Hi, 

I sent this note to the port-i386 list a couple of days ago.  I
haven't received any response so I thought that I would forward it to
netbsd-help.  

astrand@linum.cofc.edu (Allan E. Strand) writes:
> Hi all,
> 
> I wrote a note to the list a week or so ago mentioning that I could
> not get my adaptec AHA-2940 to work with 1.3.  I provided some
> information about boot messages (given in the quoted message below)
> and received some advice to check the settings of the adaptor BIOS.
> 
> Well I tried every combination of settings and none changed the
> results from my boot-up.  The board was still timing out.  As you may
> remember, however, the machine boots up and runs fine under 1.2.1 with
> the adaptec default settings and most (if not all, its been a few
> days) variant settings.
> 
> I then removed the CDROM and tape drive from the SCSI bus (both of
> which work under 1.2.1).  Also removed all other boards except an
> ethernet card, and an ATI SVGA card.  Now my system has 82M ram, a
> pentium 133, an adaptec 2940, and a micropolis 4421 drive at device 0.
> It still doesn't work under 1.3 (fine still under 1.2.1). However, the
> error messages I now get are new and different.
> 
> Here is a transcript:
> 
> ahc1 at pci at device 9 function 0              
> ahc1: interrupt at irq 11                       
> ahc1: aic7870 single channel SCSI Id=7, 16 SCBs 
> scsibus @ ahc1 channel0: 8 targets              
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> ahc1: ahc_intr - referenced scb not valid during scsiint 0x88 scb(255)
> etc...
> 
> Changing SCSI bios settings with this minimal setup does not seem to
> have an effect here either.  Clearly, I don't understand the SCSI
> interface very well, nevertheless, I wonder how the same configuration
> works so well under 1.2.1 and not at all under 1.3.  I'd like to use
> 1.3 if I can get it to work.
> 
> Any ideas??
> Cheers, 
> A.
> 
> "Chris G. Demetriou" <cgd@pa.dec.com> writes:
> > > ahc1 at pci at device 9 function 0
> > > ahc1: interrupt at irq 11
> > > ahc1: aic7870 single channel SCSI Id=7, 16 SCBs
> > > 
> > > scsibus @ ahc1 channel0: 8 targets              
> > > ahc1: board is not responding
> > > cmd fail
> > > 
> > > probe (ahc1:0.0): timed out in message out phase SCSISIGI == 0xb6
> > > probe (ahc1:0.0): asserted ATN-device reset in message buffer
> > 
> > What kind of devices are attached to that SCSI bus?  (In particular,
> > what's at unit 0?)
> > 
> > I was getting messages like that on my machine with an ahc, but using
> > the BIOS's configuration screen and disabling some of the options for
> > some of the targets (in particular, wide SCSI negotiation, which I'm
> > not sure _could_ be a problem for you 8-) fixed the problem.
> > 
> > 
> > 
> > chris
> > 
> 
> -- 
> Allan E. Strand                Internet:   stranda@cofc.edu
> Department of Biology          Phone:      (803) 953-8085
> College of Charleston          Fax:        (803) 953-5453
> Charleston, SC 29424

-- 
Allan E. Strand                Internet:   stranda@cofc.edu
Department of Biology          Phone:      (803) 953-8085
College of Charleston          Fax:        (803) 953-5453
Charleston, SC 29424