*BSD News Article 96500


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From: "J.C. Archambeau" <n-xiv@worldnet.att.net>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: strange message from SCSI ahc driver at boot
Date: 29 May 1997 18:11:09 GMT
Organization: AT&T WorldNet Services
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Jose M. Alcaide <jose@we.lc.ehu.es> wrote:

: When I boot FreeBSD 2.2.1 on a Dell PowerEdge 2100, a strange
message
: appears when the ahc driver initializes the SCSI devices:
: 
: ..............
: ahc0 <Adaptec aic7880 Ultra SCSI host adapter> rev 0 int a irq 14 on
: pci0:18
: ahc0: aic7880 Wide Channel, SCSI Id=7, 16/255 SCBs
: ahc0 waiting for scsi devices to settle
: ahc0: target 0 Tagged Queuing Device
: (ahc0:0:0): "SEAGATE ST32171W 0484" type 0 fixed SCSI 2
: sd0(ahc0:0:0): Direct-Access 2047MB (4194057 512 byte sectors)
: ahc0:A:5: refuses WIDE negotiation.  Using 8bit transfers
: (ahc0:5:0): "NEC CD-ROM DRIVE:462 1.14" type 5 removable SCSI 2
: cd0(ahc0:5:0): CD-ROM can't get the size
: ...............
:
: [ Stuff deleted ]
:
: Any ideas?

Did you try disabling wide negotiation for SCSI ID 5 from SCSISelect? 
Some narrow devices complain if the adapter attempts wide negotiation
and you get strange results.  Your Seagate may be functioning in wide
mode and the error message is applicable to your CD-ROM drive. 
Another option would be to examine the mode parameters for SCSI ID 0
from EZ-SCSI or FreeBSD's SCSI utility; man scsi from your shell
prompt, and see how the device is configured. 

 JCA
--
n-xiv@worldnet.att.net