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Date:      Wed, 12 Aug 1998 14:32:37 -0500 (CDT)
From:      "Andrew J. Doane" <adoane@ais.net>
To:        gibbs@narnia.plutotech.com (Justin T. Gibbs)
Cc:        adoane@ais.net, scsi@FreeBSD.ORG
Subject:   Re: Problems w/CAM (aha and bt issues)
Message-ID:  <199808121932.OAA02889@eagle.ais.net>
In-Reply-To: <199808121655.KAA09207@narnia.plutotech.com> from "Justin T. Gibbs" at "Aug 12, 98 10:55:22 am"

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> The CAM_VERSION referes to the version of the CAM specification the
> code is derived from.  I can't recal if I've already modified the value
> or not, but FreeBSD doesn't exactly match any CAM specification, so we
> shouldn't be using the standardized version number.

Alrighty.

> The 716 snapshot is different than the 712, but the patches are not
> cumulative.  They are designed (as it states in the README file) to
> be installed on top of a virgin -current or -stable.

Ah.  Well, i upgraded from 3.0-current w/just kernel sources to 
3.0CAM-19980712 with full sources.  I don't have a 3.0-current
usr usr.sbin etc source tree to use the patch against.  I'll try to
find just 3.0-current sources on the ftp site.  I'm still getting
comfortable with fbsd's package/cvs system coming from a
BSDI/linux/solaris background.

> This is almost assuradly a reporting problem, not a problem with the
> transfer rates in effect on the bus.  Can you send me the adapter 
> information that FreeBSD prints out at boot?  Can you also check the
> BIOS settings to ensure that they are at the max settings?

Maxed out.  Here is the probe:

bt1: <Buslogic Multimaster SCSI host adapter> rev 0x08 int a irq 19 on
pci0.19.0
bt1: BT-958D FW Rev. 5.06I Ultra Wide Diff SCSI Host Adapter, SCSI ID 7,
192 CCB
s
Freeing (NOT implemented) redirected ISA irq 5.

> Is this an SMP system?  There have been other reports of a similar
> problem and I'm not convinced that it is drive related.

Yes, dual PII 400 BX, not overclocked.

> Tagged queuing isn't enabled on this drive, most likely because the
> DQUE bit is set in the control mode page.

Ok, forgive my ignorance.  Does that mean the drive is reporting that
it is not tag queuing capable?

Thanks,
/ajd/
-- 
       _/_/    _/  _/_/_/_/         Andrew J. Doane
    _/    _/  _/  _/                VP, Access Div; Director, Network Ops
   _/_/_/_/  _/  _/_/_/_/           American Information Systems, Inc.
  _/    _/  _/        _/            Mail:adoane@ais.net, http://www.ais.net
 _/    _/  _/  _/_/_/_/             (312) 255-8500 Voice, (312) 255-8501 Fax
                                    For my PGP public key, email me with the
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