Version:           1.2 alpha 3 (using KDE 4.2.3)
OS:                Linux
Installed from:    Gentoo Packages

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)
[Thread debugging using libthread_db enabled]
[New Thread 0x7fe6150f0760 (LWP 3870)]
[New Thread 0x435e9950 (LWP 3882)]
[New Thread 0x417ef950 (LWP 3881)]
[New Thread 0x42de8950 (LWP 3880)]
[New Thread 0x40fee950 (LWP 3877)]
[New Thread 0x425e7950 (LWP 3876)]
0x00007fe6108a5c01 in nanosleep () from /lib/libc.so.6
[Current thread is 0 (LWP 3870)]

Thread 6 (Thread 0x425e7950 (LWP 3876)):
#0  0x00007fe611a1fc5d in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe60a9d9af5 in ?? () from /usr/lib64/libxine.so.1
#2  0x00007fe611a1b097 in start_thread () from /lib/libpthread.so.0
#3  0x00007fe6108d2dcd in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x40fee950 (LWP 3877)):
#0  0x00007fe6108ccab2 in select () from /lib/libc.so.6
#1  0x00007fe611d75444 in QEventDispatcherUNIX::select () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007fe611d76256 in QEventDispatcherUNIXPrivate::doSelect () from /usr/lib64/qt4/libQtCore.so.4
#3  0x00007fe611d76713 in QEventDispatcherUNIX::processEvents () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007fe611d4ffa5 in QEventLoop::processEvents () from /usr/lib64/qt4/libQtCore.so.4
#5  0x00007fe611d50126 in QEventLoop::exec () from /usr/lib64/qt4/libQtCore.so.4
#6  0x00007fe611c8542c in QThread::exec () from /usr/lib64/qt4/libQtCore.so.4
#7  0x00007fe60ac2f816 in ?? () from /usr/lib64/kde4/plugins/phonon_backend/phonon_xine.so
#8  0x00007fe611c877b0 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#9  0x00007fe611a1b097 in start_thread () from /lib/libpthread.so.0
#10 0x00007fe6108d2dcd in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x42de8950 (LWP 3880)):
#0  0x00007fe611a222bb in read () from /lib/libpthread.so.0
#1  0x00007fe60aff9e25 in ?? () from /usr/lib64/libasound.so.2
#2  0x00007fe60aff532e in snd_hctl_handle_events () from /usr/lib64/libasound.so.2
#3  0x00007fe60affe745 in snd_mixer_handle_events () from /usr/lib64/libasound.so.2
#4  0x00007fe60625c9ab in ?? () from /usr/lib64/xine/plugins/1.26/xineplug_ao_out_alsa.so
#5  0x00007fe611a1b097 in start_thread () from /lib/libpthread.so.0
#6  0x00007fe6108d2dcd in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x417ef950 (LWP 3881)):
#0  0x00007fe611a1f9d9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe60a9e6e4d in ?? () from /usr/lib64/libxine.so.1
#2  0x00007fe60a9e7cc8 in ?? () from /usr/lib64/libxine.so.1
#3  0x00007fe611a1b097 in start_thread () from /lib/libpthread.so.0
#4  0x00007fe6108d2dcd in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x435e9950 (LWP 3882)):
#0  0x00007fe611a1f9d9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fe611c883f5 in QWaitCondition::wait () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007fe6132213b4 in ?? () from /usr/lib64/qt4/libQtNetwork.so.4
#3  0x00007fe611c877b0 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007fe611a1b097 in start_thread () from /lib/libpthread.so.0
#5  0x00007fe6108d2dcd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe6150f0760 (LWP 3870)):
#0  0x00007fe6108a5c01 in nanosleep () from /lib/libc.so.6
#1  0x00007fe6108a5ab4 in sleep () from /lib/libc.so.6
#2  0x00007fe612bb2f2e in KCrash::startDrKonqi (argv=0x7fff1d12e360, argc=17) at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/util/kcrash.cpp:412
#3  0x00007fe612bb371a in KCrash::defaultCrashHandler (sig=11) at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/util/kcrash.cpp:337
#4  <signal handler called>
#5  0x00007fe611cc8407 in QString::toUpper () from /usr/lib64/qt4/libQtCore.so.4
#6  0x0000000000491806 in ?? ()
#7  0x00000000004923a6 in ?? ()
#8  0x00000000005063bf in ?? ()
#9  0x00000000005063f9 in ?? ()
#10 0x00000000005064a8 in ?? ()
#11 0x00007fe611d627ed in QMetaObject::activate () from /usr/lib64/qt4/libQtCore.so.4
#12 0x00007fe611d5ddc4 in QObject::event () from /usr/lib64/qt4/libQtCore.so.4
#13 0x00007fe61116e44e in QApplicationPrivate::notify_helper () from /usr/lib64/qt4/libQtGui.so.4
#14 0x00007fe611175cff in QApplication::notify () from /usr/lib64/qt4/libQtGui.so.4
#15 0x00007fe612b49f04 in KApplication::notify (this=0x7fff1d12f800, receiver=0x1013b20, event=0x7fff1d12f410)
    at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/kernel/kapplication.cpp:307
#16 0x00007fe611d50b54 in QCoreApplication::notifyInternal () from /usr/lib64/qt4/libQtCore.so.4
#17 0x00007fe611d75cc7 in ?? () from /usr/lib64/qt4/libQtCore.so.4
#18 0x00007fe611d76748 in QEventDispatcherUNIX::processEvents () from /usr/lib64/qt4/libQtCore.so.4
#19 0x00007fe6111e8c93 in ?? () from /usr/lib64/qt4/libQtGui.so.4
#20 0x00007fe611d4ffa5 in QEventLoop::processEvents () from /usr/lib64/qt4/libQtCore.so.4
#21 0x00007fe611d50126 in QEventLoop::exec () from /usr/lib64/qt4/libQtCore.so.4
#22 0x00007fe611d520ce in QCoreApplication::exec () from /usr/lib64/qt4/libQtCore.so.4
#23 0x0000000000458742 in ?? ()
#24 0x00007fe61082b4a4 in __libc_start_main () from /lib/libc.so.6
#25 0x0000000000435bc9 in _start ()
#0  0x00007fe6108a5c01 in nanosleep () from /lib/libc.so.6