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rodw live view. Hopefully Alfred turns out to be a whole lot of not much.
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what i found out in the meanwhile that at the time where the cyclic of do_homing() seem to be stopped, one of the synchronized joints is still in status "PK_PEAxisState_axHOMING_BACKING_OFF". but it allway seems to stop when the status changed to PK_PEAxisState_axHOME.

in that cas it's legit that one of them is still not homed, but for me is still unclear why the cyclic calls of do_homing() are being stopped.
the other miracle is why the flags of both joints are set to:
.homed = 1
.homing =0

edit 7 new findings:
i now tried to workaround the problemb changing the home Sequences so that the Y will get Home sequence 3. and X&X2 get home_sequence -2: that endet up that now the joint for Y doesnt get homed (i mean halui.joint.2.is-homed still shows 0)
   
that seems that it is not related to the synchronized homing sequence of joint.0 and joint.1, but more likely to the last sequence that is being homed.
and also logging showed that the cyclic calls of do_homing() (or all calls to home_comp) are being stopped right at the moment when the PulseEngine Status changed to 10 (= homed). 

as i'm quite sure that Linuxcnc motion or Halui know nothing about PE_AxisState, i think it is not the status change itself but something related to it, but i didnt see the debug message message. that do_homing() returned 1. so it is most likely something else

Yeh, I saw you had been there. Its still very normal here and Alfred has decided to be a day late.
There is some pretty rough weather to the south of us even though we are closer to the crossing point

M4MazakUser wrote:

Have you checked squareness of the part, using a micrometer measure the height in the 4 corners. It dosent look like a machine problem more like a clamping/squareness or misalignment issue. Unless you are loosing steps....

Indeed, today I checked the perpendicularity of the clamp and the truth is that it was not right, that is why there is this misalignment in the piece. I have aligned it and now it works perfectly.

Thanks!