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Date:      Fri, 11 Jul 2003 12:36:28 -0600
From:      Scott Long <scottl@freebsd.org>
To:        Nate Lawson <nate@root.org>
Cc:        Felix Deichmann <fdei@fdei.de>
Subject:   Re: SCB trouble on SMP machine with AHC
Message-ID:  <3F0F03AC.5020607@freebsd.org>
In-Reply-To: <20030711112645.B8411@root.org>
References:  <200307111732.h6BHWHd3074973@siralan.org> <3F0EF9A8.10403@fdei.de> <20030711112645.B8411@root.org>

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Nate Lawson wrote:
> On Fri, 11 Jul 2003, Felix Deichmann wrote:
> 
>>Michael L. Squires wrote:
>>
>>>I'm wondering how old your 2940 card is, and what rev the SCSI BIOS
>>>is at.
>>
>>The SCSI BIOS is the (latest) one that Adaptec offers at their website.
>>What exactly is the problem I experience? Is it the disks or the CDROMs
>>or the SCSI card? I don't understand the SCB errors, I'm a NetBSD guy
>>normally (but there is no i386 SMP for NetBSD yet) :-)
> 
> 
> The error is extremely verbose but basically means the drive didn't
> respond to a command in time so the driver gave up and aborted the
> command.  There's not enough information to tell why this happened so
> perhaps one of the Adaptec people will respond.  My only problems with
> ahc(4) were related to either interrupt sharing or placing the card in a
> non-bus mastering PCI slot.  It appears your board is on irq 14.  Are you
> sure you don't have an ATA controller on board or somewhere that is also
> using that irq?
> 
> -Nate

The original poster mentioned that after the first error, everything 
worked fine.  This likely rules out most interrupt routing/sharing
problems.  Justin is on vacation for a few weeks, but he might have
more to add when he gets back.  In the mean time, I'll add this to my
TODO list.

Scott



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