Public bug reported:

When booting up Ubuntu Gutsy 7.10 I hear the Ubuntu sound that comes on
when the login screen comes up. But this is the last time I ever hear
any kind of sound.

I have checked my volume is not muted. When I try to play something in
xmms I get the following error in the terminal:

** WARNING **: oss_open(): Failed to open audio device (/dev/dsp):
Device or resource busy

Here is some info:

Output from lspci -v
00:14.5 Multimedia audio controller: ATI Technologies Inc IXP SB400 AC'97 Audio 
Controller (rev 02)
        Subsystem: Hewlett-Packard Company Unknown device 309b
        Flags: bus master, 66MHz, slow devsel, latency 64, IRQ 17
        Memory at c0003400 (32-bit, non-prefetchable) [size=256]
        Capabilities: <access denied>

>From lsmod | grep snd
snd_rtctimer            5216  1 
snd_atiixp_modem       19468  2 
snd_seq_dummy           5380  0 
snd_seq_oss            36864  0 
snd_atiixp             24084  5 
snd_ac97_codec        122200  2 snd_atiixp_modem,snd_atiixp
ac97_bus                4096  1 snd_ac97_codec
snd_pcm_oss            50048  0 
snd_mixer_oss          20096  1 snd_pcm_oss
snd_seq_midi           11008  0 
snd_pcm                94344  8 
snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss
snd_rawmidi            29824  1 snd_seq_midi
snd_seq_midi_event      9984  2 snd_seq_oss,snd_seq_midi
snd_seq                62496  7 
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              27272  3 snd_rtctimer,snd_pcm,snd_seq
snd_seq_device         10260  5 
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd                    69288  22 
snd_atiixp_modem,snd_seq_oss,snd_atiixp,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore              10272  1 snd
snd_page_alloc         12560  3 snd_atiixp_modem,snd_atiixp,snd_pcm

And from: cat /proc/asound/cards
 0 [IXP            ]: ATIIXP - ATI IXP
                      ATI IXP rev 2 with unknown codec at 0xc0003400, irq 17
 1 [Modem          ]: ATIIXP-MODEM - ATI IXP Modem
                      ATI IXP Modem rev 2 at 0xc0003800, irq 17

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
No Sound ATI IXP SB400 AC'97
https://bugs.launchpad.net/bugs/176047
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