Application: apper (0.6.2)
KDE Platform Version: 4.6.41 (4.7 >= 20110106) "release 2"
Qt Version: 4.7.2
Operating System: Linux 2.6.37.1-1.2-desktop i686
Distribution: "openSUSE 11.4 (i586)"

-- Information about the crash:
1. Click on the symbol in control bar
2. Apper opens, shows updates
3. Click on "X" to close Apper

[Make DrKonqi happy]

The crash can be reproduced every time.

-- Backtrace:
Application: Apper (apper), signal: Segmentation fault
[KCrash Handler]
#7  0xb630d30d in QWidget::testAttribute_helper (this=0x80d7840, attribute=Qt::WA_ForceDisabled) at kernel/qwidget.cpp:10870
#8  0xb63174b4 in testAttribute (this=0x80d7840, attribute=Qt::WA_ForceDisabled, on=false) at ../../src/gui/kernel/qwidget.h:1031
#9  QWidget::setAttribute (this=0x80d7840, attribute=Qt::WA_ForceDisabled, on=false) at kernel/qwidget.cpp:10549
#10 0xb631fac8 in QWidget::setEnabled (this=0x80d7840, enable=true) at kernel/qwidget.cpp:3285
#11 0xb44070d5 in ApperKCM::save (this=0x81b46e8) at /usr/src/debug/apper-0.6.3.60git.1303203001/ApperKCM/ApperKCM.cpp:724
#12 0xb6f2a8da in KCModuleProxy::save (this=0x8208d98) at /usr/src/debug/kdelibs-4.6.41_20110410/kutils/kcmoduleproxy.cpp:279
#13 0xb6f274bc in KCMultiDialogPrivate::apply (this=0x814f4d0) at /usr/src/debug/kdelibs-4.6.41_20110410/kutils/kcmultidialog.cpp:300
#14 0xb6f2878c in KCMultiDialog::qt_metacall (this=0x814e678, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfa0bccc) at /usr/src/debug/kdelibs-4.6.41_20110410/build/kutils/kcmultidialog.moc:95
#15 0xb70b607d in QMetaObject::metacall (object=0x814e678, cl=QMetaObject::InvokeMetaMethod, idx=79, argv=0xbfa0bccc) at kernel/qmetaobject.cpp:237
#16 0xb70c54cc in QMetaObject::activate (sender=0x814e678, m=0x8056400, local_signal_index=7, argv=0x0) at kernel/qobject.cpp:3278
#17 0xb73e2a95 in KDialog::applyClicked (this=0x814e678) at /usr/src/debug/kdelibs-4.6.41_20110410/build/kdeui/kdialog.moc:246
#18 0xb73e371f in KDialog::slotButtonClicked (this=0x814e678, button=8) at /usr/src/debug/kdelibs-4.6.41_20110410/kdeui/dialogs/kdialog.cpp:887
#19 0xb73e3f23 in KDialog::qt_metacall (this=0x814e678, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbfa0bed8) at /usr/src/debug/kdelibs-4.6.41_20110410/build/kdeui/kdialog.moc:190
#20 0xb74d2632 in KPageDialog::qt_metacall (this=0x814e678, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfa0bed8) at /usr/src/debug/kdelibs-4.6.41_20110410/build/kdeui/kpagedialog.moc:70
#21 0xb6f286a2 in KCMultiDialog::qt_metacall (this=0x814e678, _c=QMetaObject::InvokeMetaMethod, _id=69, _a=0xbfa0bed8) at /usr/src/debug/kdelibs-4.6.41_20110410/build/kutils/kcmultidialog.moc:86
#22 0xb70b607d in QMetaObject::metacall (object=0x814e678, cl=QMetaObject::InvokeMetaMethod, idx=69, argv=0xbfa0bed8) at kernel/qmetaobject.cpp:237
#23 0xb70c54cc in QMetaObject::activate (sender=0x814f524, m=0xb71e9130, local_signal_index=0, argv=0xbfa0bed8) at kernel/qobject.cpp:3278
#24 0xb70ca505 in QSignalMapper::mapped (this=0x814f524, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:101
#25 0xb70ca779 in QSignalMapper::map (this=0x814f524, sender=0x814efd8) at kernel/qsignalmapper.cpp:266
#26 0xb70ca88e in QSignalMapper::map (this=0x814f524) at kernel/qsignalmapper.cpp:257
#27 0xb70cae30 in QSignalMapper::qt_metacall (this=0x814f524, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfa0c068) at .moc/release-shared/moc_qsignalmapper.cpp:87
#28 0xb70b607d in QMetaObject::metacall (object=0x814f524, cl=QMetaObject::InvokeMetaMethod, idx=8, argv=0xbfa0c068) at kernel/qmetaobject.cpp:237
#29 0xb70c54cc in QMetaObject::activate (sender=0x814efd8, m=0xb6c2e824, local_signal_index=2, argv=0xbfa0c068) at kernel/qobject.cpp:3278
#30 0xb69e745d in QAbstractButton::clicked (this=0x814efd8, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#31 0xb66e07cd in QAbstractButtonPrivate::emitClicked (this=0x815b330) at widgets/qabstractbutton.cpp:546
#32 0xb66e20ab in QAbstractButtonPrivate::click (this=0x815b330) at widgets/qabstractbutton.cpp:539
#33 0xb66e2366 in QAbstractButton::mouseReleaseEvent (this=0x814efd8, e=0xbfa0c784) at widgets/qabstractbutton.cpp:1121
#34 0xb631daf0 in QWidget::event (this=0x814efd8, event=0xbfa0c784) at kernel/qwidget.cpp:8259
#35 0xb66e1380 in QAbstractButton::event (this=0x814efd8, e=0xbfa0c784) at widgets/qabstractbutton.cpp:1080
#36 0xb6783918 in QPushButton::event (this=0x814efd8, e=0xbfa0c784) at widgets/qpushbutton.cpp:683
#37 0xb62c2684 in QApplicationPrivate::notify_helper (this=0x8079700, receiver=0x814efd8, e=0xbfa0c784) at kernel/qapplication.cpp:4462
#38 0xb62cbf80 in QApplication::notify (this=0xbfa0c49c, receiver=0x814efd8, e=0xbfa0c784) at kernel/qapplication.cpp:4023
#39 0xb749bde1 in KApplication::notify (this=0xbfa0cff0, receiver=0x814efd8, event=0xbfa0c784) at /usr/src/debug/kdelibs-4.6.41_20110410/kdeui/kernel/kapplication.cpp:311
#40 0xb70af78e in QCoreApplication::notifyInternal (this=0xbfa0cff0, receiver=0x814efd8, event=0xbfa0c784) at kernel/qcoreapplication.cpp:731
#41 0xb62c372c in sendSpontaneousEvent (receiver=0x814efd8, event=0xbfa0c784, alienWidget=0x814efd8, nativeWidget=0x814e678, buttonDown=0xb6c37c00, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:218
#42 QApplicationPrivate::sendMouseEvent (receiver=0x814efd8, event=0xbfa0c784, alienWidget=0x814efd8, nativeWidget=0x814e678, buttonDown=0xb6c37c00, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3120
#43 0xb634fbb0 in QETWidget::translateMouseEvent (this=0x814e678, event=0xbfa0cc9c) at kernel/qapplication_x11.cpp:4461
#44 0xb634ecbe in QApplication::x11ProcessEvent (this=0xbfa0cff0, event=0xbfa0cc9c) at kernel/qapplication_x11.cpp:3465
#45 0xb63795e0 in x11EventSourceDispatch (s=0x807c168, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#46 0xb5920509 in g_main_dispatch (context=0x807ba00) at gmain.c:2440
#47 g_main_context_dispatch (context=0x807ba00) at gmain.c:3013
#48 0xb5920d10 in g_main_context_iterate (context=0x807ba00, block=1, dispatch=1, self=0x8079640) at gmain.c:3091
#49 0xb5920fce in g_main_context_iteration (context=0x807ba00, may_block=1) at gmain.c:3154
#50 0xb70ddf7b in QEventDispatcherGlib::processEvents (this=0x80782e0, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#51 0xb63791da in QGuiEventDispatcherGlib::processEvents (this=0x80782e0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#52 0xb70aea6d in QEventLoop::processEvents (this=0xbfa0cf54, flags=...) at kernel/qeventloop.cpp:149
#53 0xb70aec99 in QEventLoop::exec (this=0xbfa0cf54, flags=...) at kernel/qeventloop.cpp:201
#54 0xb70b3740 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#55 0xb62c03d4 in QApplication::exec () at kernel/qapplication.cpp:3736
#56 0x08053117 in main (argc=) at /usr/src/debug/apper-0.6.3.60git.1303203001/Apper/main.cpp:66

Reported using DrKonqi