Re: CMD MSCP SCSI problems? (again?)

[Johnny Billquist <bqt%softjar.se@localhost>]

On 2023-02-01 20:55, Anders Magnusson wrote:
> Den 2023-02-01 kl. 20:40, skrev Johnny Billquist:
> > On 2023-02-01 20:34, Dave McGuire wrote:
> > > On 2/1/23 14:10, Johnny Billquist wrote:
> > > > > >   I've just finished installing NetBSD 9.3 on a VAX 4000-705A 
> > > > > > using a CMD CQD-220 MSCP SCSI host adapter.  I put them install 
> > > > > > disk image on a ZuluSCSI board, it booted and ran the installer 
> > > > > > just fine, but when trying to boot the newly-created system disk 
> > > > > > (also implemented via the ZuluSCSI SSD) it fails to find the 
> > > > > > controller and thus cannot mount its filesystems.
> > > > > >
> > > > > >   I remember something like this from probably twenty years ago, 
> > > > > > but I thought it was long since fixed.
> > > > > >
> > > > > >   The disk subsystem works fine; I installed VMS on it this 
> > > > > > morning via the same mechanism and it's rock solid.
> > > > > >
> > > > > >   Does anyone have any suggestions?
> > > > > Do the kernel have the correct csr address for the MSCP card? Which 
> > > > > address do the card have?
> > > > > Can you post the dmesg output for both the install kernel and the 
> > > > > non-working kernel?
> > > >
> > > > Seems likely the hardware is configured right, if VMS is happy.
> > >
> > >    Yeah, I'm pretty sure it's configured correctly.
> > >
> > > > I have some vague memory that with enough memory, controllers didn't 
> > > > get detected. How much memory do the 4000-705A have?
> > >
> > >    It has 128MB.
> >
> > Yeah. That rings bells for me. I think with MSCP I noticed failures 
> > with more than 64MB. I think it is even visible using simh.
> How do you reproduce that?
> I just checked, no failure.

[...]

I was sure I saw it before, but when I tried now, it was fine...

What version were you running Dave? I have 9.0 stable, built in 2020 
here, which don't have a problem, but I am sure something earlier did 
not work.

  Johnny

--
Johnny Billquist                  || "I'm on a bus
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email: bqt%softjar.se@localhost             ||  Reading murder books
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