Marc.Gutschner@Frankfurt.NetSurf.DE said:
>  Now, what magic did you apply to build a working kernel?

Don't know:-)
It might help to clean the kernel build dir and start from scratch -
perhaps there is an inconsistency between .h, .s and .c which
"make" didn't catch.

> BTW: A full set of PROM tests as suggested by Simon Burge revealed a
> memory module that seems to have died of old age

Perhaps you already tried this, but it helped in some cases to
pull a module out and put it back - might be dirty connectors.

best regards
Matthias