AIC7902 w/ seagate U320 drive issue on releng-4 (and current)

[The Hermit Hacker]

Just as an FYI, we just downloaded the 006 firmware this afternoon ...



On Sun, 27 Jul 2003, Justin T. Gibbs wrote:

> > FYI, i've solved this problem for me by moving to
> > firmware version 5 on the ST318453LW (U320 15KRPM 18GB)
> > seagate drive.
>
> This is exactly what I was going to suggest.  0004 is known
> bad in packetized operation.  Your test to drop the speed to
> 160MB/s was a good thought, but for the 790X controllers, we
> will still attempt to run with packetized protocol, assuming
> the device supports it, even when you reduce the negotiated
> rate.  You can disable packetized protocol in SCSI-Select which
> would probably have allowed you to limp along until you got
> updated firmware.
>
> Sadly, 0005 is not perfect.  I have seen situations where under
> hight tag load 0005 still drops trasactions.  I believe that
> Seagate has a fix for this, but it has yet to be put into
> release level firmware.  You might want to touch base with
> them in another month to see if they have released a follow
> on to 0005.
>
> --
> Justin
>
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Marc G. Fournier                   ICQ#7615664               IRC Nick: Scrappy
Systems Administrator @ hub.org
primary: scrappy at hub.org           secondary: scrappy@{freebsd|postgresql}.org