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Date:      Wed, 06 Dec 1995 10:06:21 -0800
From:      "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
To:        "Ulf Zimmermann" <ulf@z-code.ncd.com>
Cc:        current@freefall.freebsd.org
Subject:   Re: Call for Buslogic PCI SCSI adapter device IDs 
Message-ID:  <199512061806.KAA06195@freefall.freebsd.org>
In-Reply-To: Your message of "Wed, 06 Dec 1995 08:34:56 PST." <9512060834.ZM8697@zolaris.z-code.com> 

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>Hi Justin.
>
>Probe for Buslogic BT946C, Bios ver. 4.92E, Firmware 4.25J
>PCI:0:13 BusLogic Device=0x1040
>
>I have an older controller of this model, but should report the same.

Can you give me the full "boot -v" output from the buslogic?  I'd like
to see how it reports its I/O area mapping. (I don't have a PCI card to
test with).

>Beside this, what kind of debugging did you put into the Adaptec 7??? driver ?
>I can now go and look into the bugs for the 7850, as the system is setup. At
>the moment I have the strange feeling, it is a problem with the sequencer.

I'm almost positive its a sequencer issue.  Somehow, the card decides that
the QOUTCNT jumps from 0 to 45 or so.  Either we are overflowing the
QOUTFIFO, or some other action of the sequencer code causes a glitch
in that register.

I just haven't had much time to look into the problem and since I 
still do not have a PCI machine to validate any of my "guesses" at
a solution, there is even less incentive.  I'll try to look at the
code again later this week.

>
>Bye, Ulf.
>
>-- 
>Ulf Zimmermann, NCD Software, 101 Rowland Way, Suite 300, Novato, CA 94945
>phone: 415-899-7941, email: ulf@z-code.ncd.com, phone-home: 510-865-0204

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================



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