Adaptec Fast-Wide & IBM DHFS Drive

[Steven N. Hirsch]

On Sat, 27 Sep 1997, Daniel M. Eischen wrote:

> The driver will catch a message reject from the drive if it issues
> one.  In that case, tagged queueing will be disabled.  This is not
> happening in your case, though.  It might be that it's responding
> with target busy, or check condition.
> 

> > > Force a panic so that you can capture the first few messages?
> >
> > Ah, yes, but _where_?  I'm not familiar at all with the driver anymore.
> 
> You could do it upon the first time aic7xxx_reset or aic7xxx_abort
> were called.  Another place could be in aic7xxx_queue(), where you
> could force a panic after N commands are queued to your device (cmd->
> target).  The interrupt routine would be another place you could
> do it, probably after N BAD_STATUS received from your device.
> 
> Do you still have problems if you disable wide negotiation on
> your drive?

Hi Dan,

Yes, it still fails if wide negotiation is disabled.  I tried just about
every combination of drive and controller settings to no avail.

Steve