc in ?? () from /usr/lib64/libthreadweaver.so.4
#3  0x00007efd71c6d193 in ?? () from /usr/lib64/libthreadweaver.so.4
#4  0x00007efd71c6beaf in ThreadWeaver::Thread::run() () from /usr/lib64/libthreadweaver.so.4
#5  0x00007efd8041879f in ?? () from /usr/lib64/libQtCore.so.4
#6  0x00007efd801820a4 in start_thread () from /lib64/libpthread.so.0
#7  0x00007efd7eeef08d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7efd818cd780 (LWP 5845)):
[KCrash Handler]
#5  data (this=0x29007d0000011f) at ../../src/corelib/tools/qscopedpointer.h:135
#6  qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../src/corelib/global/qglobal.h:2466
#7  d_func (this=0x29007d00000117) at ../../src/script/api/qscriptengine.h:274
#8  get (q=0x29007d00000117) at ../../src/script/api/qscriptengine_p.h:158
#9  QScriptDeclarativeClass::Value::Value (this=0x7ffc79e755c0, eng=0x29007d00000117, value=...) at bridge/qscriptdeclarativeclass.cpp:132
#10 0x00007efd722efe7b in toValue (e=0x42b0000, this=0x7ffc79e752b0) at qml/qdeclarativeobjectscriptclass.cpp:867
#11 QDeclarativeObjectMethodScriptClass::callMethod (this=this@entry=0x5472940, object=0x5c3de80, index=32, returnType=<optimized out>, argCount=argCount@entry=0, argTypes=argTypes@entry=0x0, ctxt=ctxt@entry=0x7efca7c001e0) at qml/qdeclarativeobjectscriptclass.cpp:988
#12 0x00007efd722f09bb in QDeclarativeObjectMethodScriptClass::callPrecise (this=0x5472940, object=0x5c3de80, data=..., ctxt=0x7efca7c001e0) at qml/qdeclarativeobjectscriptclass.cpp:953
#13 0x00007efd722f142b in QDeclarativeObjectMethodScriptClass::call (this=<optimized out>, o=<optimized out>, ctxt=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:922
#14 0x00007efd72a8a9a4 in QScript::DeclarativeObjectDelegate::call (exec=<optimized out>, callee=<optimized out>, thisValue=..., args=...) at bridge/qscriptdeclarativeobject.cpp:154
#15 0x00007efd72985cf8 in QTJSC::NativeFuncWrapper::operator() (this=this@entry=0x7ffc79e75670, exec=0x7efca7c001e0, jsobj=jsobj@entry=0x7efcac2b3a80, thisValue=..., argList=...) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/CallData.cpp:46
#16 0x00007efd72963c90 in QTJSC::cti_op_call_NotJSFunction (args=0x7ffc79e756c0) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:1780
#17 0x00007efcd72f5d42 in ?? ()
#18 0x0000000000000000 in ?? ()

Reported using DrKonqi