Application: systemsettings (1.0)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

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

Opened System Settings. Fiddled with notification settings. Applied. Moved to Workspace Appearance. Clicked 'Back'. System Settings then crashed.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f72f3a5a780 (LWP 10786))]

Thread 3 (Thread 0x7f72d6edb700 (LWP 10787)):
#0  0x00007f72f0a69303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f72ea24dd84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f72ea24dea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f72f11e9c16 in QEventDispatcherGlib::processEvents (this=0x7f72d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f72f11ba2bf in QEventLoop::processEvents (this=this@entry=0x7f72d6edadd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f72f11ba548 in QEventLoop::exec (this=0x7f72d6edadd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f72f10bbb10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f72f119a9af in QInotifyFileSystemWatcherEngine::run (this=0x2075f80) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f72f10beaec in QThreadPrivate::start (arg=0x2075f80) at thread/qthread_unix.cpp:338
#9  0x00007f72ea71ce9a in start_thread (arg=0x7f72d6edb700) at pthread_create.c:308
#10 0x00007f72f0a74cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f72d57ab700 (LWP 12703)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f72eeb2ecd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f72eeb2ed09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f72ea71ce9a in start_thread (arg=0x7f72d57ab700) at pthread_create.c:308
#4  0x00007f72f0a74cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f72f3a5a780 (LWP 10786)):
[KCrash Handler]
#6  0x00007f72edd98dd4 in QDeclarativeItem::~QDeclarativeItem (this=0x22e65d0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f72edd5c6ee in ~QDeclarativeElement (this=0x22e65d0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x22e65d0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  0x00007f72f11d0468 in QObject::event (this=0x22e65d0, e=<optimized out>) at kernel/qobject.cpp:1176
#10 0x00007f72f1e17e9c in QApplicationPrivate::notify_helper (this=this@entry=0x1a38ed0, receiver=receiver@entry=0x22e65d0, e=e@entry=0x257a2c0) at kernel/qapplication.cpp:4562
#11 0x00007f72f1e1c30a in QApplication::notify (this=0x7fffa5e8ce60, receiver=0x22e65d0, e=0x257a2c0) at kernel/qapplication.cpp:4423
#12 0x00007f72f2b201d6 in KApplication::notify (this=0x7fffa5e8ce60, receiver=0x22e65d0, event=0x257a2c0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f72f11bb56e in QCoreApplication::notifyInternal (this=0x7fffa5e8ce60, receiver=receiver@entry=0x22e65d0, event=event@entry=0x257a2c0) at kernel/qcoreapplication.cpp:915
#14 0x00007f72f11bf3f1 in sendEvent (event=0x257a2c0, receiver=0x22e65d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x19e31f0) at kernel/qcoreapplication.cpp:1539
#16 0x00007f72f11e9a63 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#17 postEventSourceDispatch (s=0x1a2bd90) at kernel/qeventdispatcher_glib.cpp:279
#18 0x00007f72ea24dab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f72ea24dde8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f72ea24dea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f72f11e9bf6 in QEventDispatcherGlib::processEvents (this=0x19e4ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007f72f1ebcc1e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007f72f11ba2bf in QEventLoop::processEvents (this=this@entry=0x7fffa5e8cd40, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f72f11ba548 in QEventLoop::exec (this=0x7fffa5e8cd40, flags=...) at kernel/qeventloop.cpp:204
#25 0x00007f72f11bf708 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#26 0x000000000040a98e in main (argc=5, argv=0x7fffa5e8cfa8) at ../../../systemsettings/app/main.cpp:49

This bug may be a duplicate of or related to bug 304617.

Possible duplicates by query: bug 310522, bug 309748, bug 309287, bug 306267, bug 306159.

Reported using DrKonqi