Bug 319982

Application: systemsettings (1.0)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-19-generic i686
Distribution: Ubuntu 13.04

-- Information about the crash:
Failed to open System Preferences - Appearance of the applications. The window was closed unexpectedly.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Preferencias del sistema (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1396980 (LWP 2760))]

Thread 3 (Thread 0xadea1b40 (LWP 2761)):
#0  0xb772b424 in __kernel_vsyscall ()
#1  0xb5d048e2 in clock_gettime () from /lib/i386-linux-gnu/libc.so.6
#2  0xb5f620d5 in do_gettime (frac=0xadea0f60, sec=0xadea0f58) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb604980e in QTimerInfoList::updateCurrentTime (this=this@entry=0xad502074) at kernel/qeventdispatcher_unix.cpp:354
#5  0xb6049b9a in QTimerInfoList::timerWait (this=0xad502074, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#6  0xb6048373 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xadea108c) at kernel/qeventdispatcher_glib.cpp:136
#7  0xb604840d in timerSourcePrepare (source=0xad502040, timeout=0xadea108c) at kernel/qeventdispatcher_glib.cpp:169
#8  0xb2786d21 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb27875cf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb2787831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#11 0xb6048c3f in QEventDispatcherGlib::processEvents (this=0xad500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0xb60153ec in QEventLoop::processEvents (this=this@entry=0xadea1228, flags=...) at kernel/qeventloop.cpp:149
#13 0xb60156e1 in QEventLoop::exec (this=this@entry=0xadea1228, flags=...) at kernel/qeventloop.cpp:204
#14 0xb5f00fec in QThread::exec (this=this@entry=0x90fcae0) at thread/qthread.cpp:542
#15 0xb5ff4f2d in QInotifyFileSystemWatcherEngine::run (this=0x90fcae0) at io/qfilesystemwatcher_inotify.cpp:256
#16 0xb5f03b18 in QThreadPrivate::start (arg=0x90fcae0) at thread/qthread_unix.cpp:338
#17 0xb2860d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0xb5cf13de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xad161b40 (LWP 2763)):
#0  0xb772b424 in __kernel_vsyscall ()
#1  0xb286484b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5cfed7c in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb393b0ed in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb393b11f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb2860d78 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb5cf13de in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1396980 (LWP 2760)):
[KCrash Handler]
#7  0xb33911be in QDeclarativeItem::~QDeclarativeItem (this=0x92daf80, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#8  0xb3350cd4 in ~QDeclarativeElement (this=0x92daf80, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x92daf80, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#10 0xb602a873 in qDeleteInEventHandler (o=o@entry=0x92daf80) at kernel/qobject.cpp:4269
#11 0xb60324b0 in QObject::event (this=this@entry=0x92daf80, e=e@entry=0x920d8a0) at kernel/qobject.cpp:1175
#12 0xb3394494 in QDeclarativeItem::event (this=0x92daf80, ev=0x920d8a0) at graphicsitems/qdeclarativeitem.cpp:3748
#13 0xb6608c7c in QApplicationPrivate::notify_helper (this=0x8ca2e20, receiver=0x92daf80, e=0x920d8a0) at kernel/qapplication.cpp:4567
#14 0xb660bb94 in QApplication::notify (this=0x920d8a0, receiver=0x92daf80, e=0x920d8a0) at kernel/qapplication.cpp:3949
#15 0xb7181d01 in KApplication::notify (this=0xbf81c11c, receiver=0x92daf80, event=0x920d8a0) at ../../kdeui/kernel/kapplication.cpp:311
#16 0xb601690e in QCoreApplication::notifyInternal (this=0xbf81c11c, receiver=0x92daf80, event=0x920d8a0) at kernel/qcoreapplication.cpp:946
#17 0xb601a721 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8c6a130) at kernel/qcoreapplication.cpp:1570
#19 0xb601aa8c in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#20 0xb6048aa4 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=0x8ca28d8) at kernel/qeventdispatcher_glib.cpp:279
#22 0xb27873b3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb2787750 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb2787831 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#25 0xb6048c21 in QEventDispatcherGlib::processEvents (this=this@entry=0x8c6aeb8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#26 0xb66bfa5a in QGuiEventDispatcherGlib::processEvents (this=0x8c6aeb8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0xb60153ec in QEventLoop::processEvents (this=this@entry=0xbf81c048, flags=...) at kernel/qeventloop.cpp:149
#28 0xb60156e1 in QEventLoop::exec (this=this@entry=0xbf81c048, flags=...) at kernel/qeventloop.cpp:204
#29 0xb601b3fa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#30 0xb6606fc4 in QApplication::exec () at kernel/qapplication.cpp:3828
#31 0x08050472 in ?? ()
#32 0xb5c19935 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#33 0x080504b9 in _start ()

Possible duplicates by query: bug 319217, bug 317406, bug 316076, bug 315984, bug 315671.

Reported using DrKonqi