Comment # 22 on bug 1047852 from Yasuhiko Kamata

(In reply to Felix Miata from comment #21)
> (In reply to Yasuhiko Kamata from comment #20)
> > KDE3 also supports OSS (Open Sound System) (run "modprobe snd-pcm-oss" in
> > order to work).
> 
> When, every boot? Once only? If not, can it be made automatic? Does anything
> else need to be done to prevent the crashing that still occurs as of KDE3
> updates as of a month or so ago? KDE3 for 15.1 seems to be getting rebuilt
> every week or so.

snd-pcm-oss is always required in order to use OSS.
Run "echo snd-pcm-oss > /etc/modules-load.d/snd-pcm-oss.conf" to load it during
boot.