Re: issue with pycam

2016-10-13 Thread stan 
On Thu, 13 Oct 2016 12:08:06 -0700
Howard Howell  wrote:

> > > radeon: Failed to deallocate virtual address for buffer:
> > > radeon:size  : 4096 bytes
> > > radeon:va: 0x884000
> > > Segmentation fault (core dumped)  

> Ok, I tried the previous kernel, and had no luck.  

Then, it is likely not a kernel issue.  Was the error the same?

> I just remembered that I attempted to delete a package from my system
> and it started to erase things, but I stopped it.  This may have done
> the damage.  This was a real screw-up on my part, and so I don't think
> a bugzilla is the correct action.

Did you try re-installing the package(s) that you think caused the
problem?
dnf reinstall [package]
There should be a record of them in the dnf logs (/var/log/dnf*.log)
That would put everything back the way it was before the delete (minus
any configuration customization).

> However if the Kernel is the location, is the radeon package in a
> separate file?  If it is, what could I reinstall to recover that
> driver?

The radeon driver is built into all stock Fedora kernels, so it is
always there.  And a reboot always loads it fresh, so unless it was
damaged on the disk in both kernels, it is probably not the problem.
Is it possible you have a failing hard disk?  You should be seeing
warning messages if it is.

Is it possible that the video card itself is flaky?  Is anything else
failing occasionally?  Is it really dusty?

You could try a reinstall of pycam, in case it has been damaged.  It
hasn't changed in ages, so there is no newer version to worry about.
Is there any configuration that might have been accidentally changed?

Are there any errors showing up in the logs when you try the pycam
command and it fails? You can try  dmesg  or  journalctl -r  which shows
log messages in reverse time order.

Obviously, something changed, it's just figuring out what it is.
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Re: issue with pycam

2016-10-13 Thread Howard Howell 
On Sun, 2016-10-02 at 10:23 -0700, stan wrote:
> On Sun, 02 Oct 2016 09:34:52 -0700
> Howard Howell  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.

Ok, I tried the previous kernel, and had no luck.  

I just remembered that I attempted to delete a package from my system
and it started to erase things, but I stopped it.  This may have done
the damage.  

It had also erased the Repetier host package that I used to generate
the Gcodes for my K8200 printer.  I reinstalled Repetier host and that
works, but pycam still does not.  Nothing else seems to be affected.

However if the Kernel is the location, is the radeon package in a
separate file?  If it is, what could I reinstall to recover that
driver?

Regards,
Les H
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Re: issue with pycam

2016-10-13 Thread Howard Howell 
On Sun, 2016-10-02 at 10:23 -0700, stan wrote:
> On Sun, 02 Oct 2016 09:34:52 -0700
> Howard Howell  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.

Ok, I tried the previous kernel, and had no luck.  

I just remembered that I attempted to delete a package from my system
and it started to erase things, but I stopped it.  This may have done
the damage.  This was a real screw-up on my part, and so I don't think
a bugzilla is the correct action.

It had also erased the Repetier host package that I used to generate
the Gcodes for my K8200 printer.  I reinstalled Repetier host and that
works, but pycam still does not.  Nothing else seems to be affected.

However if the Kernel is the location, is the radeon package in a
separate file?  If it is, what could I reinstall to recover that
driver?

Regards,
Les H
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Re: issue with pycam

2016-10-02 Thread stan 
On Sun, 02 Oct 2016 09:34:52 -0700
Howard Howell  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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issue with pycam

2016-10-02 Thread Howard Howell 
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
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
Toolpath generation time: 6.927992
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x882000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x881000
radeon: Failed to deallocate virtual address for buffer:
radeon:size  : 4096 bytes
radeon:va: 0x884000
Segmentation fault (core dumped)

Here is my machine configuration:

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