Hi Greg,

Greg 'groggy' Lehey wrote:
[Format recovered--see http://www.lemis.com/email/email-format.html]

Computer output wrapped.

On Sunday, 20 August 2006 at  4:44:06 +0000, Brad Kowalczyk wrote:
Hi,

Just wondering if anyone has any experience getting sound working for an
nforce1 motherboard?

Heh.  Just what I've been playing with right now.

Seems I have the correct driver loaded and the device exists but no
sound...

It would be good to say which one (kldstat output), but from below I
expect you'll have:

Id Refs Address    Size     Name
 6    1 0xc5577000 5000     snd_ich.ko
 7    1 0xc557c000 1d000    sound.ko
Here's my kldstat output:

Id Refs Address    Size     Name
5    1 0xc0a43000 328c     snd_driver.ko
6    2 0xc0a47000 45b8     snd_vibes.ko
7   29 0xc0a4c000 1d4fc    sound.ko
8    2 0xc0a6a000 46c8     snd_via82c686.ko
9    2 0xc0a6f000 47dc     snd_via8233.ko
10    2 0xc0a74000 4664     snd_t4dwave.ko
11    2 0xc0a79000 4604     snd_solo.ko
12    5 0xc0a7e000 49ec     snd_sbc.ko
13    2 0xc0a83000 4de4     snd_sb16.ko
14    2 0xc0a88000 49fc     snd_sb8.ko
15    2 0xc0a8d000 1095c    snd_neomagic.ko
16    3 0xc0a9e000 b6f8     snd_mss.ko
17    2 0xc0aaa000 944c     snd_maestro3.ko
18    2 0xc0ab4000 7200     snd_maestro.ko
19    2 0xc0abc000 59c4     snd_ich.ko
20    2 0xc0ac2000 4974     snd_fm801.ko
21    3 0xc0ac7000 505c     snd_ess.ko
22    2 0xc0acd000 62ac     snd_es137x.ko
23    2 0xc0ad4000 7494     snd_emu10k1.ko
24    2 0xc0adc000 bfe4     snd_ds1.ko
25    4 0xc0ae8000 7464     snd_csa.ko
26    2 0xc0af0000 443c     snd_cs4281.ko
27    2 0xc0af5000 517c     snd_cmi.ko
28    2 0xc0afb000 4e1c     snd_als4000.ko
29    2 0xc0b00000 4c9c     snd_ad1816.ko

I reallise I don't need all those other sound drivers, but can't seem tp find where to disable them...
Some info:

# pciconf -vl

<snip>

[EMAIL PROTECTED]:5:0: class=0x040100 card=0x37301462 chip=0x01b010de rev=0xc2
hdr=0x00
   vendor   = 'NVIDIA Corporation'
   device   = 'nForce MCP Audio Processing Unit (Dolby Digital)'
   class    = multimedia
   subclass = audio
[EMAIL PROTECTED]:6:0:  class=0x040100 card=0x37301462 chip=0x01b110de rev=0xc2
hdr=0x00
   vendor   = 'NVIDIA Corporation'
   device   = 'nForce MCP Audio Codec Interface'
   class    = multimedia
   subclass = audio

I have:

[EMAIL PROTECTED]:6:0:  class=0x040100 card=0x57001462 chip=0x006a10de rev=0xa1 
hdr=0x00
    vendor   = 'NVIDIA Corporation'
    device   = 'nForce MCP-T Audio Codec Interface'
    class    = multimedia
    subclass = audio

I don't have the APU.

# dmesg | grep pcm
pcm0: <nVidia nForce> port 0xe400-0xe47f,0xe000-0xe0ff mem 
0xdc180000-0xdc180fff irq 16 at device 6.0 on pci0
pcm0: <Analog Devices AD1885 AC97 Codec>
Interrupt storm detected on "irq16: pcm0 nv0++"; throttling interrupt source

pcm0: <nVidia nForce2> port 0xe400-0xe4ff,0xe800-0xe87f mem 
0xe4000000-0xe4000fff irq 21 at device 6.0 on pci0
pcm0: <Avance Logic ALC655 AC97 Codec>

Looks pretty much the same, except that the chipset is slightly
different.  The important message is the last one: "Interrupt storm".
That's the problem; I don't have a real answer, but what version of
FreeBSD are you running?  It might also help if you can connect the
pcm device to a different IRQ from the nv device; but that depends on
your motherboard BIOS.
I'm running 5.4 STABLE. I don't have much experience on FreeBSD, how do I change the IRQ for a device?

Cheers,

Brad

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