Re: VS2000 + NetBSD

[Anders Magnusson <ragge%ludd.ltu.se@localhost>]

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