It sounds like bad hardware - but you might want to try the
	syboot.fs image from 1.5_ALPHA2 on ftp.netbsd.org in case..

                David/absolute
			       -- www.netbsd.org: A pmap for every occasion --


On Wed, 13 Sep 2000 germano.cesari@seceti.it wrote:

> I am trying to install NetBSD 1.4.2 on a IPC with 16MB on bank0 (and 4Mb 
> on bank1, but had been removed, and still get the same msg), I dont have a 
> bootable CDROM, but the CD reader reads the cd after booting, so I am 
> trying to boot from floppy using the bootable images (and even tried the 
> "repaired" ones for sun4c archs), I tried several disks (boot-142.fs and 
> syboot-142.fs [even if I still have not understood the difference]) 
> created either with a 'dd if=boot-142.fs of=/dev/rfd0a' or using /dev/fd0a 
> as 'of', or even adding the 'bs=18k', but I ALWAYS get the SAME stuff no 
> matter what...(look at the log few lines below)
> 
> hmm..I tried everything but I still cant manage not to get the kernel
> fault...aw..I forgot to mention the cache problem...here is what I get...
> 
> ok test-cache
> 200c bad 242c bad 200c bad
> ok
> 
> May it have something to deal with the 'panic:kernel fault' message during 
> the floppy boot?
> And if so, what can I do? Shall I just throw the sparc away? (sigh) Can I 
> force a cache disable?
> 
> Ive tried almost everything (except swapping the floppy and avoid using 
> previously dos-formatted disks) but every kind of boot floppy stops at the 
> same place with exactly the same error..
> 
> >> NetBSD/sparc Secondary Boot, Revision 1.8
> >> (toddpw@threepio.toddpw.net, Fri Mar  3 17:51:31 PST 2000)
> open: netbsd: No such file or directory: trying netbsd.gz...
> Booting netbsd.gz @ 0x4000
> 1056768+1738008+146404+[62268+71473]=0x2f2b71
> [ preserving 133748 bytes of netbsd a.out symbol table ]
> console is ttya
> Copyright (c) 1996, 1997, 1998, 1999, 2000
>     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 1.4.2 (INSTALL) #2: Sat Mar 11 01:37:42 PST 2000
>     toddpw@threepio.toddpw.net:/usr/src/sys/arch/sparc/compile/INSTALL
> real mem = 20918272
> avail mem = 16822272
> using 128 buffers containing 524288 bytes of memory
> bootpath: /fd@0,0:b
> mainbus0 (root): Sun 4/40
> cpu0 at mainbus0: MB86900/1A or L64801 @ 25 MHz, WTL3170/2 FPU
> data fault: pc=0xf00c29f8 addr=0x8000020 ser=80<INVAL>
> panic: kernel fault
> Stopped in  at  _Debugger+0x4:  jmpl            [%o7 + 0x8], %g0
> 
> help!
> 
>