* Re: digital audio g4 failing at machine check
[not found] <20010301133724.18C50DB9D0@atlas.valhalla.net>
@ 2001-03-01 14:05 ` Benjamin Herrenschmidt
0 siblings, 0 replies; only message in thread
From: Benjamin Herrenschmidt @ 2001-03-01 14:05 UTC (permalink / raw)
To: Iain Sandoe, linuxppc-dev
>
>
>what is the "digital audio" hardware? - is it Apple Screamer/Awacs?
>
>or is the "audio" completely irrelevant to the problem?
>
>(we might have an interaction between Adaptec 2930 & sound showing on other
>much earlier PowerComputing models as well)
Those are the new G4s. They use yet a new audio chip which is on the I2S/
I2C bus (and also use various GPIOs for things like speaker mute). I
don't have much more details yet.
I don't think there is anything related between the sound chip and the
Adaptec card. Those old problems were possibly due to some bus bandwidth
problems & DBDMA bugs, I don't think KeyLargo is subject to such bugs.
Ben.
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[not found] <20010301133724.18C50DB9D0@atlas.valhalla.net>
2001-03-01 14:05 ` digital audio g4 failing at machine check Benjamin Herrenschmidt
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