From owner-freebsd-questions  Fri Apr  9 16: 8:24 1999
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Date: Fri, 9 Apr 1999 16:06:00 -0700 (PDT)
From: Doug White <dwhite@resnet.uoregon.edu>
To: Daniel Duerr <daniel@greyzone.com>
Cc: "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>,
	brandon@greyzone.com
Subject: Re: Problems with Adaptec 2940UW & Travan Drive
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On Thu, 8 Apr 1999, Daniel Duerr wrote:

> I cannot, for the life of me, get a 2940UW (PCI) to work with my
> Wangtek/Tecmar SCSI TR-4 Travan Tape Drive.
> 
> Every time I boot I get the following error messages:
> 
> Mar 31 17:06:00 www1 /kernel: ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 1
> int a irq 12 on pci0:17:0
> Mar 31 17:06:00 www1 /kernel: ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
> Mar 31 17:06:00 www1 /kernel: ahc0 waiting for scsi devices to settle
> Mar 31 17:06:00 www1 /kernel: (ahc0:6:0): "TECMAR TRAVAN NS8 P611" type 1
> remova
> ble SCSI 2
> Mar 31 17:06:00 www1 /kernel: st0(ahc0:6:0): Sequential-Access density code
> 0x45
> ,
> Mar 31 17:06:00 www1 /kernel: st0(ahc0:6:0): Target Busy
> Mar 31 17:06:00 www1 /kernel:
> Mar 31 17:06:00 www1 /kernel: st0(ahc0:6:0): Target Busy
> Mar 31 17:06:00 www1 /kernel:
> Mar 31 17:06:00 www1 /kernel: st0(ahc0:6:0): Target Busy
> Mar 31 17:06:00 www1 /kernel: drive empty
> 
> Every time I try to access the drive I get:
> 
> www1# tar t
> st0: not ready
> tar: can't open /dev/rst0 : Device busy
> 
> and /var/log/messages says:
> 
> Apr  1 20:53:52 www1 /kernel: st0(ahc0:6:0): NOT READY asc:3a,0 Medium not
> prese
> nt
> 
> There *IS* perfectly functional media present in the drive. In fact, this
> same drive used to work with FreeBSD 2.2.5 and a Adaptec "aic" 1520 adaptor.

Hm, smells like bad termination or a drive that hates wide negotioation.
Turn off wide nego. in the Adaptec BIOS for the tape drive.

Doug White                               
Internet:  dwhite@resnet.uoregon.edu    | FreeBSD: The Power to Serve
http://gladstone.uoregon.edu/~dwhite    | www.freebsd.org



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