Connection to HDMI Mini when display is off is slow with ARD 3.x

Anybody notice, well I don't know how you couldn't, that you connect to an HDMI Mini with the display off that the CPU is at 100% and you can't do anything until you turn on the display?  It is easy to reproduce.  I have my Mini hooked to a Yamaha A2000 stereo and when it is off any connection is so slow it is impossible to do anything until the stereo is turned on.  Turn it off and it will go back to 100% cpu usage.  I've seen so many posts about the 100% cpu usage I'm wondering if this is the root cause of issues.
Dan

I found out if I unplug the HDMI cable then I can remotely connect.  I'm wondering if the stereo I have the mini hooked up to is causing the issue or the mini is the issue.  I'll see what setup options I have on the stereo.

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