Application: apper (0.7.2)
KDE Platform Version: 4.8.3 (4.8.3) (Compiled from sources)
Qt Version: 4.8.2
Operating System: Linux 3.4.0-1.fc17.x86_64 x86_64
Distribution: "Fedora release 17 (Beefy Miracle)"

-- Information about the crash:
- What I was doing when the application crashed: Trying to install new software with apper.  Specifically, I was trying to download Gimp.

- Unusual behavior I noticed: A dialogue box asked me to accept new settings.  I clicked ok, and then the loading bar got stuck.

-- Backtrace:
Application: Apper (apper), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#6  0x00000032ca41d174 in QStackedWidget::setCurrentIndex (this=0x15b6f70, index=0) at widgets/qstackedwidget.cpp:258
#7  0x00007f8ffb2cc1ce in ApperKCM::on_backTB_clicked (this=this@entry=0x14faee0) at /usr/src/debug/apper-0.7.2/ApperKCM/ApperKCM.cpp:540
#8  0x00007f8ffb2cc64c in setPage (page=..., this=0x14faee0) at /usr/src/debug/apper-0.7.2/ApperKCM/ApperKCM.cpp:501
#9  ApperKCM::setPage (this=0x14faee0, page=...) at /usr/src/debug/apper-0.7.2/ApperKCM/ApperKCM.cpp:438
#10 0x00007f8ffb2cdbf0 in ApperKCM::qt_metacall (this=0x14faee0, _c=QMetaObject::WriteProperty, _id=0, _a=0x7fff94a4ad60) at /usr/src/debug/apper-0.7.2/x86_64-redhat-linux-gnu/ApperKCM/ApperKCM.moc:155
#11 0x000000307777fdab in QMetaProperty::write (this=0x7fff94a4ade0, object=0x14faee0, value=...) at kernel/qmetaobject.cpp:2364
#12 0x000000307778fd73 in QObject::setProperty (this=0x14faee0, name=0x40b629 "page", value=...) at kernel/qobject.cpp:3725
#13 0x0000000000406a3d in MainUi::showAll (this=0x142e330) at /usr/src/debug/apper-0.7.2/Apper/MainUi.cpp:64
#14 0x000000000040a3bf in Apper::showUi (this=0x7fff94a4ba60) at /usr/src/debug/apper-0.7.2/Apper/Apper.cpp:155
#15 0x000000307778acee in QObject::event (this=0x7fff94a4ba60, e=<optimized out>) at kernel/qobject.cpp:1195
#16 0x00000032c9fcc484 in QApplication::event (this=0x7fff94a4ba60, e=0x167f010) at kernel/qapplication.cpp:2533
#17 0x00000032c9fca37c in QApplicationPrivate::notify_helper (this=this@entry=0x12c2330, receiver=receiver@entry=0x7fff94a4ba60, e=e@entry=0x167f010) at kernel/qapplication.cpp:4551
#18 0x00000032c9fce7fa in QApplication::notify (this=0x7fff94a4ba60, receiver=0x7fff94a4ba60, e=0x167f010) at kernel/qapplication.cpp:4412
#19 0x00000032cb645a56 in KApplication::notify (this=0x7fff94a4ba60, receiver=0x7fff94a4ba60, event=0x167f010) at /usr/src/debug/kdelibs-4.8.3/kdeui/kernel/kapplication.cpp:311
#20 0x00000030777763ee in QCoreApplication::notifyInternal (this=0x7fff94a4ba60, receiver=receiver@entry=0x7fff94a4ba60, event=event@entry=0x167f010) at kernel/qcoreapplication.cpp:915
#21 0x0000003077779ea1 in sendEvent (event=0x167f010, receiver=0x7fff94a4ba60) at kernel/qcoreapplication.h:231
#22 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x12994d0) at kernel/qcoreapplication.cpp:1539
#23 0x00000030777a4353 in sendPostedEvents () at kernel/qcoreapplication.h:236
#24 postEventSourceDispatch (s=s@entry=0x12c6c50) at kernel/qeventdispatcher_glib.cpp:279
#25 0x00000032194476e5 in g_main_dispatch (context=0x12cc470) at gmain.c:2539
#26 g_main_context_dispatch (context=context@entry=0x12cc470) at gmain.c:3075
#27 0x0000003219447a18 in g_main_context_iterate (context=context@entry=0x12cc470, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3146
#28 0x0000003219447ad4 in g_main_context_iteration (context=0x12cc470, may_block=1) at gmain.c:3207
#29 0x00000030777a44e6 in QEventDispatcherGlib::processEvents (this=0x129a990, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00000032ca06a2ee in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#31 0x000000307777513f in QEventLoop::processEvents (this=this@entry=0x7fff94a4b830, flags=...) at kernel/qeventloop.cpp:149
#32 0x00000030777753c8 in QEventLoop::exec (this=0x7fff94a4b830, flags=...) at kernel/qeventloop.cpp:204
#33 0x000000307777a1b8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#34 0x00000000004064ef in main (argc=2, argv=0x7fff94a4bba8) at /usr/src/debug/apper-0.7.2/Apper/main.cpp:136

Reported using DrKonqi