Re: VS2000 + NetBSD

[Holm Tiffe <holm%freibergnet.de@localhost>]

Mark Pizzolato wrote:

>    Unless you guys have written a new boot ROM for the VS2000 that he's
>    trying to boot, as I recall, the native ROM could only boot from: 1) MFM
>    disk, 2) Ethernet, 3) TK50 tape which may have been connected via an early
>    SCSI or a real SCSI interface.  No native SCSI disk access from the ROM. 


Good Morning!

Do you had a good sleep?

>    Maybe there could be after boot access to a SCSI disk via a NetBSD driver,
>    but DEC never provided SCSI access in Ultrix or VMS via what might have
>    been to the SCSI connection for the tape.
>    - Mark

Not DEC but:

http://home.iae.nl/users/pb0aia/vax/vs-scsi.html

Have you read anything from that thread here before your Post?

Regards,

Holm

>    On Apr 13, 2018 1:03 AM, Anders Magnusson <ragge%ludd.ltu.se@localhost> wrote:
> 
>      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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