Bug 323076

Application: plasma-desktop (4.10.5)
KDE Platform Version: 4.10.5
Qt Version: 4.8.5
Operating System: Linux 3.10-1-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

-- Information about the crash:
- What I was doing when the application crashed:
Absolutely nothing. The laptop was just idle showing a pdf with okular.
Other programs opened in background: 
-Iceweasel.
-Dolphin.
-Xterm.
-Choqok.
-Ark,

The crash can be reproduced sometimes.

-- 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 0x7fe8ba1fe780 (LWP 3334))]

Thread 3 (Thread 0x7fe89b6de700 (LWP 3335)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe8b36c0bab in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fe8b39bef00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fe8b36c0be9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fe8adf70e0e in start_thread (arg=0x7fe89b6de700) at pthread_create.c:311
#4  0x00007fe8b9afc93d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fe812567700 (LWP 3336)):
#0  0x00007fe8b9af119d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe8ad660194 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe8ad66029c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe8b666fd06 in QEventDispatcherGlib::processEvents (this=0x7fe80c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#4  0x00007fe8b66417bf in QEventLoop::processEvents (this=this@entry=0x7fe812566db0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe8b6641ab5 in QEventLoop::exec (this=this@entry=0x7fe812566db0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fe8b65408cf in QThread::exec (this=this@entry=0x237d7c0) at thread/qthread.cpp:536
#7  0x00007fe8b6622ee3 in QInotifyFileSystemWatcherEngine::run (this=0x237d7c0) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fe8b6542f6f in QThreadPrivate::start (arg=0x237d7c0) at thread/qthread_unix.cpp:338
#9  0x00007fe8adf70e0e in start_thread (arg=0x7fe812567700) at pthread_create.c:311
#10 0x00007fe8b9afc93d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fe8ba1fe780 (LWP 3334)):
[KCrash Handler]
#6  0x00007fe8b665a1c2 in QMetaObject::addGuard (ptr=ptr@entry=0x7fff955a7aa0) at kernel/qobject.cpp:400
#7  0x00007fe8b829d942 in QPointer (p=..., this=0x7fff955a7aa0) at ../../include/QtCore/../../src/corelib/kernel/qpointer.h:62
#8  takeAt (i=1, this=0x39b2030) at ../../include/QtCore/../../src/corelib/tools/qlist.h:486
#9  QDeclarativeRepeater::itemsRemoved (this=0x39b1d80, index=1, count=0) at graphicsitems/qdeclarativerepeater.cpp:407
#10 0x00007fe8b6656cf8 in QMetaObject::activate (sender=sender@entry=0x39b2640, m=m@entry=0x7fe8b86d0b40 <QDeclarativeVisualModel::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff955a7c00) at kernel/qobject.cpp:3547
#11 0x00007fe8b83de98f in QDeclarativeVisualModel::itemsRemoved (this=this@entry=0x39b2640, _t1=_t1@entry=1, _t2=_t2@entry=1) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:160
#12 0x00007fe8b82b2acb in QDeclarativeVisualDataModel::_q_itemsRemoved (this=0x39b2640, index=1, count=1) at graphicsitems/qdeclarativevisualitemmodel.cpp:1314
#13 0x00007fe8b83dedf9 in QDeclarativeVisualDataModel::qt_static_metacall (_o=0x7fff955a7aa0, _c=QMetaObject::ReadProperty, _id=37033616, _a=0x1) at .moc/release-shared/moc_qdeclarativevisualitemmodel_p.cpp:400
#14 0x00007fe8b6656cf8 in QMetaObject::activate (sender=sender@entry=0x3829160, m=m@entry=0x7fe8b86cb340 <QListModelInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x7fff955a7e40) at kernel/qobject.cpp:3547
#15 0x00007fe8b83d14af in QListModelInterface::itemsRemoved (this=this@entry=0x3829160, _t1=_t1@entry=1, _t2=_t2@entry=1) at .moc/release-shared/moc_qlistmodelinterface_p.cpp:113
#16 0x00007fe8b8223e41 in QDeclarativeListModel::remove (this=0x3829160, index=1) at util/qdeclarativelistmodel.cpp:402
#17 0x00007fe8b83d008b in QDeclarativeListModel::qt_static_metacall (_o=0x7fff955a7aa0, _o@entry=0x3829160, _c=QMetaObject::ReadProperty, _c@entry=QMetaObject::InvokeMetaMethod, _id=37033616, _id@entry=2, _a=0x1, _a@entry=0x7fff955a8100) at .moc/release-shared/moc_qdeclarativelistmodel_p.cpp:75
#18 0x00007fe8b83d01ff in QDeclarativeListModel::qt_metacall (this=0x3829160, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x7fff955a8100) at .moc/release-shared/moc_qdeclarativelistmodel_p.cpp:122
#19 0x00007fe8b837cba8 in QDeclarativeObjectMethodScriptClass::callMethod (this=this@entry=0x30789e0, object=object@entry=0x3829160, index=<optimized out>, returnType=<optimized out>, argCount=<optimized out>, argTypes=0x7fff955a83b0, ctxt=ctxt@entry=0x7fe80a7402a8) at qml/qdeclarativeobjectscriptclass.cpp:970
#20 0x00007fe8b837e838 in QDeclarativeObjectMethodScriptClass::callPrecise (this=0x30789e0, object=0x3829160, data=..., ctxt=0x7fe80a7402a8) at qml/qdeclarativeobjectscriptclass.cpp:944
#21 0x00007fe8b837f13b in QDeclarativeObjectMethodScriptClass::call (this=<optimized out>, o=<optimized out>, ctxt=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:917
#22 0x00007fe8b3737dc4 in QScript::DeclarativeObjectDelegate::call (exec=<optimized out>, callee=<optimized out>, thisValue=..., args=...) at bridge/qscriptdeclarativeobject.cpp:154
#23 0x00007fe8b3633098 in QTJSC::NativeFuncWrapper::operator() (this=this@entry=0x7fff955a8510, exec=0x7fe80a7402a8, jsobj=jsobj@entry=0x7fe80a6e1fc0, thisValue=..., argList=...) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/CallData.cpp:46
#24 0x00007fe8b3611020 in QTJSC::cti_op_call_NotJSFunction (args=0x7fff955a8560) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:1780
#25 0x00007fe81af1b0f0 in ?? ()
#26 0x0000000000000000 in ?? ()

This bug may be a duplicate of or related to bug 322737.

Possible duplicates by query: bug 322737, bug 322436, bug 322036, bug 321422, bug 321138.

Reported using DrKonqi