I'm experiencing the same problem.
I also discussed this further in a forum at http://ubuntuforums.org/showthread.php?t=1113630
Here's more info, if you need any more information please let me know.
chris@ubuntu:~$ cat /proc/asound/cards 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0x58540000 irq 16 chris@ubuntu:~$ lsmod | grep snd snd_hda_intel 381488 4 snd_pcm_oss 46848 0 snd_mixer_oss 22784 1 snd_pcm_oss snd_pcm 83204 3 snd_hda_intel,snd_pcm_oss snd_seq_dummy 10884 0 snd_seq_oss 38528 0 snd_seq_midi 14336 0 snd_rawmidi 29824 1 snd_seq_midi snd_seq_midi_event 15232 2 snd_seq_oss,snd_seq_midi snd_seq 57776 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event snd_timer 29960 2 snd_pcm,snd_seq snd_seq_device 15116 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq snd 63268 16 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device soundcore 15328 1 snd snd_page_alloc 16136 2 snd_hda_intel,snd_pcm
I'm experiencing the same problem.
I also discussed this further in a forum at http:// ubuntuforums. org/showthread. php?t=1113630
Here's more info, if you need any more information please let me know.
chris@ubuntu:~$ cat /proc/asound/cards
HDA Intel at 0x58540000 irq 16 intel,snd_ pcm_oss oss,snd_ seq_midi dummy,snd_ seq_oss, snd_seq_ midi,snd_ seq_midi_ event dummy,snd_ seq_oss, snd_seq_ midi,snd_ rawmidi, snd_seq intel,snd_ pcm_oss, snd_mixer_ oss,snd_ pcm,snd_ seq_oss, snd_rawmidi, snd_seq, snd_timer, snd_seq_ device intel,snd_ pcm
0 [Intel ]: HDA-Intel - HDA Intel
chris@ubuntu:~$ lsmod | grep snd
snd_hda_intel 381488 4
snd_pcm_oss 46848 0
snd_mixer_oss 22784 1 snd_pcm_oss
snd_pcm 83204 3 snd_hda_
snd_seq_dummy 10884 0
snd_seq_oss 38528 0
snd_seq_midi 14336 0
snd_rawmidi 29824 1 snd_seq_midi
snd_seq_midi_event 15232 2 snd_seq_
snd_seq 57776 6 snd_seq_
snd_timer 29960 2 snd_pcm,snd_seq
snd_seq_device 15116 5 snd_seq_
snd 63268 16 snd_hda_
soundcore 15328 1 snd
snd_page_alloc 16136 2 snd_hda_