From owner-aic7xxx  Mon Aug 11 03:08:44 1997
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Date: Mon, 11 Aug 1997 04:32:36 -0500 (CDT)
From: "Daniel M. Eischen" <deischen@iworks.InterWorks.org>
To: welbon@bga.com
Subject: Re: aic7xxx / AHA2940 worries... anyone?
Cc: aic7xxx@freebsd.org
Sender: owner-aic7xxx@freebsd.org
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> OK, I'll try that, 8 deep command queuing.  Though according to the docs,
> they can actually go upto 31 total commands deep total and they hum right
> along with the other devices.  Of course the Asus PCI-SC875 is only 12
> commands deep - the BusLogic BT-958, I don't know. 
>
> The drives have different firmware levels.  I recall, the firmware levels
> to be wa6e for six of them (that came from a distributor channel) and wa3e
> for the other three (that came directly from IBM).  That difference in
> firware levels has always annoyed me, I don't know if there is any way to
> upgrade the firmware on those drives.


Mine is at firmware rev WA3E.

> The probelm occurs for all kernels after 2.1.29 including 2.1.48.  I
> downloaded the 2.1.48 kernel sources tar file, I did not not apply a
> patch to an old kernel tree.

We know there are bugs in pre 2.1.48 kernels.

If you can get any messages out of the failure, send them.  What
happens during the failure?  Is there activity on the SCSI bus?

Dan Eischen
deischen@iworks.InterWorks.org