Re: snapper does not work on PowerBook5,6

[Michael <macallan%netbsd.org@localhost>]

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Hello,

On Oct 9, 2010, at 3:41 PM, Frank Wille wrote:

> I have a PowerBook5,6. OF lists a "i2s" device for sound, which is  
> matched
> by snapper(4). Does snapper generally work?

Absolutely.

> Here the whole system freezes (interrupt storm?) when I send a  
> bigger file to /dev/audio. With very short
> files nothing will happen at all.

This is weird.
Got any dmesg output? Apple seems to reorganize its device tree with  
every model no matter if the actual hardware changed or not. Snapper  
needs the deq driver to attach in order to find the codec which should  
live on iic at ki2c at obio.

> ff985d68: /pci@f2000000/mac-io@17/i2s@0/i2s-a@10000/sound
>
> built-in
> compatible              414f4162 61736500 ........ ........    
> "AOAbase"
> device_type             736f756e 64636869 7000.... ........    
> "soundchip"
> layout-id               00000046 ........ ........ ........   ...F
> name                    736f756e 6400.... ........ ........   "sound"
> object-model-version    00000002 ........ ........ ........   ....
> platform-tas-codec-ref  ff98cbc8 ........ ........ ........   ....
> vendor-id               0000106b ........ ........ ........   ...k

That's the DMA part which is the same all the way back to awacs.

have fun
Michael

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