Intermittent re0 phy failure

[YongHyeon PYUN]

On Wed, Jan 18, 2012 at 05:48:47PM -0500, Michael Butler wrote:
> At random intervals, when re0 is without any significant load; idle for
> lengthy periods, I see ..
> 
> kernel: re0: PHY read failed
> last message repeated 4 times
> kernel: re0: link state changed to DOWN
> 
> Unplugging the cable and re-inserting is sufficient to restore
> functionality.
> 
> kernel is @ SVN r230276
> 
> Any ideas how to track this down?

Knowing which kind of controller you have would be more helpful.
Show me both re(4)/rgephy(4) related message from dmesg and
'devinfo -rv | grep rgephy' output.