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Sender: Alexander Motin <mavbsd@gmail.com>
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Date: Fri, 04 Jun 2010 19:28:10 +0300
From: Alexander Motin <mav@FreeBSD.org>
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To: hans.dampf@eml.cc, FreeBSD Stable <freebsd-stable@freebsd.org>
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Subject: Re: atapicam issue
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hans.dampf@eml.cc wrote:
> FreeBSD-stable clandestinely dropped support for my p-ata DVD drive some
> two or three weeks ago. The relevant "devcontrol list"-entry is still in
> its place, yet atapicam fails to create "/dev/cd0". 
> 
> # camcontrol devlist
> <HL-DT-ST DVD-RAM GH22NP20 1.02>   at scbus0 target 0 lun 0 (pass0)
> 
> dmesg reports:
> ------------------------
> (probe0:ata0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
> (probe0:ata0:0:0:0): CAM status: SCSI Status Error
> (probe0:ata0:0:0:0): SCSI status: Check Condition
> (probe0:ata0:0:0:0): SCSI sense: UNIT ATTENTION asc:29,0 (Power on,
> reset, or bus device reset occurred)
> (probe0:ata0:0:0:0): TEST UNIT READY. CDB: 0 0 0 0 0 0 
> (probe0:ata0:0:0:0): CAM status: SCSI Status Error
> (probe0:ata0:0:0:0): SCSI status: Check Condition
> (probe0:ata0:0:0:0): SCSI sense: NOT READY asc:3a,1 (Medium not present
> - tray closed)
> ---------------------------

This is not fatal errors. It is normal. Could you boot with verbose
messages and show full log?

-- 
Alexander Motin