acpi: bad read from port 0x71:: FreeBSD 6.1 /boot fault (solution)

Gary Kline kline at sage.thought.org
Thu Sep 7 08:56:42 PDT 2006


On Wed, Sep 06, 2006 at 07:30:05PM -0700, Gary Kline wrote:
> 	Does anybody know what to tweak in /boot/* to stop 
> 	"bad read/write"  messages from/to the BIOS?  [At least 
> 	so fare as I can tell?
> 
> 	I've triied everything suggested on Google; rebooted, no-joy.
> 	The BIOS is reset (AFAICT) to their fail-safe defaults, but
> 	every 10 sec these errs get printed to stderr.
> 
> 	I'd like to know what ... and *why* with 6.1, just out of the
> 	blue!
> 
	
	I'm replying to my own post for anyone who runs into this
	problem and finds this in an archive.   The solution is to
	take a clue from /boot/loader.help and drop 
	hint.acpi.0.disable="1" 
	into /boot/device.hints. reboot, and errors should disappear.
	Why this began with FBSD 6.1? No idea.

-- 
   Gary Kline     kline at thought.org   www.thought.org     Public service Unix



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