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Date:      Wed, 12 May 1999 08:25:25 -0700 (PWT)
From:      Matthew Jacob <mjacob@feral.com>
To:        Gianmarco Giovannelli <gmarco@giovannelli.it>
Cc:        current@FreeBSD.ORG
Subject:   Re: Sometimes again SCSI don't finish to boot
Message-ID:  <Pine.LNX.4.04.9905120823450.22991-100000@feral.com>
In-Reply-To: <4.1.19990512164444.01268a20@194.184.65.4>

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> ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> irq 14 at device 6.0 on pci0
> ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs
> [...]
> Waiting 3 seconds for SCSI devices to settle
> sa0 at ahc0 bus 0 target 6 lun 0
> sa0: <TANDBERG TDC 3500 =01:> Removable Sequential Access SCSI-2 device 
> sa0: 3.300MB/s transfers
> changing root device to da0s1a
> da2 at ahc0 bus 0 target 2 lun 0
> da2: <IOMEGA ZIP 100 E.08> Removable Direct Access SCSI-2 device 
> da2: 3.300MB/s transfers
> da2: Attempt to query device size failed: NOT READY, Medium not present
> da0 at ahc0 bus 0 target 0 lun 0
> da0: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device 
> da0: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing
> Enabled
> da0: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)
> da1 at ahc0 bus 0 target 1 lun 0
> da1: <IBM DDRS-34560D DC1B> Fixed Direct Access SCSI-2 device 
> da1: 40.000MB/s transfers (20.000MHz, offset 15, 16bit), Tagged Queueing
> Enabled
> da1: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)

you've got two Ultra mode devices (disks) on the same bus as a Async mode
device (the tape drive). In theory it's possible to mix Ultra and
non-ultra devices and I have certainly done so, but you might want to try
your setup without the tape drive attached.

-matt




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