New netBSD user, needs help to analyze following trouble during
boot:

single user mode requested

Boot:

NetBSD 1.2.1 ...
Apple MAC IIci
 .
 .
 .
nubus at mainbus0
ae0 at nubus0: address 00:00:...00 type MacCon Nubus-A, 32k
ae0: lenght does not match next packet pointer
ae0: len 0000 nlen ff00 start 0c first 00 curr 38 next 00 stop 80
ae0: NIC memory corrupt - invalid packet len 65280
changing root device to sd0a
sd0: mode sense (4) returned nonsense ; using fictitious geometry
PRAM: 0x339587f6, macos_bootime: 0x339587e9

**** hangs here ****

Any ideas on what to do next ?
Thanks,

Jim Dibble