audio drivers

$ aplay -l
aplay: device_list:252: no soundcards found...
$ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
$ modinfo soundcore
ERROR: modinfo: could not open /lib/modules/2.6.32-042stab076.5/modules.dep
$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 12.04.1 LTS
Release:	12.04
Codename:	precise
$ uname -a
Linux cdn3 2.6.32-042stab076.5 #1 SMP Mon Mar 18 20:41:34 MSK 2013 x86_64 x86_64 x86_64 GNU/Linux