Problem with nVidia MCP51 HDA

[Jason Smith <jvsmith@xxxxxxxxxxxxxxxx>]

Hello,

I've recently purchased an Asus M2NPV-VM mainboard. I'm using the
on-board sound with HDA turned on in the BIOS. The problem that I'm
having is that when I try to change the volume using Volume Control
2.16.1 or any other change the audio stops even though the player shows
the audio still playing. The only way to be able to hear audio from the
speakers again is to reboot. If I stop the audio before changing the
volume then restart the audio I still hear audio. I've done a couple of
quick test with both XMMS and mpg321.

I'm running Fedora Core 6 on an AMD Athlon(tm) 64 X2 Dual Core Processor
4200+ using kernel 2.6.18-1.2849.fc6.

Here's a list of the modules that get loaded for sound.

[root@x2 ~]# lsmod | grep snd
snd_hda_intel          53725  3 
snd_hda_codec         223681  1 snd_hda_intel
snd_seq_dummy          37317  0 
snd_seq_oss            69953  0 
snd_seq_midi_event     41921  1 snd_seq_oss
snd_seq                96609  5
snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device         42581  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss            81761  0 
snd_mixer_oss          51649  1 snd_pcm_oss
snd_pcm               125129  3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer              59849  2 snd_seq,snd_pcm
snd                   101737  15
snd_hda_intel,snd_hda_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore              44769  1 snd
snd_page_alloc         44113  2 snd_hda_intel,snd_pcm

lspci -vv for the audio portion
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio
(rev a2)
        Subsystem: ASUSTeK Computer Inc. Unknown device 81cb
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0 (500ns min, 1250ns max)
        Interrupt: pin B routed to IRQ 209
        Region 0: Memory at fe024000 (32-bit, non-prefetchable)
[size=16K]
        Capabilities: [44] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] Message Signalled Interrupts: 64bit+
Queue=0/0 Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [6c] HyperTransport: MSI Mapping

Any help of any kind would be greatly appreciated. If you want me to run
some commands, load some new software just let me know.

Thanks,
Jason
-- 
Jason Smith
jvsmith at digitalmatter.us

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