This backtrace appears to be of no use.
This is probably because your packages are built in a way which prevents creation of proper backtraces, or the stack frame was seriously corrupted in the crash.

(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb65318d0 (LWP 27319)]
0xb8080430 in __kernel_vsyscall ()
[Current thread is 0 (process 27319)]

Thread 1 (Thread 0xb65318d0 (LWP 27319)):
#0  0xb8080430 in __kernel_vsyscall ()
#1  0xb7f33dc0 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7f33bfe in sleep () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d66612 in KCrash::startDrKonqi (argv=0xbfa802c4, argc=17) at /build/buildd/kde4libs-4.1.4/kdeui/util/kcrash.cpp:412
#4  0xb7d67014 in KCrash::defaultCrashHandler (sig=11) at /build/buildd/kde4libs-4.1.4/kdeui/util/kcrash.cpp:337
#5  <signal handler called>
#6  0x00000051 in ?? ()
#7  0xb8039858 in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#8  0xb77850ff in QObjectPrivate::deleteChildren () from /usr/lib/libQtCore.so.4
#9  0xb6e0d928 in QWidget::~QWidget () from /usr/lib/libQtGui.so.4
#10 0xb8042768 in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#11 0xb802fd9d in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#12 0xb8030b79 in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#13 0xb8030d2f in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#14 0xb80313fc in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#15 0xb778ba60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb778c7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb8035503 in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#18 0xb8035649 in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#19 0xb803573e in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#20 0xb778ba60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#21 0xb778c7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb7c594d7 in KDialog::applyClicked (this=0x94189b8) at /build/buildd/kde4libs-4.1.4/obj-i486-linux-gnu/kdeui/kdialog.moc:235
#23 0xb7c5c305 in KDialog::slotButtonClicked (this=0x94189b8, button=8) at /build/buildd/kde4libs-4.1.4/kdeui/dialogs/kdialog.cpp:848
#24 0xb7c5c594 in KDialog::qt_metacall (this=0x94189b8, _c=QMetaObject::InvokeMetaMethod, _id=33, _a=0xbfa80c2c) at /build/buildd/kde4libs-4.1.4/obj-i486-linux-gnu/kdeui/kdialog.moc:181
#25 0xb80356ca in ?? () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#26 0xb778ba60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#27 0xb778c7e2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#28 0xb778f873 in QSignalMapper::mapped () from /usr/lib/libQtCore.so.4
#29 0xb77900fd in QSignalMapper::map () from /usr/lib/libQtCore.so.4
#30 0xb77902ee in QSignalMapper::map () from /usr/lib/libQtCore.so.4
#31 0xb7790bbb in QSignalMapper::qt_metacall () from /usr/lib/libQtCore.so.4
#32 0xb778ba60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#33 0xb778be60 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#34 0xb73a2e61 in QAbstractButton::clicked () from /usr/lib/libQtGui.so.4
#35 0xb70f6199 in ?? () from /usr/lib/libQtGui.so.4
#36 0xb70f7d94 in ?? () from /usr/lib/libQtGui.so.4
#37 0xb70f8026 in QAbstractButton::mouseReleaseEvent () from /usr/lib/libQtGui.so.4
#38 0xb6e0c962 in QWidget::event () from /usr/lib/libQtGui.so.4
#39 0xb70f603e in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#40 0xb719c910 in QPushButton::event () from /usr/lib/libQtGui.so.4
#41 0xb6db48ec in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#42 0xb6dbd0e1 in QApplication::notify () from /usr/lib/libQtGui.so.4
#43 0xb7cf8d1d in KApplication::notify (this=0x93a53d8, receiver=0x9477f90, event=0xbfa81388) at /build/buildd/kde4libs-4.1.4/kdeui/kernel/kapplication.cpp:311
#44 0xb7776e61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#45 0xb6dbc36e in QApplicationPrivate::sendMouseEvent () from /usr/lib/libQtGui.so.4
#46 0xb6e26656 in ?? () from /usr/lib/libQtGui.so.4
#47 0xb6e259e5 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#48 0xb6e4f7aa in ?? () from /usr/lib/libQtGui.so.4
#49 0xb675c6f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#50 0xb675fda3 in ?? () from /usr/lib/libglib-2.0.so.0
#51 0xb675ff61 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#52 0xb77a1478 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#53 0xb6e4eea5 in ?? () from /usr/lib/libQtGui.so.4
#54 0xb777552a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#55 0xb77756ea in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#56 0xb7777da5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#57 0xb6db4767 in QApplication::exec () from /usr/lib/libQtGui.so.4
#58 0xb802f54b in kdemain () from /usr/lib/kde4/lib/libkdeinit4_kmix.so
#59 0x08048582 in _start ()
#0  0xb8080430 in __kernel_vsyscall ()