Re: NetBSD 8.10 does not boot on 7043-140

[Ulrich Teichert <lists%ulrich-teichert.de@localhost>]

Hi,

success at last!! My 43p boots NetBSD 8.0:

----------------boot log start-----------------------------------
[del]
RS/6000 RS/6000 RS/6000 RS/6000 RS/6000 RS/6000 RS/6000 RS/6000 RS/6000 RS/6000

     memory      keyboard     network      scsi      speaker       ok
0 > boot net 
LOAD: Waiting 60 seconds for Spanning Tree
BOOTP R = 1 BOOTP S = 1  
FILE: sysinst_com0.fs
Load Addr=0x600000 Max Size=0x10000000 
Packet Count = 100 [del] Packet Count = 4000 FINAL Packet Count = 4020
Final File Size = 2057946 bytes.



>> NetBSD/prep BOOT, Revision 1.9 (Sun Jun 30 19:35:28 UTC 2019)

AFTER siop_init
XXXXX Trying to boot in()

Boot: 
Loading in()
No such device - Configured devices are:
 sd
in memory kernel
[del]
start=0x100000

Serial console init done
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
    2018 The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 8.0 (INSTALL) #27: Sun Jun 30 21:50:13 CEST 2019
	ut@valdese:/home/ut/soft/netbsd/prep/usr/src/sys/arch/prep/compile/obj/INSTALL
Model: IBM Model 7042/7043 (ED)
total memory = 512 MB
avail memory = 493 MB
prep_init
OpenPIC Version 1.1: Supports 4 CPUs and 16 interrupt sources.
platform: platform_quirk: -1
mainbus0 (root)
cpu0 at mainbus0: 604e (Revision 2.3), ID 0 (primary)
cpu0: HID0 0xc084<ICE,DCE,SGE,BHT>, powersave: 1
cpu0: 200.00 MHz
pnpbus0 at mainbus0
mcclock0 at pnpbus0: port 0x70-0x71, irq 8: mc146818 compatible time-of-day clock
nvram0 at pnpbus0: port 0x74-0x75 0x76
pci0 at mainbus0 bus 0: indirect configuration space access
pchb0 at pci0 dev 0 function 0
pchb0: vendor 1057 product 0002 (rev. 0x30)
pchb0: L2 cache: 1M, internally controlled write-back mode
pcib0 at pci0 dev 11 function 0: vendor 1014 product 000a (rev. 0x03)
pcn0 at pci0 dev 12 function 0: AMD PCnet-PCI Ethernet
pcn0: Am79c970A PCnet-PCI II rev 6, Ethernet address 00:06:29:2e:98:9d
pcn0: interrupting at irq 22
pcn0: 10base5, 10base5-FDX, 10baseT, 10baseT-FDX, auto, auto-FDX
vendor 1014 product 0046 (undefined, subclass 0x00) at pci0 dev 13 function 0 not configured
siop0 at pci0 dev 16 function 0: Symbios Logic 53c825a (fast wide scsi)
siop0: using on-board RAM
siop0: interrupting at irq 23
scsibus0 at siop0: 16 targets, 8 luns per target
vendor 1014 product 0054 (miscellaneous display, revision 0x01) at pci0 dev 18 function 0 not configured
ppb0 at pci0 dev 23 function 0: vendor 1014 product 0022 (rev. 0x01)
pci1 at ppb0 bus 1
isa0 at pcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com0: console
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
vmmask 30000000 schedmask 30000000 highmask 7c000000
scsibus0: waiting 2 seconds for devices to settle...
cd0 at scsibus0 target 3 lun 0: <IBM, CDRM00203\000\000\000\000\000!K, 8B08> cdrom removable
cd0: sync (100.00ns offset 8), 8-bit (10.000MB/s) transfers
sd0 at scsibus0 target 10 lun 0: <IBM, DCHS04U, 6363> disk fixed
sd0: 4303 MB, 6077 cyl, 9 head, 161 sec, 512 bytes/sect x 8813870 sectors
sd0: sync (100.00ns offset 8), 16-bit (20.000MB/s) transfers, tagged queueing
boot device: pcn0
root on md0a dumps on md0b
root file system type: ffs
kern.module.path=/stand/prep/8.0/modules
erase ^H, werase ^W, kill ^U, intr ^C, status ^T
Terminal type? [vt100] vt220
----------------boot log end-----------------------------------

And in the end it was *that* easy:

===================================================================
RCS file: /cvsroot/src/sys/arch/prep/stand/boot/boot.c,v
retrieving revision 1.20
diff -u -r1.20 boot.c
--- boot.c      8 Aug 2014 19:45:48 -0000       1.20
+++ boot.c      1 Jul 2019 17:27:57 -0000
@@ -46,8 +46,8 @@
 #include "sdvar.h"
 
 char *names[] = {
-       "sd(0,0,0)netbsd", "sd(0,0,0)onetbsd",
        "in()",
+       "sd(0,0,0)netbsd", "sd(0,0,0)onetbsd",
 };
 #define        NUMNAMES (sizeof (names) / sizeof (names[0]))
 
@@ -145,7 +145,8 @@
        /*
         * Initialize siop@pci0 dev 16 func 0
         */
-       siop_init(0, 16, 0);
+       //siop_init(0, 16, 0);
+        printf("AFTER siop_init\n");
 
        for (;;) {
                name = names[n++];

Turned out that the siop code was experimental in boot and just
commenting it out fixed it - at least for my 43p. Love to hear what
my simple patch does for other old prep boxes out there, I'll clean
it up and add some comments before properly submitting it, promise ;-)

HTH,
Uli
-- 
Dipl. Inf. Ulrich Teichert|e-mail: Ulrich.Teichert%gmx.de@localhost | Listening to:
Stormweg 24               | Syndrome 81: Le Condor De La Rade, Rixe:
24539 Neumuenster, Germany| Infatigables, The Bellrays: Bad Reaction