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Date: Tue, 10 Mar 2009 20:54:39 +0900 (JST)
Message-Id: <20090310.205439.-1525215866.imp@bsdimp.com>
To: pluknet@gmail.com
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-current@FreeBSD.org
Subject: Re: Unable to set devclass (devname: (null)
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In message: <a31046fc0903091420j359cfd77v17c651bb997fb55c@mail.gmail.com>
            pluknet <pluknet@gmail.com> writes:
: Hi.
: 
: Is it ok (and how much harmfull) to see this message?
: 
: driver bug: Unable to set devclass (devname: (null))
: 
: P.S.
: This is introduced in subr_bus.c, v1.216
: -					PDEBUG(("Unable to set device class"));
: +					printf("driver bug: Unable to set devclass (devname: %s)\n",
: +					    (child ? device_get_name(child) :
: +						"no device"));
: 
: where PDEBUG was moved from BUS_DEBUG to general output.

I would say generally no.  when do you see it?

Warner