[ ... panics of -current on DS5000/133 ... ]

> After about 10 minutes sitting like that, it panicked and dropped into
> DDB.  The following is transcribed by hand.
>
> trap:  TLB miss (load or instr. fetch) in kernel mode
> status=0xff00, cause=0x80002008, epc=0x80001004, vaddr=0x7fff9204
> pid=1 cmd=init usp=0x7fffeca0 ksp=0xc9158f18
> Stopped in init at      0x80001004:     b       <_DYNAMIC_LINK+7fff9254>
> [
> addr:0x7fff9254]
>                 bdslot: 0x80001008:     b       <_DYNAMIC_LINK+7fff927c>
> [
> addr:0xffff927c]
>                bdslot: 0x8000100c:     nop

It's weird, quite alarming.  EPC points 0x8000.100x range.  Besides
explicit cache flush operations, the address range is not be used, and
even so, writng byte values for cache flush operation should never
fail like that.  Possible MIPS1 v.s., MIPS3 confusion here? 

Tohru Nishimura