Unresolved symbols in ... & alsa

["Egor Tur" <worldeb@ukr.net>]

Hi folk.
I compile alsa module and try install it.
When I do
dpkg -i alsa-modules-2.4.20_0.9.0rc7-2_i386.deb
I have:
Configuration file for ALSA 0.9 exists.
Attempting to start.

depmod: *** Unresolved symbols in /lib/modules/2.4.20/alsa/snd-emu10k1-synth.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/alsa/snd-emu8000-synth.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/alsa/snd-emux-synth.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/alsa/snd-gus-synth.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/alsa/snd-trident-synth.o

What do these means?
dpkg cannot configure package, but package install on my systems & I use alsa & it works fine.

Thanx.