[LAU] No ALSA after installing stock Debian kernel

[David Baron]

No cards, no /proc/asound, nada

Here is a part of the problem:
$ dmesg | grep -i snd
[    5.501289] snd: Unknown parameter `device_mode'
[    5.521068] snd: Unknown parameter `device_mode'
[    5.548879] snd_timer: Unknown symbol snd_info_register
[    5.549233] snd_timer: Unknown symbol snd_info_create_module_entry
[    5.549514] snd_timer: Unknown symbol snd_info_free_entry
[    5.549995] snd_timer: Unknown symbol snd_iprintf
[    5.550369] snd_timer: Unknown symbol snd_ecards_limit
[    5.550684] snd_timer: Unknown symbol snd_oss_info_register
[    5.551992] snd_timer: Unknown symbol snd_unregister_device
[    5.552298] snd_timer: Unknown symbol snd_device_new
[    5.552789] snd_timer: Unknown symbol snd_register_device_for_dev
[    5.555342] snd_timer: Unknown symbol snd_info_register
[    5.555677] snd_timer: Unknown symbol snd_info_create_module_entry
[    5.556022] snd_timer: Unknown symbol snd_info_free_entry
[    5.556537] snd_timer: Unknown symbol snd_iprintf
[    5.556921] snd_timer: Unknown symbol snd_ecards_limit
[    5.557275] snd_timer: Unknown symbol snd_oss_info_register
[    5.557529] snd_timer: Unknown symbol snd_unregister_device
[    5.557852] snd_timer: Unknown symbol snd_device_new
[    5.558402] snd_timer: Unknown symbol snd_register_device_for_dev
[    8.488754] snd: Unknown parameter `device_mode'
[    8.520580] snd_seq_device: Unknown symbol snd_info_register
[    8.521128] snd_seq_device: Unknown symbol snd_info_create_module_entry
[    8.521679] snd_seq_device: Unknown symbol snd_info_free_entry
[    8.522232] snd_seq_device: Unknown symbol snd_seq_root
[    8.522793] snd_seq_device: Unknown symbol snd_iprintf
[    8.523669] snd_seq_device: Unknown symbol snd_device_new
[   94.168026] snd: Unknown parameter `device_mode'
[   94.177591] snd_seq_device: Unknown symbol snd_info_register
[   94.177807] snd_seq_device: Unknown symbol snd_info_create_module_entry
[   94.178028] snd_seq_device: Unknown symbol snd_info_free_entry
[   94.178255] snd_seq_device: Unknown symbol snd_seq_root
[   94.178513] snd_seq_device: Unknown symbol snd_iprintf
[   94.178878] snd_seq_device: Unknown symbol snd_device_new

I had compiled some of this stuff into custom kernels to solve the previous 
outbreak. Seems I should not need to do this and stock linux-images should 
work. Anyone had this and fixed it?