*   Loading: snd-card-0 ...
WARNING: Error inserting snd_timer (/lib/modules/2.6.20-gentoo-r5/kernel/sound/core/snd-timer.ko): Unknown symbol in module, or unknown parameter (see dmesg)
WARNING: Error inserting snd_pcm (/lib/modules/2.6.20-gentoo-r5/kernel/sound/core/snd-pcm.ko): Unknown symbol in module, or unknown parameter (see dmesg)
WARNING: Error inserting snd_ac97_codec (/lib/modules/2.6.20-gentoo-r5/alsa-driver/pci/ac97/snd-ac97-codec.ko): Unknown symbol in module, or unknown parameter (see dmesg)
WARNING: Error inserting snd_rawmidi (/lib/modules/2.6.20-gentoo-r5/kernel/sound/core/snd-rawmidi.ko): Unknown symbol in module, or unknown parameter (see dmesg)
FATAL: Error inserting snd_emu10k1 (/lib/modules/2.6.20-gentoo-r5/alsa-driver/pci/emu10k1/snd-emu10k1.ko): Unknown symbol in module, or unknown parameter (see dmesg)                                         [ !! ]
 *   Loading: snd-seq ...