I'm building a little cnc router with EMC2 as the
> controller software running with Xylotek steppers and
> everything works fine but when i try to reboot or
> shutdown ubuntu it stops with a "segmentation fault"
> error. This only happens when i run EMC2, if i run any
> other program from ubuntu except EMC2 then it behaves
> normally.


I see the same problem. Never tried a reboot, but at a shutdown the system
may end up with a segmentation fault.
But this is only after the message that the system is halted (and after the
harddisks are parked / stop spinning) so I do not worry about this too much.

Note that this never happens while Ubuntu is up&running: I can start and
stop any program I like (including the EMC2 Axis interface), it only happens
at shutdown.
This also does not happen always, I got the feeling it's about 50% of all
shutdowns that does this.

Regards,

Rob
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