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Date:      Fri, 11 Jul 2003 12:32:17 -0500 (EST)
From:      "Michael L. Squires" <mikes@siralan.org>
To:        Felix Deichmann <f.dei@web.de>
Cc:        FreeBSD SCSI <freebsd-scsi@freebsd.org>
Subject:   Re: SCB trouble on SMP machine with AHC
Message-ID:  <200307111732.h6BHWHd3074973@siralan.org>
In-Reply-To: <3F0EA09A.3020904@web.de> "from Felix Deichmann at Jul 11, 2003 01:33:46 pm"

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> Hi,
> 
> I've installed FreeBSD 5.1 on a Siemens PCD-5T SMP machine. With the
> GENERIC kernel, everything seemed to be OK, but now that I've compiled a
> SMP kernel, I get SCB error dumps on boot... But after that, the system
> runs stable without any error.

> ahc0: <Adaptec 2940 SCSI adapter> port 0xe000-0xe0ff mem
> 0x84000000-0x84000fff i
> rq 14 at device 14.0 on pci0
> aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs

I'm running 5.1-RELEASE with SMP on a SM P6DGH with the on-board
Adaptec 7896/97 U2W two-channel chip, and don't have SCSI problems.

I'm wondering how old your 2940 card is, and what rev the SCSI BIOS
is at.

I have a few older 2940U/UW's here, but not a 2940 narrow card.

Mike Squires



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