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Date: Tue, 16 Sep 1997 23:31:47 -0500 (CDT)
From: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
To: aic7xxx@FreeBSD.ORG, tarasd@visiondb.com.au
Subject: Re: AHA-2940 Ultra/Ultra Wide
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> I've then downloaded 2.2-970914-RELENG thinking it would have a newer 
> (better ?) set of drivers for the aic7xxx stuff. I extracted just the 
> aic* files and directories, made a few mods to files.i386 and built a 
> new kernel with them, ie. primarily a 2.2.2-RELEASE kernel with the 
> aic stuff from 2.2-970914-RELENG.
> 
> The results are below, there seem to be less errors and no SCSI Bus 
> reset this time.
> 
> Would I now be correct in concluding that its probably not the 
> aic7xxx driver (et al.) but a more likely a SCSI termination problem 
> ?

If you're terminating the bus with the JAZ drive, I'd say
that could be a problem.

> Sep 16 10:16:08 www /kernel: ahc0 <Adaptec 2940 Ultra SCSI host 
> adapter> rev 0 int a irq 11 on pci0:10 Sep 16 10:16:08 www /kernel: 
> ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
> Sep 16 10:16:08 www /kernel: ahc0 waiting for scsi devices to settle
> Sep 16 10:16:08 www /kernel: (ahc0:2:0): "QUANTUM FIREBALL ST6.4S 
> 0F04" type 0 fixed SCSI 2
> Sep 16 10:16:08 www /kernel: sd0(ahc0:2:0): Direct-Access 6180MB 
> (12657717 512 byte sectors)
> Sep 16 10:16:08 www /kernel: (ahc0:6:0): "iomega jaz 1GB J^77" type 0 
> removable SCSI 2
> Sep 16 10:16:08 www /kernel: sd1(ahc0:6:0): Direct-Access 
> Sep 16 10:16:08 www /kernel: sd1(ahc0:6:0): ILLEGAL REQUEST asc:24,0 
> Invalid field in CDB
> Sep 16 10:16:08 www /kernel: sd1 could not mode sense (4). Using 
> ficticious geometry
> Sep 16 10:16:08 www /kernel: ahc0: board is not responding

What is wrong with the JAZ drive here?  It doesn't seem to be 
responding correctly.  Have you got wide negotiation enabled for
it?

Dan Eischen
deischen@iworks.InterWorks.org