On Mon, 3 Feb 2020 at 07:07, Thomas D. Dean <tomd...@wavecable.com> wrote:

> The hang was on initial linuxcnc startup.  No toolpath was loaded.

I can only think of a few possibilities. (I am not saying that there
are not many others, I am saying that my imagination is limited)

One obvious difference between running LinuxCNC and not running
LinuxCNC is starting the realtime subsystem.
To check this:
Does the LinuxCNC latency test run?
Does the RTAI-provided latency test run? (probably in
/usr/realtime/testsuite/kernel/ I am not at a LinuxCNC machine right
now to check)

It might be graphics, Axis uses OpenGL.
Does glxgears work?
Does LinuxCNC also crash of you use a non-GL GUI such as tklinuxcnc or
Touchy? (sim configs exist to test this)

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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