On Sun, 02 Oct 2016 09:34:52 -0700
Howard Howell <hlhowell@xxxxxxxxxxx> wrote:
> Hi, everyone,
> I use Pycam with my milling machine. The process I follow is:
> design with OpenSCAD, export as DXF or STL format.
> Open with PYCAM and adjust settings for feedrate, speed, bit
> size and so forth as required for the project and material. Load the
> DXF or STL file and run one of the tool paths.
>
> This has worked for years with no issues. Today, though,
> Pycam fails. No errors when the window closes suddenly withour
> finishing the job. So I started Pycam from the terminal windows and
> here are the error messages:
>
> Psyco is not available (performance will probably suffer slightly)
> Enabled 8 parallel local processes
> Font directory: /usr/share/pycam/fonts
> Loading task settings file: /home/lesh/CNC/PYCAM/plywood.conf
> Imported STL model: 839 vertices, 0 edges, 1444 triangles
> No previous undo state available - request ignored
> Imported STL model: 518 vertices, 0 edges, 800 triangles
I think these are just informational. I find this about psyco.
12 March 2012
Psyco is unmaintained and dead. Please look at PyPy for the
state-of-the-art in JIT compilers for Python.
[snip]
> radeon: Failed to deallocate virtual address for buffer:
> radeon: size : 4096 bytes
> radeon: va : 0x884000
> Segmentation fault (core dumped)
This seems to be your problem. Since radeon is a kernel module, it is
possible that it is a kernel issue. What happens if you boot a
previous kernel?
If a previous kernel works, you should open a ticket against the kernel
at https://bugzilla.redhat.com/ describing your problem with the radeon
driver.
If it doesn't, then something else has changed. That will take further
sleuthing to find.
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