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Date:      Fri, 28 Jan 2005 17:10:54 -0800
From:      Doug Hardie <bc979@lafn.org>
To:        f-questions List <freebsd-questions@freebsd.org>
Subject:   Possible SCSI address conflicts
Message-ID:  <92b10f1a12e5aee27644c45171b5bd99@lafn.org>

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FreeBSD 5.3-P5 with  device          atapicam in the kernel.

 From dmesg.boot:

Waiting 15 seconds for SCSI devices to settle
da1 at ahc0 bus 0 target 6 lun 0
da1: <MAXTOR ATLAS10K4_36WLS DFL0> Fixed Direct Access SCSI-3 device
da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing 
Enabled
da1: 35074MB (71833096 512 byte sectors: 255H 63S/T 4471C)
cd0 at ata1 bus 0 target 0 lun 0
cd0: <CDWRITER IDE5224 001H> Removable CD-ROM SCSI-0 device
cd0: 33.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present 
- tray c
losed
cd1 at ata1 bus 0 target 1 lun 0
cd1: <MATSHITA DVD-RAM LF-D310 A117> Removable CD-ROM SCSI-0 device
cd1: 33.000MB/s transfers
cd1: 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 8, 16bit), Tagged Queueing 
Enabled
da0: 4357MB (8925000 512 byte sectors: 255H 63S/T 555C)
Mounting root from ufs:/dev/da1s1a
dc0: failed to force tx and rx to idle state
dc0: failed to force tx and rx to idle state
dc0: failed to force tx and rx to idle state

It looks like there is a scsi conflict.  Both da0 and cd0 have the bus 
numbers.  I won't be back on site till next Friday to try the drive.  
Is this an issue?  Other than changing jumpers on the drives is there a 
way to resolve it if needed?



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