camcontrol error

[Lowell Gilbert]

Axel.Gruner at suedfactoring.de writes:

> i have a problem with camcontrol (running FreeBSD 5.4-STABLE).
> Checking the defects on my drive will print out an error which i do not
> know:
> 
> #camcontrol defects da0 -G -f bfi
> camcontrol: Error returned from read defect data command
> 
> #camcontrol defects da0 -f phys -G
> camcontrol: Error returned from read defect data command
> 
> So, what could be the problem?

Probably just that the drive doesn't support the READ DEFECT DATA
command.  Try the "block" format, but some drives just don't support
it at all.