| If I try 'disk' instead of 'disk1' I get a different behavior:
| Rebooting with command: boot disk:b                                   
| Boot device: /sbus/espdma@e,8400000/esp@e,8800000/sd@0,0:b  File and args: 
| NetBSD IEEE 1275 Bootblock
| .
| Fast Data Access MMU Miss

`disk' is actually an alias for `disk0', so you are booting from a different
disk.  Do you have a miniroot on both of them?

Eduardo