You have a module conflict, here: es1371 (kernel-oss) and snd_ens1371(alsa)
try to use the same hardware.
Make sure to not load es1371 but use the alsa module instead, especially since
alsa is default for linux-2.6.x.
However, this has absolutely nothing to do with KDE.
HS
Hendrik Says all this but I don't know how to do what he is saying...