Bug 328683

Application: systemsettings (1.0)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.5.0-44-generic x86_64
Distribution: Ubuntu 12.04.3 LTS

-- Information about the crash:
When I close the About screen for the System Settings (after opening it), the System Settings window crashes and the Crash Reporting Assistant pops up.

The crash can be reproduced every time.

-- 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 0x7f2c4752a780 (LWP 7127))]

Thread 4 (Thread 0x7f2c3d72a700 (LWP 7128)):
#0  0x00007f2c4e3bfa43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2c4bb9fff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c4bba045a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c3d72f98b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007f2c4bbc19b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2c4c06ce9a in start_thread (arg=0x7f2c3d72a700) at pthread_create.c:308
#6  0x00007f2c4e3cb3fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f2c3cf29700 (LWP 7129)):
#0  0x00007f2c4e3bfa43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2c4bb9fff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c4bba045a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c4407a5e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f2c4bbc19b5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2c4c06ce9a in start_thread (arg=0x7f2c3cf29700) at pthread_create.c:308
#6  0x00007f2c4e3cb3fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2c25d67700 (LWP 7134)):
#0  0x00007f2c4c06ef69 in __pthread_mutex_lock (mutex=0x7f2c20000a60) at pthread_mutex_lock.c:92
#1  0x00007f2c4bbdb5b1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2c4bb9f811 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2c4bb9ff1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2c4bba0124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2c4eb41426 in QEventDispatcherGlib::processEvents (this=0x7f2c200008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f2c4eb10c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f2c4eb10ed7 in QEventLoop::exec (this=0x7f2c25d66dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f2c4ea0ffa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f2c4eaf09ff in QInotifyFileSystemWatcherEngine::run (this=0x13f37e0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f2c4ea12fcb in QThreadPrivate::start (arg=0x13f37e0) at thread/qthread_unix.cpp:298
#11 0x00007f2c4c06ce9a in start_thread (arg=0x7f2c25d67700) at pthread_create.c:308
#12 0x00007f2c4e3cb3fd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2c4752a780 (LWP 7127)):
[KCrash Handler]
#6  0x00007f2c4eb25b02 in QObject::disconnect (sender=0x153c5c0, signal=0x16b8269 "rowsInserted(QModelIndex,int,int)", receiver=0x1617eb0, method=0x16b7509 "_k_slotRowsInserted(QModelIndex,int,int)") at kernel/qobject.cpp:2891
#7  0x00007f2c504a1cff in eventFilter (event=0x7fffb71c5040, watched=0x11c1750, this=0x1401250) at ../../kdeui/itemviews/kwidgetitemdelegate.cpp:253
#8  KWidgetItemDelegatePrivate::eventFilter (this=0x1401250, watched=0x11c1750, event=0x7fffb71c5040) at ../../kdeui/itemviews/kwidgetitemdelegate.cpp:236
#9  0x00007f2c4eb12028 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x11c1750, event=0x7fffb71c5040) at kernel/qcoreapplication.cpp:986
#10 0x00007f2c4f78985f in notify_helper (e=0x7fffb71c5040, receiver=0x11c1750, this=0xbdd460) at kernel/qapplication.cpp:4555
#11 QApplicationPrivate::notify_helper (this=0xbdd460, receiver=0x11c1750, e=0x7fffb71c5040) at kernel/qapplication.cpp:4531
#12 0x00007f2c4f78e713 in QApplication::notify (this=0x7fffb71c6030, receiver=0x11c1750, e=0x7fffb71c5040) at kernel/qapplication.cpp:4420
#13 0x00007f2c504c33f6 in KApplication::notify (this=0x7fffb71c6030, receiver=0x11c1750, event=0x7fffb71c5040) at ../../kdeui/kernel/kapplication.cpp:311
#14 0x00007f2c4eb11e9c in QCoreApplication::notifyInternal (this=0x7fffb71c6030, receiver=0x11c1750, event=0x7fffb71c5040) at kernel/qcoreapplication.cpp:876
#15 0x00007f2c4fca430d in sendEvent (event=0x7fffb71c5040, receiver=0x11c1750) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#16 QAccessible::queryAccessibleInterface (object=0x11c1750) at accessible/qaccessible.cpp:593
#17 0x00007f2c4fcaa51d in QAccessible::updateAccessibility (o=<optimized out>, who=0, reason=QAccessible::ObjectDestroyed) at accessible/qaccessible_unix.cpp:102
#18 0x00007f2c4f7d474f in QWidget::~QWidget (this=0x11c1750, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#19 0x00007f2c4f7d4a19 in QWidget::~QWidget (this=0x11c1750, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1700
#20 0x00007f2c4eb24935 in QObjectPrivate::deleteChildren (this=0x1400880) at kernel/qobject.cpp:1908
#21 0x00007f2c4f7d4740 in QWidget::~QWidget (this=0x15edd10, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#22 0x00007f2c5043bf8e in ~KAboutApplicationPersonListView (this=0x15edd10, __in_chrg=<optimized out>) at ../../kdeui/dialogs/kaboutapplicationpersonlistview_p.h:26
#23 KDEPrivate::KAboutApplicationPersonListView::~KAboutApplicationPersonListView (this=0x15edd10, __in_chrg=<optimized out>) at ../../kdeui/dialogs/kaboutapplicationpersonlistview_p.h:26
#24 0x00007f2c4eb24935 in QObjectPrivate::deleteChildren (this=0x153a140) at kernel/qobject.cpp:1908
#25 0x00007f2c4f7d4740 in QWidget::~QWidget (this=0x1596db0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#26 0x00007f2c4f7d4a19 in QWidget::~QWidget (this=0x1596db0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1700
#27 0x00007f2c4eb24935 in QObjectPrivate::deleteChildren (this=0x12011c0) at kernel/qobject.cpp:1908
#28 0x00007f2c4f7d4740 in QWidget::~QWidget (this=0x1611bb0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#29 0x00007f2c4fbf54b9 in QStackedWidget::~QStackedWidget (this=0x1611bb0, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:193
#30 0x00007f2c4eb24935 in QObjectPrivate::deleteChildren (this=0x153a3a0) at kernel/qobject.cpp:1908
#31 0x00007f2c4f7d4740 in QWidget::~QWidget (this=0x154fb90, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#32 0x00007f2c4fc00fa9 in QTabWidget::~QTabWidget (this=0x154fb90, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:367
#33 0x00007f2c4eb24935 in QObjectPrivate::deleteChildren (this=0x1636580) at kernel/qobject.cpp:1908
#34 0x00007f2c4f7d4740 in QWidget::~QWidget (this=0x15be770, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#35 0x00007f2c4f7d4a19 in QWidget::~QWidget (this=0x15be770, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1700
#36 0x00007f2c4eb24935 in QObjectPrivate::deleteChildren (this=0x1201c70) at kernel/qobject.cpp:1908
#37 0x00007f2c4f7d4740 in QWidget::~QWidget (this=0x15f8d70, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1676
#38 0x00007f2c5042f729 in KAboutApplicationDialog::~KAboutApplicationDialog (this=0x15f8d70, __in_chrg=<optimized out>) at ../../kdeui/dialogs/kaboutapplicationdialog.cpp:306
#39 0x00007f2c5056e3be in KHelpMenu::timerExpired (this=0xea1e00) at ../../kdeui/widgets/khelpmenu.cpp:373
#40 0x00007f2c4eb2b446 in QObject::event (this=0xea1e00, e=<optimized out>) at kernel/qobject.cpp:1195
#41 0x00007f2c4f789894 in notify_helper (e=0x1649570, receiver=0xea1e00, this=0xbdd460) at kernel/qapplication.cpp:4559
#42 QApplicationPrivate::notify_helper (this=0xbdd460, receiver=0xea1e00, e=0x1649570) at kernel/qapplication.cpp:4531
#43 0x00007f2c4f78e713 in QApplication::notify (this=0x7fffb71c6030, receiver=0xea1e00, e=0x1649570) at kernel/qapplication.cpp:4420
#44 0x00007f2c504c33f6 in KApplication::notify (this=0x7fffb71c6030, receiver=0xea1e00, event=0x1649570) at ../../kdeui/kernel/kapplication.cpp:311
#45 0x00007f2c4eb11e9c in QCoreApplication::notifyInternal (this=0x7fffb71c6030, receiver=0xea1e00, event=0x1649570) at kernel/qcoreapplication.cpp:876
#46 0x00007f2c4eb15c6a in sendEvent (event=0x1649570, receiver=0xea1e00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#47 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xba9ff0) at kernel/qcoreapplication.cpp:1500
#48 0x00007f2c4eb40f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#49 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#50 0x00007f2c4bb9fd13 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f2c4bba0060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f2c4bba0124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f2c4eb413bf in QEventDispatcherGlib::processEvents (this=0xbab4b0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#54 0x00007f2c4f831d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#55 0x00007f2c4eb10c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#56 0x00007f2c4eb10ed7 in QEventLoop::exec (this=0x7fffb71c5fc0, flags=...) at kernel/qeventloop.cpp:204
#57 0x00007f2c4eb15f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#58 0x000000000040a7e5 in main (argc=5, argv=0x7fffb71c62f8) at ../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 324308, bug 324248.

Reported using DrKonqi