With a stepper machine, a "joint following error" indicates
misconfiguration. There are two common reasons:
* Requesting a higher step rate than can be delivered at the given
BASE_PERIOD
* Not specifying the required headroom for stepgen's maxvel and
maxaccel.
As for remote display, I frequently do remote display from one Linux
machine to another on a local network. I don't have the kinds of
problems you describe. If you get weird behavior, I'd tend to blame the
X server before the applications.
You didn't say whether you used stepconf to create your configuration
file or not. However, stepconf does have a related bug which you can
see described here
https://sourceforge.net/tracker/index.php?func=detail&aid=1954834&group_id=6744&atid=106744
If you used stepconf, then note the "max step rate" on the page "Basic
machine information", then enter a velocity that gives a "pulse rate at
max speed" lower than this value on each of the "Axis Configuration"
pages.
Jeff
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