Unable to set devclass (devname: (null)

[M. Warner Losh]

In message: <a31046fc0903091420j359cfd77v17c651bb997fb55c at mail.gmail.com>
            pluknet <pluknet at gmail.com> writes:
: Hi.
: 
: Is it ok (and how much harmfull) to see this message?
: 
: driver bug: Unable to set devclass (devname: (null))

When do you see it?

Warner