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Re: VS2000 + NetBSD



Den 2018-04-13 kl. 09:54, skrev Lukas Kaminski:


On 13.04.2018 08:53, Holm Tiffe wrote:
Holm Tiffe wrote:
[..]

Ok, I think I'm giving up now.

.. since I have to move the Vax back to the owner tomorrow..
but I think the owner is still interested booting that thing
from the disk.

I've done several experiments now, begun to install 1.6.2 but the kernel
panics every time when one tries to copy some things over nfs on both
the netbooted VS2000 and the VS3100 M76.
Switched to 1.6.1, that's stable so far. I was able to create a
disklabel, make filesystems, copy base.tgz and etc.tgz to the disk.
Next I've installed the sdboot with installboot ...doesn't work at all.
Cleaned the first 16 sectors, reinstalled the label and used disklabel
-B this time.
The disk is now booting with the VS3100 M76, but not on the VS2000.

KA410-W V2.3

F...E...D...C...B...A...9...8...7...6...5?..4...3_..2_..1...


  ?  C  0080  0000.4001
??  5  0001  0000.0002

b dka2


-DKA2

NetBSD/vax boot [1.11 Wed Apr  9 05:16:34 UTC 2003] <<
Press any key to abort autoboot 0
open netbsd.vax: Unknown error: code 3149680
boot netbsd
open netbsd: Unknown error: code 3149680
netbsd: boot failed: Unknown error: code 3149680
boot netbsd.gz
open netbsd.gz: Unknown error: code 3149680
netbsd.gz: boot failed: Unknown error: code 3149680
boot netbsd.old
open netbsd.old: Unknown error: code 3149680
netbsd.old: boot failed: Unknown error: code 3149680
boot gennetbsd
open gennetbsd: Unknown error: code 3149680
gennetbsd: boot failed: Unknown error: code 3149680

It seems that the 2nd bootstrap is not seeing any files from the disk.

It is possible that the KA410 config in /usr/src/sys/arch/vax/boot/boot
simply doesn't contain the "possibility" to boot from SCSI and therefore
the bootstrap doesn't even try to find the filesystem with the kernel?
Maybe I have to dig out where this definition is?
Ragge you digged in the bootloader lately..??

Regards,

Holm



Now i remembering that i had troubles to boot from an MFM disk years ago. I blamed the disk or my disability to use the test50 (?) format tool properly, since it wasn't a DEC-MFM disk. But maybe our bootcode for the VS2000 has troubles booting from disk at all?

I planned to use a small 10MB MFM disk for the boot/kernel and a 1GB SCSI-flash-disk as root.
MFM disks may not work, since they are CHS addressed and the prom boot code
must know the exact geometry of the disk.

-- Ragge


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