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List:       freebsd-scsi
Subject:    Re: Troubles with Adaptec 7902 Ultra320 controller
From:       Nate Lawson <nate () root ! org>
Date:       2003-03-03 20:40:00
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On Fri, 28 Feb 2003, Steve Grandi wrote:
> On Tue, 25 Feb 2003, Steve Grandi wrote:
> 
> > I've been trying to bring up Stable on a Supermicro X5DPR-8G2+ motherboard
> > which features an integrated Adaptec AIC-7902 dual channel Ultra 320
> > controller.  Three disks are present, all on the A channel.
> >
> > 4.7-Release blows up badly on this hardware (starting with "ahd0: WARNING -
> > Failed chip reset!  Trying to initialize anyway).
> 
> To follow up my own post, I installed a 29160 in the system, installed
> 4.7-RELEASE, upgraded to STABLE, and then tried the on-board Ultra 320
> controller again.  Lo and behold, the hang during disk probing no longer
> occurs and the system comes up and runs fine. However, the "card state
> dump" on the unused B channel of the 7902 (ahd1) still occurs.  I wonder
> what would happen if there actually was a disk on the B channel?

My only guess is that this is a firmware problem that was fixed in 5.0.  
isp(4) on the 2[12]00 had (has?) a similar problem where the firmware
would never finish a probe when there was no drive attached.

-Nate


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