beige g3 rage II xf4.0.1 and miBoot

[Benjamin Herrenschmidt]

>And that machine check exception is not recovered from (would that even
>be possible?), hence a plain old kernel panic.

I have code that make it oops instead. It's in the linuxppc_2_5 bk tree,
but I beleive it need some refinements. (Currently, it tries too hard to
oops instead of panic'ing).

Ben.

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