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Wolfgang  S. Rupprecht wrote:
>     cmpci0 at pci0 dev 9 function 0: C-Media Electronics, \
>     Inc. CMI8738/C3DX PCI Audio Device (rev. 0x10)

Same model as mine.

[ Problem description ]=20

> Do other folks notice the same thing with CM8738's.  Are these guys
> the Realtek of sound chips (cheap but buggy)?

Absolutely not. Cheap and fine. In contrast to more expensive Creative
cards, this one doesn't resample SPDIF-IO to 48kHz allowing bit identical
copies - which is the very basis feature of SPDIF. There's a long-standing
PR kern/16047 and the solution PR kern/16817 but you're problem sounds
completely different. You might give a try though and maybe make sure
the IRQ for the card isn't shared with something.

--=20
Christian

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