Bug 320120

Application: systemsettings (1.0)
KDE Platform Version: 4.10.3
Qt Version: 4.8.4
Operating System: Linux 3.8.0-22-generic x86_64
Distribution: Ubuntu 13.04

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

when leaving the submenu apperence of desktop, system settings meu crashes

happens quite a number of times :-( !

The crash can be reproduced every time.

-- Backtrace:
Application: Systemeinstellungen (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe55bb777c0 (LWP 4100))]

Thread 4 (Thread 0x7fe53e6a8700 (LWP 4101)):
#0  0x00007fe551be535c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe551be55b9 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe551ba61c2 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe551ba6304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe5592f9036 in QEventDispatcherGlib::processEvents (this=0x7fe5380008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007fe5592c938f in QEventLoop::processEvents (this=this@entry=0x7fe53e6a7d90, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fe5592c9618 in QEventLoop::exec (this=this@entry=0x7fe53e6a7d90, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007fe5591cb410 in QThread::exec (this=this@entry=0x22dbcc0) at thread/qthread.cpp:542
#8  0x00007fe5592aaedf in QInotifyFileSystemWatcherEngine::run (this=0x22dbcc0) at io/qfilesystemwatcher_inotify.cpp:256
#9  0x00007fe5591cdbec in QThreadPrivate::start (arg=0x22dbcc0) at thread/qthread_unix.cpp:338
#10 0x00007fe552078f8e in start_thread (arg=0x7fe53e6a8700) at pthread_create.c:311
#11 0x00007fe558b80e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fe52bba6700 (LWP 4171)):
#0  0x00007fe558b743cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe551ba61dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe551ba6304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5592f9036 in QEventDispatcherGlib::processEvents (this=0x7fe5240024f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe5592c938f in QEventLoop::processEvents (this=this@entry=0x7fe52bba5d90, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe5592c9618 in QEventLoop::exec (this=this@entry=0x7fe52bba5d90, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fe5591cb410 in QThread::exec (this=this@entry=0x23c3440) at thread/qthread.cpp:542
#7  0x00007fe5592aaedf in QInotifyFileSystemWatcherEngine::run (this=0x23c3440) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fe5591cdbec in QThreadPrivate::start (arg=0x23c3440) at thread/qthread_unix.cpp:338
#9  0x00007fe552078f8e in start_thread (arg=0x7fe52bba6700) at pthread_create.c:311
#10 0x00007fe558b80e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fe523af8700 (LWP 4180)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe556441e77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fe556441ea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fe552078f8e in start_thread (arg=0x7fe523af8700) at pthread_create.c:311
#4  0x00007fe558b80e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fe55bb777c0 (LWP 4100)):
[KCrash Handler]
#6  0x00007fe5556aa944 in QDeclarativeItem::~QDeclarativeItem (this=0x2a046d0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007fe55566f10e in ~QDeclarativeElement (this=0x2a046d0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x2a046d0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  0x00007fe5592e45e8 in QObject::event (this=0x2a046d0, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007fe559f2e8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1e9a170, receiver=receiver@entry=0x2a046d0, e=e@entry=0x2889bc0) at kernel/qapplication.cpp:4567
#11 0x00007fe559f3125b in QApplication::notify (this=this@entry=0x7fff6c1ec620, receiver=receiver@entry=0x2a046d0, e=e@entry=0x2889bc0) at kernel/qapplication.cpp:4428
#12 0x00007fe55ac3baf6 in KApplication::notify (this=0x7fff6c1ec620, receiver=0x2a046d0, event=0x2889bc0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007fe5592ca63e in QCoreApplication::notifyInternal (this=0x7fff6c1ec620, receiver=receiver@entry=0x2a046d0, event=event@entry=0x2889bc0) at kernel/qcoreapplication.cpp:946
#14 0x00007fe5592ce171 in sendEvent (event=0x2889bc0, receiver=0x2a046d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1e411f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007fe5592ce4a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#17 0x00007fe5592f8e83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#18 postEventSourceDispatch (s=0x1e960c0) at kernel/qeventdispatcher_glib.cpp:279
#19 0x00007fe551ba5f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fe551ba6248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fe551ba6304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007fe5592f9016 in QEventDispatcherGlib::processEvents (this=0x1e42ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#23 0x00007fe559fd41ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#24 0x00007fe5592c938f in QEventLoop::processEvents (this=this@entry=0x7fff6c1ec500, flags=...) at kernel/qeventloop.cpp:149
#25 0x00007fe5592c9618 in QEventLoop::exec (this=this@entry=0x7fff6c1ec500, flags=...) at kernel/qeventloop.cpp:204
#26 0x00007fe5592cecf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#27 0x000000000040aa2e in ?? ()
#28 0x00007fe558aa8ea5 in __libc_start_main (main=0x40a6d0, argc=5, ubp_av=0x7fff6c1ec768, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6c1ec758) at libc-start.c:260
#29 0x000000000040aa85 in _start ()

Possible duplicates by query: bug 319982, bug 319217, bug 317406, bug 316076, bug 315984.

Reported using DrKonqi