Sorry, seems it was a local change - so my own faul. After fixing that,
I still end up in:

panic: TLB out of universe: ksp 0xc5fe9fd8 epc 0x80209e84 vaddr 0xbc9df000
Stopped in pid 71.1 (dev_mkdb) at       netbsd:cpu_Debugger+0x4:        jr      r
a
                bdslot: nop
db> bt                     
cpu_Debugger+4 (83fff000,b1100000,0,104) ra 8020a010 sz 0
panic+190 (83fff000,c5fe9fd8,80209e84,bc9df000) ra 802b55e8 sz 48
au_iointr+148 (0,0,80209e84,0) ra 7168 sz 80                     
PC 0x7168: not in kernel space              
0+7168 (0,0,80209e84,0) ra 0 sz 0
User-level: pid 71.1             

Martin