После смены материнской платы (с чипcета nForce3-250 на чипсет AMD770) и видеоадаптера (c nVidia 7600AGP на nVidia GT430 PCI-E) после появления рабочего стола появляется сообщение о том, что приложение kded4 рухнуло.
Закрытие окна позволяет работать дальше без всяких видимых проблем.


Вывод отладчика
Application: Служба KDE (kdeinit4), signal: Aborted
[Current thread is 1 (Thread 0xb5b3b720 (LWP 6017))]

Thread 3 (Thread 0xaf5f8b70 (LWP 6036)):
#0  0xb6589afc in poll () from /lib/libc.so.6
#1  0xb60c26fb in g_poll () from /lib/libglib-2.0.so.0
#2  0xb60b1b97 in ?? () from /lib/libglib-2.0.so.0
#3  0xb60b236b in g_main_loop_run () from /lib/libglib-2.0.so.0
#4  0xaf6b5fd4 in ?? () from /usr/lib/libgio-2.0.so.0
#5  0xb60db88f in ?? () from /lib/libglib-2.0.so.0
#6  0xb6fb1940 in start_thread () from /lib/libpthread.so.0
#7  0xb65938ae in clone () from /lib/libc.so.6

Thread 2 (Thread 0xaedf8b70 (LWP 6038)):
#0  0xb6589afc in poll () from /lib/libc.so.6
#1  0xb60c26fb in g_poll () from /lib/libglib-2.0.so.0
#2  0xb60b1b97 in ?? () from /lib/libglib-2.0.so.0
#3  0xb60b1f28 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0xb712f977 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#5  0xb71055c9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0xb7105872 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb70210b2 in QThread::exec() () from /usr/lib/libQtCore.so.4
#8  0xb70eb39b in ?? () from /usr/lib/libQtCore.so.4
#9  0xb70234d4 in ?? () from /usr/lib/libQtCore.so.4
#10 0xb6fb1940 in start_thread () from /lib/libpthread.so.0
#11 0xb65938ae in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5b3b720 (LWP 6017)):
[KCrash Handler]
#6  0xb64f0b17 in raise () from /lib/libc.so.6
#7  0xb64f22ae in abort () from /lib/libc.so.6
#8  0xb64e9607 in __assert_fail () from /lib/libc.so.6
#9  0xae555f0b in snd_hctl_handle_events () from /usr/lib/libasound.so.2
#10 0xae5632c1 in snd_mixer_handle_events () from /usr/lib/libasound.so.2
#11 0xaf815b72 in ?? () from /usr/lib/kde4/kded_kmixd.so
#12 0xaf810aff in ?? () from /usr/lib/kde4/kded_kmixd.so
#13 0xaf80cfc8 in ?? () from /usr/lib/kde4/kded_kmixd.so
#14 0xb710beae in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#15 0xb7115896 in QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/libQtCore.so.4
#16 0xb7119957 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#17 0xb6842dcc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#18 0xb6847718 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#19 0xb765cbd5 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#20 0xb7106378 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#21 0xb71090ca in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#22 0xb710919d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#23 0xb712f7e4 in ?? () from /usr/lib/libQtCore.so.4
#24 0xb60b145a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0xb60b1c58 in ?? () from /lib/libglib-2.0.so.0
#26 0xb60b1f28 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0xb712f93c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#28 0xb68e7eb5 in ?? () from /usr/lib/libQtGui.so.4
#29 0xb71055c9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#30 0xb7105872 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#31 0xb7109267 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#32 0xb6841067 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#33 0xb5810000 in kdemain () from /usr/lib/libkdeinit4_kded4.so
#34 0x0804cd75 in _start ()

Файл ~/.xsession-errors:0 прилагается