If you can reproduce the crash at will, may you read http://techbase.kde.org/Development/Tutorials/Debugging/How_to_create_useful_crash_reports and post a complete backtrace here? YOu may need to install the "phonon-dbg" and "kdebase-runtime-dbg" packages.
The backtrace looks related to bug 193179.
Thanks

Hi Andres,
                  I have given the complete traceback below. Let me
know if its useful

Thanks,
Arvind


Application: KNotify (knotify4), signal SIGABRT

Thread 1 (Thread 0xb6408700 (LWP 15455)):
[KCrash Handler]
#6  0xb7f56430 in __kernel_vsyscall ()
#7  0xb6a046d0 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb6a06098 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb69fd5ce in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
#10 0xb47fedd2 in ?? () from /usr/lib/libasound.so.2
#11 0xb4c3d467 in installAlsaPhononDeviceHandle () at
/build/buildd/kdebase-runtime-4.2.2/phonon/platform_kde/devicelisting.cpp:56
#12 0xb4c3d686 in DeviceListing (this=0x931afa0) at
/build/buildd/kdebase-runtime-4.2.2/phonon/platform_kde/devicelisting.cpp:122
#13 0xb4c379be in Phonon::KdePlatformPlugin::ensureDeviceListingObject
(this=0x9315f78) at
/build/buildd/kdebase-runtime-4.2.2/phonon/platform_kde/kdeplatformplugin.cpp:268
#14 0xb4c37abf in Phonon::KdePlatformPlugin::objectDescriptionIndexes
(this=0x9315f78, type=Phonon::AudioOutputDeviceType)
    at /build/buildd/kdebase-runtime-4.2.2/phonon/platform_kde/kdeplatformplugin.cpp:279
#15 0xb7ba901c in Phonon::GlobalConfig::audioOutputDeviceListFor
(this=0xbfe71428, category=Phonon::NotificationCategory,
override=<value optimized out>)
    at /build/buildd/phonon-4.3.1/phonon/globalconfig.cpp:144
#16 0xb7ba955f in Phonon::GlobalConfig::audioOutputDeviceFor
(this=0xbfe71428, category=Phonon::NotificationCategory, override=6)
at /build/buildd/phonon-4.3.1/phonon/globalconfig.cpp:178
#17 0xb7ba3d87 in Phonon::AudioOutputPrivate::init (this=0x93589e8,
c=Phonon::NotificationCategory) at
/build/buildd/phonon-4.3.1/phonon/audiooutput.cpp:94
#18 0x08052964 in PlayerPool::getPlayer (this=0x92ee70c) at
/build/buildd/kdebase-runtime-4.2.2/knotify/notifybysound.cpp:59
#19 0x0805304e in NotifyBySound::notify (this=0x92ee440, eventId=154,
config=0x92c2538) at
/build/buildd/kdebase-runtime-4.2.2/knotify/notifybysound.cpp:237
#20 0x0804e12c in KNotify::emitEvent (this=0xbfe7205c, e=0x92c2530) at
/build/buildd/kdebase-runtime-4.2.2/knotify/knotify.cpp:176
#21 0x0804e563 in KNotify::event (this=0xbfe7205c, event=@0x9318a48,
appname=@0x92c0af0, contexts=@0xbfe71648, text=@0x931b018,
pixmap=@0xbfe71634, actions=@0x931abb0, winId=0)
    at /build/buildd/kdebase-runtime-4.2.2/knotify/knotify.cpp:126
#22 0x0804e956 in KNotifyAdaptor::event (this=0x93099c8,
event=@0x9318a48, fromApp=@0x92c0af0, contexts=@0x92c2a50,
text=@0x931b018, image=@0x9319fe0, actions=@0x931abb0, winId=<value
optimized out>)
    at /build/buildd/kdebase-runtime-4.2.2/knotify/knotify.cpp:235
#23 0x0804fd05 in KNotifyAdaptor::qt_metacall (this=0x93099c8,
_c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfe717f8)
    at /build/buildd/kdebase-runtime-4.2.2/obj-i486-linux-gnu/knotify/knotify.moc:211
#24 0xb7908d7a in ?? () from /usr/lib/libQtDBus.so.4
#25 0xb790a099 in ?? () from /usr/lib/libQtDBus.so.4
#26 0xb790a501 in ?? () from /usr/lib/libQtDBus.so.4
#27 0xb790a9fa in ?? () from /usr/lib/libQtDBus.so.4
#28 0xb78003a0 in QObject::event () from /usr/lib/libQtCore.so.4
#29 0xb6da2e9c in QApplicationPrivate::notify_helper () from
/usr/lib/libQtGui.so.4
#30 0xb6dab19e in QApplication::notify () from /usr/lib/libQtGui.so.4
#31 0xb7d8494d in KApplication::notify () from /usr/lib/libkdeui.so.5
#32 0xb77efa3b in QCoreApplication::notifyInternal () from
/usr/lib/libQtCore.so.4
#33 0xb77f0695 in QCoreApplicationPrivate::sendPostedEvents () from
/usr/lib/libQtCore.so.4
#34 0xb77f088d in QCoreApplication::sendPostedEvents () from
/usr/lib/libQtCore.so.4
#35 0xb781b7ef in ?? () from /usr/lib/libQtCore.so.4
#36 0xb6635b88 in IA__g_main_context_dispatch (context=0x9272a00) at
/build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#37 0xb66390eb in g_main_context_iterate (context=0x9272a00, block=1,
dispatch=1, self=0x9272008) at
/build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#38 0xb6639268 in IA__g_main_context_iteration (context=0x9272a00,
may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#39 0xb781b438 in QEventDispatcherGlib::processEvents () from
/usr/lib/libQtCore.so.4
#40 0xb6e44365 in ?? () from /usr/lib/libQtGui.so.4
#41 0xb77ee06a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#42 0xb77ee4aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#43 0xb77f0959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#44 0xb6da2d17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#45 0x0804d5b7 in main (argc=1, argv=0xbfe721c4) at
/build/buildd/kdebase-runtime-4.2.2/knotify/main.cpp:73

On Tue, Jun 23, 2009 at 5:48 PM, Dario Andres<andresbajotierra@gmail.com> wrote:
> https://bugs.kde.org/show_bug.cgi?id=197600
>
>
> Dario Andres <andresbajotierra@gmail.com> changed:
>
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |andresbajotierra@gmail.com
>
>
>
>
> --- Comment #1 from Dario Andres <andresbajotierra gmail com>  2009-06-23 14:18:00 ---
> If you can reproduce the crash at will, may you read
> http://techbase.kde.org/Development/Tutorials/Debugging/How_to_create_useful_crash_reports
> and post a complete backtrace here? YOu may need to install the "phonon-dbg"
> and "kdebase-runtime-dbg" packages.
> The backtrace looks related to bug 193179.
> Thanks
>
> --
> Configure bugmail: https://bugs.kde.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You reported the bug.
>

Thanks a lot, the new backtrace is a useful.

*** This bug has been marked as a duplicate of bug 193179 ***