[Bug 303251] New: System Settings crashes when doubleclicking

Thomas Damgaard thomasdn at gmail.com
Mon Jul 9 19:19:42 BST 2012 

https://bugs.kde.org/show_bug.cgi?id=303251

            Bug ID: 303251
          Severity: crash
           Version: 1.0
          Priority: NOR
          Assignee: unassigned-bugs at kde.org
           Summary: System Settings crashes when doubleclicking
    Classification: Unclassified
                OS: Linux
          Reporter: thomasdn at gmail.com
          Hardware: Ubuntu Packages
            Status: UNCONFIRMED
         Component: general
           Product: systemsettings

Application: systemsettings (1.0)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

1: Start System Settings
2: Configure  > Classic View
3: Expand System Administration
4: Doubleclick Login Screen

Crash..

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 0x7f5c13e5c780 (LWP 23709))]

Thread 3 (Thread 0x7f5bfd90b700 (LWP 23717)):
#0  0x00007f5c112e7b03 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5c0eace036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5c0eace164 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5c11a68426 in QEventDispatcherGlib::processEvents
(this=0x7f5bf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f5c11a37c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5c11a37ed7 in QEventLoop::exec (this=0x7f5bfd90add0, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007f5c11936fa7 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007f5c11a179ff in QInotifyFileSystemWatcherEngine::run (this=0x1400e00)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5c11939fcb in QThreadPrivate::start (arg=0x1400e00) at
thread/qthread_unix.cpp:298
#9  0x00007f5c0ef9ae9a in start_thread (arg=0x7f5bfd90b700) at
pthread_create.c:308
#10 0x00007f5c112f34bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5be54b2700 (LWP 23723)):
#0  0x00007f5c112e7b03 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5c0eace036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5c0eace49a in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5be579b406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f5c0eaef9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5c0ef9ae9a in start_thread (arg=0x7f5be54b2700) at
pthread_create.c:308
#6  0x00007f5c112f34bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5c13e5c780 (LWP 23709)):
[KCrash Handler]
#6  0x00007f5c1347fe3e in KCModule::setNeedsAuthorization (this=0x1dcdb00,
needsAuth=<optimized out>) at ../../kdeui/widgets/kcmodule.cpp:150
#7  0x00007f5bfc0e3be0 in KDModule::KDModule (this=0x1dcdb00, parent=<optimized
out>) at ../../../kdm/kcm/main.cpp:275
#8  0x00007f5bfc0e6384 in KPluginFactory::createInstance<KDModule, QWidget>
(parentWidget=<optimized out>, parent=<optimized out>, args=...) at
/usr/include/kpluginfactory.h:477
#9  0x00007f5c1222b891 in KPluginFactory::create (this=0xdf4a40,
iface=0x7f5c1356da20 "KCModule", parentWidget=0x0, parent=0x16e4a10, args=...,
keyword=...) at ../../kdecore/util/kpluginfactory.cpp:203
#10 0x00007f5c13a4f708 in create<KCModule> (parent=0x16e4a10, this=0xdf4a40,
args=..., keyword=..., parentWidget=0x0) at
../../kdecore/util/kpluginfactory.h:531
#11 createInstance<KCModule> (error=0x7fff35de8aa0, args=..., parent=0x16e4a10,
parentWidget=0x0, this=0x11da810) at ../../kdecore/services/kservice.h:559
#12 createInstance<KCModule> (error=0x7fff35de8aa0, args=..., parent=0x16e4a10,
this=0x11da810) at ../../kdecore/services/kservice.h:536
#13 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline,
parent=0x16e4a10, args=...) at ../../kutils/kcmoduleloader.cpp:89
#14 0x00007f5c13a545f8 in KCModuleProxyPrivate::loadModule (this=0x1dd8ea0) at
../../kutils/kcmoduleproxy.cpp:106
#15 0x00007f5c13a55315 in KCModuleProxy::realModule (this=<optimized out>) at
../../kutils/kcmoduleproxy.cpp:83
#16 0x00007f5c1382d37c in ModuleView::stateChanged (this=0x11c6860) at
../../../systemsettings/core/ModuleView.cpp:350
#17 0x00007f5c1382e433 in qt_static_metacall (_a=<optimized out>,
_id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at
./ModuleView.moc:76
#18 ModuleView::qt_static_metacall (_o=<optimized out>, _c=<optimized out>,
_id=<optimized out>, _a=<optimized out>) at ./ModuleView.moc:61
#19 0x00007f5c11a4d281 in QMetaObject::activate (sender=0x11bc6a0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff35de9360) at
kernel/qobject.cpp:3547
#20 0x00007f5c1341d5ec in KPageWidget::currentPageChanged (this=<optimized
out>, _t1=0x30bdbf0, _t2=0x0) at ./kpagewidget.moc:110
#21 0x00007f5c11a4d281 in QMetaObject::activate (sender=0x11bc6a0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff35de94b0) at
kernel/qobject.cpp:3547
#22 0x00007f5c13419c67 in KPageView::currentPageChanged (this=<optimized out>,
_t1=..., _t2=...) at ./kpageview.moc:154
#23 0x00007f5c1341a1d2 in KPageViewPrivate::_k_pageSelected (this=0x1209d90,
index=..., previous=...) at ../../kdeui/paged/kpageview.cpp:244
#24 0x00007f5c11a4d281 in QMetaObject::activate (sender=0x189a420, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff35de96c0) at
kernel/qobject.cpp:3547
#25 0x00007f5c12c2d8b7 in QItemSelectionModel::selectionChanged
(this=<optimized out>, _t1=..., _t2=...) at
.moc/release-shared/moc_qitemselectionmodel.cpp:166
#26 0x00007f5c12c33714 in QItemSelectionModel::emitSelectionChanged
(this=0x189a420, newSelection=..., oldSelection=...) at
itemviews/qitemselectionmodel.cpp:1544
#27 0x00007f5c12c346a1 in QItemSelectionModel::select (this=0x189a420,
selection=..., command=...) at itemviews/qitemselectionmodel.cpp:1110
#28 0x00007f5c12c2f8ea in QItemSelectionModel::select (this=0x189a420,
index=..., command=...) at itemviews/qitemselectionmodel.cpp:985
#29 0x00007f5c12c2db27 in QItemSelectionModel::setCurrentIndex (this=0x189a420,
index=..., command=...) at itemviews/qitemselectionmodel.cpp:1174
#30 0x00007f5c13418f07 in KPageViewPrivate::_k_rebuildGui (this=0x1209d90) at
../../kdeui/paged/kpageview.cpp:70
#31 0x00007f5c13419f05 in KPageViewPrivate::_k_modelChanged (this=0x1209d90) at
../../kdeui/paged/kpageview.cpp:190
#32 0x00007f5c11a4d281 in QMetaObject::activate (sender=0x1207e60, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#33 0x00007f5c1341f280 in KPageWidgetModel::addPage (this=0x1207e60,
item=0x30bdbf0) at ../../kdeui/paged/kpagewidgetmodel.cpp:401
#34 0x00007f5c1382ddbc in ModuleView::addModule (this=0x11c6860,
module=0x1212908) at ../../../systemsettings/core/ModuleView.cpp:191
#35 0x00007f5c1382e232 in ModuleView::loadModule (this=0x11c6860, menuItem=...)
at ../../../systemsettings/core/ModuleView.cpp:144
#36 0x00007f5c021ff572 in changeModule (activeModule=..., this=0xf60a80) at
../../../systemsettings/classic/ClassicMode.cpp:165
#37 ClassicMode::changeModule (this=0xf60a80, activeModule=...) at
../../../systemsettings/classic/ClassicMode.cpp:154
#38 0x00007f5c11a4d281 in QMetaObject::activate (sender=0x11e57f0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff35dea0b0) at
kernel/qobject.cpp:3547
#39 0x00007f5c12bd6b05 in QAbstractItemView::activated (this=<optimized out>,
_t1=...) at .moc/release-shared/moc_qabstractitemview.cpp:362
#40 0x00007f5c12bd700f in QAbstractItemView::mouseReleaseEvent (this=0x11e57f0,
event=0x7fff35deae90) at itemviews/qabstractitemview.cpp:1821
#41 0x00007f5c12701144 in QWidget::event (this=0x11e57f0, event=0x7fff35deae90)
at kernel/qwidget.cpp:8362
#42 0x00007f5c12ac13b6 in QFrame::event (this=0x11e57f0, e=0x7fff35deae90) at
widgets/qframe.cpp:557
#43 0x00007f5c12bd589b in QAbstractItemView::viewportEvent (this=0x11e57f0,
event=0x7fff35deae90) at itemviews/qabstractitemview.cpp:1644
#44 0x00007f5c12c1d4b5 in QTreeView::viewportEvent (this=0x11e57f0,
event=0x7fff35deae90) at itemviews/qtreeview.cpp:1257
#45 0x00007f5c11a39028 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>,
receiver=0x1663080, event=0x7fff35deae90) at kernel/qcoreapplication.cpp:986
#46 0x00007f5c126b085f in notify_helper (e=0x7fff35deae90, receiver=0x1663080,
this=0xe04e60) at kernel/qapplication.cpp:4555
#47 QApplicationPrivate::notify_helper (this=0xe04e60, receiver=0x1663080,
e=0x7fff35deae90) at kernel/qapplication.cpp:4531
#48 0x00007f5c126b60bf in QApplication::notify (this=<optimized out>,
receiver=0x1663080, e=0x7fff35deae90) at kernel/qapplication.cpp:4102
#49 0x00007f5c133ea9e6 in KApplication::notify (this=0x7fff35debb70,
receiver=0x1663080, event=0x7fff35deae90) at
../../kdeui/kernel/kapplication.cpp:311
#50 0x00007f5c11a38e9c in QCoreApplication::notifyInternal
(this=0x7fff35debb70, receiver=0x1663080, event=0x7fff35deae90) at
kernel/qcoreapplication.cpp:876
#51 0x00007f5c126b1862 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#52 QApplicationPrivate::sendMouseEvent (receiver=0x1663080,
event=0x7fff35deae90, alienWidget=0x1663080, nativeWidget=0x1206460,
buttonDown=0x1663080, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3170
#53 0x00007f5c12730bf5 in QETWidget::translateMouseEvent (this=0x1206460,
event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#54 0x00007f5c1272fbae in QApplication::x11ProcessEvent (this=0x7fff35debb70,
event=0x7fff35deb760) at kernel/qapplication_x11.cpp:3732
#55 0x00007f5c127590d2 in x11EventSourceDispatch (s=0xdf5e50, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#56 0x00007f5c0eacdd53 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007f5c0eace0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f5c0eace164 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#59 0x00007f5c11a683bf in QEventDispatcherGlib::processEvents (this=0xdce4b0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#60 0x00007f5c12758d5e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#61 0x00007f5c11a37c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#62 0x00007f5c11a37ed7 in QEventLoop::exec (this=0x7fff35debb00, flags=...) at
kernel/qeventloop.cpp:204
#63 0x00007f5c11a3cf67 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1148
#64 0x000000000040a7e5 in main (argc=5, argv=0x7fff35debe38) at
../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 275883, bug 275388, bug 275369, bug 274946,
bug 274723.

Reported using DrKonqi

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