Bug 326355

Application: systemsettings (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.2
Operating System: Linux 3.5.0-18-generic i686
Distribution: Ubuntu 12.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
was trying to use canonmx for scanning. First time. Going to install xsane

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xafbfb740 (LWP 25938))]

Thread 2 (Thread 0xac6e2b40 (LWP 25942)):
#0  0xb2dffdcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb5fc53e5 in do_gettime (frac=0xac6e1fb0, sec=0xac6e1fa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb60af726 in QTimerInfoList::updateCurrentTime (this=0xabd0207c) at kernel/qeventdispatcher_unix.cpp:343
#4  0xb60afa7a in QTimerInfoList::timerWait (this=0xabd0207c, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0xb60ae323 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xac6e20bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb60ae3bd in timerSourcePrepare (source=0xabd02048, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb3024832 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb3024f6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb30251c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb60aede7 in QEventDispatcherGlib::processEvents (this=0xabd00480, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0xb607a6ad in QEventLoop::processEvents (this=0xac6e2240, flags=...) at kernel/qeventloop.cpp:149
#12 0xb607a949 in QEventLoop::exec (this=0xac6e2240, flags=...) at kernel/qeventloop.cpp:204
#13 0xb5f63a1c in QThread::exec (this=0x86826a0) at thread/qthread.cpp:501
#14 0xb6057cfd in QInotifyFileSystemWatcherEngine::run (this=0x86826a0) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb5f66eb0 in QThreadPrivate::start (arg=0x86826a0) at thread/qthread_unix.cpp:307
#16 0xb30f6d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb5d5fdde in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xafbfb740 (LWP 25938)):
[KCrash Handler]
#7  deref (this=0x0) at /usr/include/qt4/QtCore/qatomic_i386.h:132
#8  ~QByteArray (this=0x89394b4, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qbytearray.h:401
#9  ~Private (this=0x8939458, __in_chrg=<optimized out>) at ../../kdecore/kernel/kaboutdata.cpp:392
#10 KAboutData::~KAboutData (this=0x8840f48, __in_chrg=<optimized out>) at ../../kdecore/kernel/kaboutdata.cpp:477
#11 0xaa4137f1 in release_KAboutData (sipCppV=0x8840f48) at sip/kdecore/sipkdecorepart7.cpp:18450
#12 0xaa416b9a in dealloc_KAboutData (sipSelf=0x8e8992c) at sip/kdecore/sipkdecorepart7.cpp:18461
#13 dealloc_KAboutData (sipSelf=0x8e8992c) at sip/kdecore/sipkdecorepart7.cpp:18457
#14 0xabe5231e in forgetObject (sw=0x8e8992c) at /build/buildd/sip4-4.13.2/siplib/siplib.c:10124
#15 0xabe52c61 in sipWrapper_dealloc (self=0x8e8992c) at /build/buildd/sip4-4.13.2/siplib/siplib.c:9675
#16 0xaa66e038 in subtype_dealloc.25253 () from /usr/lib/libpython2.7.so.1.0
#17 0xaa7585df in dict_dealloc.18378 () from /usr/lib/libpython2.7.so.1.0
#18 0xabe52119 in sipSimpleWrapper_clear (self=0x8e89344) at /build/buildd/sip4-4.13.2/siplib/siplib.c:9245
#19 0xabe52bbe in sipWrapper_clear (self=0x8e89344) at /build/buildd/sip4-4.13.2/siplib/siplib.c:9626
#20 0xabe52c69 in sipWrapper_dealloc (self=0x8e89344) at /build/buildd/sip4-4.13.2/siplib/siplib.c:9677
#21 0xaa66e038 in subtype_dealloc.25253 () from /usr/lib/libpython2.7.so.1.0
#22 0xaa7581e6 in frame_dealloc.14722 () from /usr/lib/libpython2.7.so.1.0
#23 0xaa758834 in tb_dealloc.46112 () from /usr/lib/libpython2.7.so.1.0
#24 0xaa758844 in tb_dealloc.46112 () from /usr/lib/libpython2.7.so.1.0
#25 0xaa766de1 in PyDict_DelItem () from /usr/lib/libpython2.7.so.1.0
#26 0xaa767038 in PyDict_DelItemString () from /usr/lib/libpython2.7.so.1.0
#27 0xaa73b4b8 in PySys_SetObject () from /usr/lib/libpython2.7.so.1.0
#28 0xaa6ab854 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#29 0xaa666542 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#30 0xaa6b05da in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#31 0xaa666542 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#32 0xaa6b05da in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#33 0xaa666542 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#34 0xaa6666f8 in function_call () from /usr/lib/libpython2.7.so.1.0
#35 0xaa750614 in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#36 0xaa750fab in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.7.so.1.0
#37 0xaa75108b in PyObject_CallObject () from /usr/lib/libpython2.7.so.1.0
#38 0xaca909d9 in RunFunction (object=<function at remote 0x8d50df4>, args=(0, 142854864, 141086352)) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:326
#39 0xaca91a7d in KPythonPluginFactory::create (this=0x8924990, iface=0xb73aaa60 "KCModule", parentWidget=0x0, parent=0x883cad0, args=..., keyword=...) at ../../kpythonpluginfactory/kpythonpluginfactory.cpp:216
#40 0xb7473919 in create<KCModule> (parent=0x883cad0, this=0x8924990, args=..., keyword=..., parentWidget=0x0) at ../../kdecore/util/kpluginfactory.h:531
#41 createInstance<KCModule> (error=0xbffbd7f8, args=..., parent=0x883cad0, parentWidget=0x0, this=0x84dab40) at ../../kdecore/services/kservice.h:573
#42 createInstance<KCModule> (error=0xbffbd7f8, args=..., parent=0x883cad0, this=0x84dab40) at ../../kdecore/services/kservice.h:550
#43 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x883cad0, args=...) at ../../kutils/kcmoduleloader.cpp:89
#44 0xb7479159 in KCModuleProxyPrivate::loadModule (this=0x883cb30) at ../../kutils/kcmoduleproxy.cpp:107
#45 0xb747a064 in KCModuleProxy::realModule (this=0x883cad0) at ../../kutils/kcmoduleproxy.cpp:83
#46 0xb747a0b1 in KCModuleProxy::showEvent (this=0x883cad0, ev=0xbffbdff0) at ../../kutils/kcmoduleproxy.cpp:198
#47 0xb66c94a9 in QWidget::event (this=0x883cad0, event=0xbffbdff0) at kernel/qwidget.cpp:8578
#48 0xb666edf4 in notify_helper (e=0xbffbdff0, receiver=0x883cad0, this=0x8209990) at kernel/qapplication.cpp:4556
#49 QApplicationPrivate::notify_helper (this=0x8209990, receiver=0x883cad0, e=0xbffbdff0) at kernel/qapplication.cpp:4528
#50 0xb66741f2 in QApplication::notify (this=0x8209990, receiver=0x883cad0, e=0xbffbdff0) at kernel/qapplication.cpp:4521
#51 0xb71f3ed1 in KApplication::notify (this=0xbffbf7ec, receiver=0x883cad0, event=0xbffbdff0) at ../../kdeui/kernel/kapplication.cpp:311
#52 0xb607be0e in QCoreApplication::notifyInternal (this=0xbffbf7ec, receiver=0x883cad0, event=0xbffbdff0) at kernel/qcoreapplication.cpp:915
#53 0xb66cc0dd in sendEvent (event=0xbffbdff0, receiver=0x883cad0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#54 QWidgetPrivate::show_helper (this=0x883cd18) at kernel/qwidget.cpp:7551
#55 0xb66cbdb4 in QWidgetPrivate::show_recursive (this=0x883cd18) at kernel/qwidget.cpp:7422
#56 0xb66cbeb9 in QWidgetPrivate::showChildren (this=0x883aa20, spontaneous=false) at kernel/qwidget.cpp:7859
#57 0xb66cbfd0 in QWidgetPrivate::show_helper (this=0x883aa20) at kernel/qwidget.cpp:7498
#58 0xb66cc411 in QWidget::setVisible (this=0x883aa08, visible=true) at kernel/qwidget.cpp:7773
#59 0xb66cbf38 in show (this=0x883aa08) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:494
#60 QWidgetPrivate::showChildren (this=0x883a810, spontaneous=false) at kernel/qwidget.cpp:7861
#61 0xb66cbfd0 in QWidgetPrivate::show_helper (this=0x883a810) at kernel/qwidget.cpp:7498
#62 0xb66cc411 in QWidget::setVisible (this=0x883a7f8, visible=true) at kernel/qwidget.cpp:7773
#63 0xb66aa14d in show (this=0x883a7f8) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:494
#64 QStackedLayout::setCurrentIndex (this=0x8527b58, index=3) at kernel/qstackedlayout.cpp:311
#65 0xb66aa2af in QStackedLayout::setCurrentWidget (this=0x8527b58, widget=0x883a7f8) at kernel/qstackedlayout.cpp:365
#66 0xb6b4eb1e in QStackedWidget::setCurrentWidget (this=0x8527938, widget=0x883a7f8) at widgets/qstackedwidget.cpp:292
#67 0xb722b69b in KPageViewPrivate::_k_pageSelected (this=0x8527530, index=..., previous=...) at ../../kdeui/paged/kpageview.cpp:235
#68 0xb6092bb1 in QMetaObject::activate (sender=0x8843020, m=0xb6ff4868, local_signal_index=0, argv=0xbffbe404) at kernel/qobject.cpp:3547
#69 0xb6c7fbbd in QItemSelectionModel::selectionChanged (this=0x8843020, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:166
#70 0xb6c85862 in QItemSelectionModel::emitSelectionChanged (this=0x8843020, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1600
#71 0xb6c86e2c in QItemSelectionModel::select (this=0x8843020, selection=..., command=...) at itemviews/qitemselectionmodel.cpp:1110
#72 0xb722c816 in select (command=..., selection=..., this=0x8843020) at ../../kdeui/paged/kpageview_p.cpp:619
#73 KDEPrivate::SelectionModel::select (this=0x8843020, selection=..., command=...) at ../../kdeui/paged/kpageview_p.cpp:613
#74 0xb6c4dfc7 in QListView::setSelection (this=0xbffbe648, rect=..., command=<error reading variable: Cannot access memory at address 0x0>) at itemviews/qlistview.cpp:1379
#75 0xb6c27990 in QAbstractItemView::mousePressEvent (this=0x852ada8, event=0xbffbef94) at itemviews/qabstractitemview.cpp:1690
#76 0xb66c9488 in QWidget::event (this=0x852ada8, event=0xbffbef94) at kernel/qwidget.cpp:8367
#77 0xb6ae7385 in QFrame::event (this=0x852ada8, e=0xbffbef94) at widgets/qframe.cpp:557
#78 0xb6b7a041 in QAbstractScrollArea::viewportEvent (this=0x852ada8, e=0xbffbef94) at widgets/qabstractscrollarea.cpp:1043
#79 0xb6c201ec in QAbstractItemView::viewportEvent (this=0x852ada8, event=0xbffbef94) at itemviews/qabstractitemview.cpp:1644
#80 0xb6b7c766 in viewportEvent (this=<optimized out>, event=0xbffbef94) at widgets/qabstractscrollarea_p.h:100
#81 eventFilter (e=0xbffbef94, this=<optimized out>, o=<optimized out>) at widgets/qabstractscrollarea_p.h:116
#82 QAbstractScrollAreaFilter::eventFilter (this=0x8765d38, o=0x88365c8, e=0xbffbef94) at widgets/qabstractscrollarea_p.h:115
#83 0xb607bfa6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8209990, receiver=0x88365c8, event=0xbffbef94) at kernel/qcoreapplication.cpp:1025
#84 0xb666edc2 in notify_helper (e=0xbffbef94, receiver=0x88365c8, this=0x8209990) at kernel/qapplication.cpp:4552
#85 QApplicationPrivate::notify_helper (this=0x8209990, receiver=0x88365c8, e=0xbffbef94) at kernel/qapplication.cpp:4528
#86 0xb6674e74 in QApplication::notify (this=0x8209990, receiver=0x88365c8, e=0xbffbef94) at kernel/qapplication.cpp:4099
#87 0xb71f3ed1 in KApplication::notify (this=0xbffbf7ec, receiver=0x88365c8, event=0xbffbef94) at ../../kdeui/kernel/kapplication.cpp:311
#88 0xb607be0e in QCoreApplication::notifyInternal (this=0xbffbf7ec, receiver=0x88365c8, event=0xbffbef94) at kernel/qcoreapplication.cpp:915
#89 0xb666fdb5 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#90 QApplicationPrivate::sendMouseEvent (receiver=0x88365c8, event=0xbffbef94, alienWidget=0x88365c8, nativeWidget=0x82f0418, buttonDown=0xb7003cf4, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#91 0xb66fbf94 in QETWidget::translateMouseEvent (this=0x82f0418, event=0xbffbf44c) at kernel/qapplication_x11.cpp:4617
#92 0xb66fab2d in QApplication::x11ProcessEvent (this=0xbffbf7ec, event=0xbffbf44c) at kernel/qapplication_x11.cpp:3732
#93 0xb6727e1c in x11EventSourceDispatch (s=0x8209570, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#94 0xb3024d46 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#95 0xb30250e5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#96 0xb30251c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#97 0xb60aed87 in QEventDispatcherGlib::processEvents (this=0x816bec0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#98 0xb6727a1a in QGuiEventDispatcherGlib::processEvents (this=0x816bec0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#99 0xb607a6ad in QEventLoop::processEvents (this=0xbffbf744, flags=...) at kernel/qeventloop.cpp:149
#100 0xb607a949 in QEventLoop::exec (this=0xbffbf744, flags=...) at kernel/qeventloop.cpp:204
#101 0xb608034a in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#102 0xb666c9c4 in QApplication::exec () at kernel/qapplication.cpp:3817
#103 0x08050488 in main (argc=<error reading variable: Cannot access memory at address 0x0>, argv=<error reading variable: Cannot access memory at address 0x4>) at ../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 325067, bug 320773, bug 316941, bug 316914, bug 316886.

Reported using DrKonqi