kern/108202: atapicam error after upgrade to 6.2

[Neil Darlow]

The following reply was made to PR kern/108202; it has been noted by GNATS.

From: Neil Darlow <neil at darlow.co.uk>
To: bug-followup at FreeBSD.org,  neil at darlow.co.uk
Cc:  
Subject: Re: kern/108202: atapicam error after upgrade to 6.2
Date: Mon, 22 Jan 2007 11:49:43 +0000

 The errors associated with acd0 were from an attempt to determine if the
 problem was just SCSI related. I normally access the device as cd0.
 
 My bug submission includes many lines associated with cd0 i.e. those
 starting with (cd0:ata1:0:0:0).
 
 Looking further into the cronology of the problem, it appears my write
 to DVD completed *before* the first (cd0:ata1:0:0:0): READ(10). CDB: 28
 0 ff fd 0 0 0 0 1 0 error was reported.
 
 After a complete powerdown, and restart, of the system I was able to
 mount cd0 so it appears the hardware got into a spurious state. Whether
 that's the fault of poorly designed device firmware, or a buggy driver,
 frequent power-cycling on a system that is a server is not desirable.