GENERIC #169, 170 and 176 all panic on my July '88 Sun3 when they try
to go multi-user.

The debbugger trace & ps show that it looks like getty was trying to
write to the keyboard/display.

GENERIC #176 sustains multi-user for hours if you disable the getty on
the console.

Mar 22 11:34:55 charon /netbsd: NetBSD 1.0A (GENERIC) #170: Thu Mar 16 22:07:35 EST 1995
Mar 22 11:34:55 charon /netbsd:     gwr@saturn2:/home/gwr/netbsd/src/sys/arch/sun3/compile/GENERIC
Mar 22 11:34:56 charon /netbsd: Model: Sun 3/60
Mar 22 11:34:57 charon /netbsd: real mem  = 12566528
Mar 22 11:34:57 charon /netbsd: avail mem = 10952704
Mar 22 11:34:58 charon /netbsd: using 76 buffers containing 622592 bytes of memory
Mar 22 11:34:59 charon /netbsd: mainbus0 (root)
Mar 22 11:34:59 charon /netbsd: obctl0 at mainbus0
Mar 22 11:34:59 charon /netbsd: idprom0 at obctl0 hostid 0x17004825
Mar 22 11:35:00 charon /netbsd: obmem0 at mainbus0
Mar 22 11:35:00 charon /netbsd: bwtwo0 at obmem0 addr 0xff000000 (1600x1280)
Mar 22 11:35:00 charon /netbsd: fb: using bwtwo0
Mar 22 11:35:01 charon /netbsd: obio0 at mainbus0
Mar 22 11:35:01 charon /netbsd: zs0 at obio0 addr 0x20000 level 6 softpri 2
Mar 22 11:35:02 charon /netbsd: zs1 at obio0 addr 0x0 level 6 softpri 2
Mar 22 11:35:03 charon /netbsd: eeprom0 at obio0 addr 0x40000
Mar 22 11:35:04 charon /netbsd: clock0 at obio0 addr 0x60000 level 5
Mar 22 11:35:04 charon /netbsd: le0 at obio0 addr 0x120000 level 3 hwaddr 08:00:20:00:ec:30
Mar 22 11:35:05 charon /netbsd: si0 at obio0 addr 0x140000 level 2
Mar 22 11:35:05 charon /netbsd: scsibus0 at si0
Mar 22 11:35:06 charon /netbsd: root on le0
Mar 22 11:35:07 charon /netbsd: swap on le0
Mar 22 11:35:07 charon /netbsd: dump on le0
Mar 22 11:35:10 charon /netbsd: nfs_boot: using network interface 'le0'
Mar 22 11:35:10 charon /netbsd: nfs_boot: client_addr=0xa010104
Mar 22 11:35:11 charon /netbsd: nfs_boot: server_addr=0xa010103
Mar 22 11:35:12 charon /netbsd: nfs_boot: hostname=charon
Mar 22 11:35:12 charon /netbsd: root on pluto:/export/charon/root
Mar 22 11:35:12 charon /netbsd: swap on pluto:/export/charon/swap
Mar 22 11:34:19 charon timed[53]: slave to pluto
Mar 22 11:34:27 charon savecore: no core dump (no dumpdev)
Mar 22 11:35:01 charon lpd[77]: restarted
Mar 22 11:35:21 charon init: kernel security level changed from 0 to 1
Mar 22 11:47:34 charon /netbsd: trap type=0, code=0x165, v=0xfe621e2
Mar 22 11:47:35 charon /netbsd: kernel: Bus error trap
Mar 22 11:47:35 charon /netbsd: pid = 93, pc = 0FEFC054, ps = 2704, sfc = 0001, dfc = 0001
Mar 22 11:47:36 charon /netbsd: Registers:
Mar 22 11:47:36 charon /netbsd:              0        1        2        3        4        5        6        7
Mar 22 11:47:37 charon /netbsd: dreg: 00000000 0000002E 00002004 FC003FFF 0000000A 000000C8 00000015 0000000B
Mar 22 11:47:37 charon /netbsd: areg: FFFFE362 FFFFE34E 0FFE3D28 0E523600 0FE4F2DE 0FE621E4 0FFE3C74 0DFFFDA0
Mar 22 11:47:37 charon /netbsd: 
Mar 22 11:47:38 charon /netbsd: Kernel stack (0FFE3B5C):
Mar 22 11:47:39 charon /netbsd: FE3B5C: 0E07966E 0FFE3BB0 00000080 00002004 FC003FFF 0000000A 000000C8 00000015
Mar 22 11:47:42 charon /netbsd: FE3B7C: 0000000B 0FFE3D28 0E523600 0FE4F2DE 0FE621E4 0E556E00 00000000 00000000
Mar 22 11:47:43 charon /netbsd: FE3B9C: 0FFE3C74 0E004874 00000000 00000165 0FE621E2 00000000 0000002E 00002004
Mar 22 11:47:43 charon /netbsd: FE3BBC: FC003FFF 0000000A 000000C8 00000015 0000000B FFFFE362 FFFFE34E 0FFE3D28
Mar 22 11:47:44 charon /netbsd: FE3BDC: 0E523600 0FE4F2DE 0FE621E4 0FFE3C74 0DFFFDA0 00000000 27040FEF C054B008
Mar 22 11:47:44 charon /netbsd: FE3BFC: 1EAC0165 E9A88194 0FE621E2 0FE621E2 0FEFC006 301D301D 0FEFC05A 0FEFC058
Mar 22 11:47:45 charon /netbsd: FE3C1C: 0FEFC056 0000FFFF E9A8FF0D 000F1487 00000000 0E556E00 80000000 FFFF8000
Mar 22 11:47:45 charon /netbsd: FE3C3C: 80200000 FFF00000 00000000 FFF00000 0FE621E4 00000000 00000000 0000007F
Mar 22 11:47:46 charon /netbsd: FE3C5C: 0FFE0000 00000018 0FFE3D14 0FFE3CD8 0FFE3C90 00000000 0FFE3C98 0FEF2FD4
Mar 22 11:47:46 charon /netbsd: FE3C7C: FFFFE36E 00000176 000003C6 0000000C FFFFE362 00000000 0FE621E2 0FFE3CBC
Mar 22 11:47:47 charon /netbsd: FE3C9C: 0FEF290E 0FE621E2 00000018 0000002B 0FFE3D29 0000008D 0FFE3D14 0E088A00
Mar 22 11:47:47 charon /netbsd: FE3CBC: 0FFE3CCC 0FEF2632 0FFE3CD7 00000001 0FFE3CDC 0FEF0F2C 0000008D 0000008D
Mar 22 11:47:48 charon /netbsd: FE3CDC: 0FFE3CEC 0FEF0EBE 0000008D 0000008D 0FFE3D08 0FEF3C92 0000008D 00000001
Mar 22 11:47:48 charon /netbsd: FE3CFC: 0E52D880 0E523640 000004E0 0FFE3D68 0E088A5E 0E0889FE 0FFE3D28 0000002B
Mar 22 11:47:49 charon /netbsd: FE3D1C: 0E523600 0FFE3DCF 0E523640 8D0A4E65 74425344 AFF3F5EE 33A02863 E8E1726F
Mar 22 11:47:49 charon /netbsd: FE3D3C: EEA9A028 636FEEF3 6F6C65A9 8D0A8D0A 6C6FE769 EE3AA000 0000002B 0000002B
Mar 22 11:47:50 charon /netbsd: panic: Bus error