From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8) Gecko/20051111 Firefox/1.5

Description of problem:
[root@ckr-1 ~]# aplay /usr/share/sounds/alsa/Front_Center.wav 
ALSA lib conf.c:1592:(snd_config_load1) _toplevel_:51:23:No such file or directory
ALSA lib conf.c:2837:(snd_config_hook_load) /etc/alsa/cards/aliases.conf may be old or corrupted: consider to remove or fix it
ALSA lib conf.c:2700:(snd_config_hooks_call) function snd_config_hook_load returned error: No such file or directory
ALSA lib pcm.c:1969:(snd_pcm_open_conf) Invalid type for PCM default definition (id: default, value: cards.pcm.default)
aplay: main:544: audio open error: Invalid argument
[root@ckr-1 ~]# 


Version-Release number of selected component (if applicable):
alsa-lib-1.0.10-2.FC4

How reproducible:
Always

Steps to Reproduce:
1.  Install FC4 with 'minimal' Custom installation.
2.  yum update everything
3.  yum install alsa-utils, adjust alsamixer and attempt to play any *.wav
  

Actual Results:  [root@ckr-1 ~]# aplay /usr/share/sounds/alsa/Front_Center.wav 
ALSA lib conf.c:1592:(snd_config_load1) _toplevel_:51:23:No such file or directory
ALSA lib conf.c:2837:(snd_config_hook_load) /etc/alsa/cards/aliases.conf may be old or corrupted: consider to remove or fix it
ALSA lib conf.c:2700:(snd_config_hooks_call) function snd_config_hook_load returned error: No such file or directory
ALSA lib pcm.c:1969:(snd_pcm_open_conf) Invalid type for PCM default definition (id: default, value: cards.pcm.default)
aplay: main:544: audio open error: Invalid argument
[root@ckr-1 ~]# 

Expected Results:  Sound to emit from speakers.

Additional info:

Seems to have worked fine last week using same install technique.  Something has changed in the kernel or ALSA(!?).