On 12/3/97 Josh Hope wrote:
>There's been a recurrent problem, at least for me, for almost a year now.
>It seems to be an incompatability between NetBSD SBC kernels greater than
>26 and my Performa 600.

  [snip]

>the newer SBC kernels all "stop booting" at this message:
>     sbc0 at obio0: options=1<PDMA>

  [snip]
>  
>Also, is anyone else out there running NetBSD on a Performa 600? The
>IIvx's don't seem to be affected (I don't think) by this problem. Is it
>only my computer? What would cause behaviour so weird like this?

I have installed NetBSD on a Performa 600 and experienced EXACTLY what 
you 
describe.  SBC kernel hangs, Generic kernel boots.

...Harlan