Panic on 1.5.1_ALPHA

[Tim Preston <tim%flibble.org@localhost>]

Just had this during a 'make build', kernel from 

NetBSD 1.5.1_ALPHA (AMY) #0: Fri Mar 16 22:09:50 GMT 2001

Userland approx the same date

================================================
sbicnextstate: aborting csr 00 asr 80
uvm_fault(0x1715e0, 0x0, 0, 0x1) -> 0x1
  type 8, code [mmu,,ssw]: 1250200
trap type 8, code = 1250200, v = 2f
pid = 5556, pc = 00120C42, ps = 2204, sfc = 1, dfc = 1
Registers:
             0        1        2        3        4        5        6        7
dreg: 00002704 00000032 00000000 00000002 00000000 00000000 00000077 00000006
areg: 00000000 0025C800 08C0E041 08C0E043 00000000 0025C800 02E5FD28 0DFFF1F4

Kernel stack (02E5FC08):
E5FC08: 001387C0 02E5FCCC 00000080 0013875A 00000008 01250200 0000002F 00000008
E5FC28: 02E5FC78 00138B74 00000008 01250200 0000002F 02E5FCCC 00000008 00000000
E5FC48: 00000000 00000000 01250200 0000002F 02E21144 08C0E043 00000000 0025C800
E5FC68: 02E5FC88 0002791C 00000001 02C09C20 02E5FCB8 00138EE6 00000008 01250200
E5FC88: 0000002F 02E5FCCC 02E21144 00000000 00000000 00000000 00000002 00000000
E5FCA8: 00000000 00000077 00000006 08C0E041 02E5FD28 00002056 00000008 01250200
E5FCC8: 0000002F 00002704 00000032 00000000 00000002 00000000 00000000 00000077
E5FCE8: 00000006 00000000 0025C800 08C0E041 08C0E043 00000000 0025C800 02E5FD28
E5FD08: 0DFFF1F4 00000000 22040012 0C424008 0000002F 01250200 00000000 08C0E041
E5FD28: 02E5FD64 001225AC 0025C800 08C0E041 08C0E043 00000000 00000000 00000002
E5FD48: 00000000 00000002 000015B4 08C0E041 08C0E043 00121F66 0025C800 02E5FD8C
E5FD68: 00121944 0025C800 00000000 00000080 00000000 0025C82C 02E5FFAC 00000000
E5FD88: 02E21144 02E5FD9C 001229BA 0025C800 00000008 02E5FDB4 00135C10 0025C800
E5FDA8: 00000000 00000001 02C09C24 02E5FDFC 00002352 00002200 00000001 00000000
E5FDC8: 02E21144 02C09C20 20000001 B42E0068 0007C000 00000000 00000001 00000002
E5FDE8: 02C09C24 0007C000 001A9DEF 02E5FFAC 02C09C20 02E5FF08 000FA0C0 02C09C24
panic: MMU fault
syncing disks... sd0(ahsc0:0:0): Sense Error Code 0x8
ahsc0: reselect IFY targ 7 not in nexus_list 0x25c8f8
panic: bad reselect in sbic

dumping to dev 4,1 offset 31319
dump 35 panic: sbic_scsicmd: busy

dumping to dev 4,1 offset 31319
dump device not ready


rebooting...
================================================

As you can see no crash dump and the machine doesn't have a sensible
cpnsole connection so no ddb =(

So far it's a one off, but does anyone know what the likely cause is? Is
it worth a PR?

Or is it just my A3000 showing her age =)


-- 
I am become Reginald, purveyor of fitted kitchens...