take a look at the moveoff component.  It is a 'jog while paused' work 
around.  (it actually works pretty darn good)

there are a few sample configs also

http://linuxcnc.org/docs/html/config/moveoff.html

sam

On 06/26/2016 05:36 PM, Danny Miller wrote:
> Recently discovered this:
>
> When paused, the axes can't be moved by the user.
>
> While that sounds like a safe protection at first, that's actually a
> critical problem.  It is not uncommon to have to "fix" something
> mid-run.  In a few cases I've seen the CNC router pop freed pieces out
> and they land on the target of a plunge.  When that happens, the bit
> plunged into it and you have an unbalanced chunk of wood free-spinning
> on the bit.
>
>
> The proper answer to that is to pause, stop the spindle, lift the Z
> enough to get the debris off the spindle, return to where the bit left
> off, restart spindle, and resume.  But, like I say, manual control of
> the axes is locked out and I can't fix it.
>
>
> Danny
>
>
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