Comment 2 for bug 137734

Upgrade to Kernel 2.6.20.16.28.1 also breaks snd-au8820. I will try to build the ALSA drivers manually. Here's some data similar to above

root@wood:/etc# modprobe -a snd-au8820
WARNING: Error inserting snd_ac97_codec (/lib/modules/2.6.20-16-generic/kernel/sound/pci/ac97/snd-ac97-codec.ko): Unknown symbol in module, or unknown parameter (see dmesg)
WARNING: Error inserting snd_au8820 (/lib/modules/2.6.20-16-generic/kernel/sound/pci/au88x0/snd-au8820.ko): Unknown symbol in module, or unknown parameter (see dmesg)
root@wood:/etc# uname -a
Linux wood 2.6.20-16-generic #2 SMP Sun Sep 23 19:50:39 UTC 2007 i686 GNU/Linux
root@wood:/etc# dmesg | tail
[ 626.016000] snd_au8820: disagrees about version of symbol snd_pcm_hw_constraint_pow2
[ 626.016000] snd_au8820: Unknown symbol snd_pcm_hw_constraint_pow2
[ 626.016000] snd_au8820: disagrees about version of symbol snd_pcm_set_ops
[ 626.016000] snd_au8820: Unknown symbol snd_pcm_set_ops
[ 626.016000] snd_au8820: disagrees about version of symbol snd_pcm_sgbuf_ops_page
[ 626.016000] snd_au8820: Unknown symbol snd_pcm_sgbuf_ops_page
[ 626.016000] snd_au8820: disagrees about version of symbol snd_pcm_hw_constraint_integer
[ 626.016000] snd_au8820: Unknown symbol snd_pcm_hw_constraint_integer
[ 626.016000] snd_au8820: disagrees about version of symbol snd_pcm_period_elapsed
[ 626.016000] snd_au8820: Unknown symbol snd_pcm_period_elapsed
root@wood:/etc#