OpenSCAD Crashes X11 at Startup

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OpenSCAD Crashes X11 at Startup

FredB
I just build OpenSCAD from sources.  It compiled without error, Although it crashes X11 immediately upon startup.


OpenSCAD Version: 2013.09.19
Compiler: GCC "4.7.2"
Compile date: Sep 19 2013
Boost version: 1_49
Eigen version: 3.1.0
CGAL version, kernels: 4.0, Epeck, Extended_cartesian<Gmpq>, Epeck
OpenCSG version: OpenCSG 1.3.2
Qt version: 4.8.2
MingW build: No

GLEW version: 1.7.0
OpenGL Version: 1.2 Mesa 8.0.5
GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
GL Vendor: Nouveau
RGBA(8888), depth(24), stencil(8)
GL_ARB_framebuffer_object: no
GL_EXT_framebuffer_object: yes
GL_EXT_packed_depth_stencil: yes
GL context creator: GLX
PNG generator: lodepng
GLX version: 1.4
OS info: Linux 3.2.0-4-686-pae #1 SMP Debian 3.2.46-1+deb7u1
Machine: i686

Test suite results:

linux_i686_mesa-dri-nv05_arvw_report.html

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Re: OpenSCAD Crashes X11 at Startup

Alan Cox
On Sat, 21 Sep 2013 14:02:36 -0700 (PDT)
FredB <[hidden email]> wrote:

> I just build OpenSCAD from sources.  It compiled without error, Although it
> crashes X11 immediately upon startup.
>
>
> OpenSCAD Version: 2013.09.19
> Compiler: GCC "4.7.2"
> Compile date: Sep 19 2013
> Boost version: 1_49
> Eigen version: 3.1.0
> CGAL version, kernels: 4.0, Epeck, Extended_cartesian<Gmpq>, Epeck
> OpenCSG version: OpenCSG 1.3.2
> Qt version: 4.8.2
> MingW build: No
>
> GLEW version: 1.7.0
> OpenGL Version: 1.2 Mesa 8.0.5
> GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
> GL Vendor: Nouveau
> RGBA(8888), depth(24), stencil(8)
> GL_ARB_framebuffer_object: no
> GL_EXT_framebuffer_object: yes
> GL_EXT_packed_depth_stencil: yes
> GL context creator: GLX
> PNG generator: lodepng
> GLX version: 1.4
> OS info: Linux 3.2.0-4-686-pae #1 SMP Debian 3.2.46-1+deb7u1
> Machine: i686
>
> Test suite results:
>
> linux_i686_mesa-dri-nv05_arvw_report.html
> <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>  

You should report this to your distribution. Any X server crash even if
triggered by an application is an X server bug. Having a nice
reproducable case like it sounds you have should be a big help.

Alan
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Re: OpenSCAD Crashes X11 at Startup

donbright
In reply to this post by FredB
FredB: Really interesting test results!  Thanks for the upload. I didn't even know you could upload the test files to the forum, that is cool.

Really interesting failures. Do things look that bad inside the GUI (for example, does square() produce a square without red borders?)

It looks like your test also is not using MCAD ... it should be under openscad/libraries/MCAD... although in theory the test shouldnt even build if MCAD is missing.

-DB





On Sat, Sep 21, 2013 at 4:02 PM, FredB <[hidden email]> wrote:
I just build OpenSCAD from sources.  It compiled without error, Although it
crashes X11 immediately upon startup.


OpenSCAD Version: 2013.09.19
Compiler: GCC "4.7.2"
Compile date: Sep 19 2013
Boost version: 1_49
Eigen version: 3.1.0
CGAL version, kernels: 4.0, Epeck, Extended_cartesian<Gmpq>, Epeck
OpenCSG version: OpenCSG 1.3.2
Qt version: 4.8.2
MingW build: No

GLEW version: 1.7.0
OpenGL Version: 1.2 Mesa 8.0.5
GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
GL Vendor: Nouveau
RGBA(8888), depth(24), stencil(8)
GL_ARB_framebuffer_object: no
GL_EXT_framebuffer_object: yes
GL_EXT_packed_depth_stencil: yes
GL context creator: GLX
PNG generator: lodepng
GLX version: 1.4
OS info: Linux 3.2.0-4-686-pae #1 SMP Debian 3.2.46-1+deb7u1
Machine: i686

Test suite results:

linux_i686_mesa-dri-nv05_arvw_report.html
<http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>





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Re: OpenSCAD Crashes X11 at Startup

donbright
In reply to this post by FredB
It's also really, really bizarre that your system doesnt have GL_ARB_framebuffer_object ... what kind of video card do you have, if you don't mind me asking? 


On Sat, Sep 21, 2013 at 4:02 PM, FredB <[hidden email]> wrote:
I just build OpenSCAD from sources.  It compiled without error, Although it
crashes X11 immediately upon startup.


OpenSCAD Version: 2013.09.19
Compiler: GCC "4.7.2"
Compile date: Sep 19 2013
Boost version: 1_49
Eigen version: 3.1.0
CGAL version, kernels: 4.0, Epeck, Extended_cartesian<Gmpq>, Epeck
OpenCSG version: OpenCSG 1.3.2
Qt version: 4.8.2
MingW build: No

GLEW version: 1.7.0
OpenGL Version: 1.2 Mesa 8.0.5
GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
GL Vendor: Nouveau
RGBA(8888), depth(24), stencil(8)
GL_ARB_framebuffer_object: no
GL_EXT_framebuffer_object: yes
GL_EXT_packed_depth_stencil: yes
GL context creator: GLX
PNG generator: lodepng
GLX version: 1.4
OS info: Linux 3.2.0-4-686-pae #1 SMP Debian 3.2.46-1+deb7u1
Machine: i686

Test suite results:

linux_i686_mesa-dri-nv05_arvw_report.html
<http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>





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Re: OpenSCAD Crashes X11 at Startup

FredB

--------------------------------------------
On Sat, 9/21/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Saturday, September 21, 2013, 8:12 PM
 
 It's also really, really
 bizarre that your system doesnt have
 GL_ARB_framebuffer_object ... what kind of video card do you
 have, if you don't mind me asking? 
 
 
 
 On Sat, Sep 21, 2013
 at 4:02 PM, FredB <[hidden email]>
 wrote:
 
 I just build OpenSCAD from sources.  It compiled without
 error, Although it
 
 crashes X11 immediately upon startup.
 
 
 
 
 
 OpenSCAD Version: 2013.09.19
 
 Compiler: GCC "4.7.2"
 
 Compile date: Sep 19 2013
 
 Boost version: 1_49
 
 Eigen version: 3.1.0
 
 CGAL version, kernels: 4.0, Epeck,
 Extended_cartesian<Gmpq>, Epeck
 
 OpenCSG version: OpenCSG 1.3.2
 
 Qt version: 4.8.2
 
 MingW build: No
 
 
 
 GLEW version: 1.7.0
 
 OpenGL Version: 1.2 Mesa 8.0.5
 
 GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
 
 GL Vendor: Nouveau
 
 RGBA(8888), depth(24), stencil(8)
 
 GL_ARB_framebuffer_object: no
 
 GL_EXT_framebuffer_object: yes
 
 GL_EXT_packed_depth_stencil: yes
 
 GL context creator: GLX
 
 PNG generator: lodepng
 
 GLX version: 1.4
 
 OS info: Linux 3.2.0-4-686-pae #1 SMP Debian
 3.2.46-1+deb7u1
 
 Machine: i686
 
 
 
 Test suite results:
 
 
 
 linux_i686_mesa-dri-nv05_arvw_report.html
 
 <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>
 
 
 
 
 
 
 
 
 
 
 
 --
 
 View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html
 
 Sent from the OpenSCAD mailing list archive at Nabble.com.
 
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Re: OpenSCAD Crashes X11 at Startup

FredB
In reply to this post by donbright
X11 crashes immediately after the OpenSCAD splash screen shows up, before the GUI even gets started.

The video card is an old one, as well as the machine.

VGA compatible controller: NVIDIA Corporation NV5 [RIVA TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])

--------------------------------------------
On Sat, 9/21/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Saturday, September 21, 2013, 8:12 PM
 
 It's also really, really
 bizarre that your system doesnt have
 GL_ARB_framebuffer_object ... what kind of video card do you
 have, if you don't mind me asking? 
 
 
 
 On Sat, Sep 21, 2013
 at 4:02 PM, FredB <[hidden email]>
 wrote:
 
 I just build OpenSCAD from sources.  It compiled without
 error, Although it
 
 crashes X11 immediately upon startup.
 
 
 
 
 
 OpenSCAD Version: 2013.09.19
 
 Compiler: GCC "4.7.2"
 
 Compile date: Sep 19 2013
 
 Boost version: 1_49
 
 Eigen version: 3.1.0
 
 CGAL version, kernels: 4.0, Epeck,
 Extended_cartesian<Gmpq>, Epeck
 
 OpenCSG version: OpenCSG 1.3.2
 
 Qt version: 4.8.2
 
 MingW build: No
 
 
 
 GLEW version: 1.7.0
 
 OpenGL Version: 1.2 Mesa 8.0.5
 
 GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
 
 GL Vendor: Nouveau
 
 RGBA(8888), depth(24), stencil(8)
 
 GL_ARB_framebuffer_object: no
 
 GL_EXT_framebuffer_object: yes
 
 GL_EXT_packed_depth_stencil: yes
 
 GL context creator: GLX
 
 PNG generator: lodepng
 
 GLX version: 1.4
 
 OS info: Linux 3.2.0-4-686-pae #1 SMP Debian
 3.2.46-1+deb7u1
 
 Machine: i686
 
 
 
 Test suite results:
 
 
 
 linux_i686_mesa-dri-nv05_arvw_report.html
 
 <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>
 
 
 
 
 
 
 
 
 
 
 
 --
 
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Re: OpenSCAD Crashes X11 at Startup

donbright
Ah. Then I guess my next question would be... are any other OpenGL (or better yet, Qt based OpenGL ) programs able to run on your machine? What about plain 'glxgears'? What about RapCAD? Id also be interested to know if command-line rendering works ( openscad examples/example001.scad -o test.png ). Also are there proprietary drivers for this card? It would be interesting to know if they worked.

One workaround would be to turn on 'software rendering', .. this is usually done by setting the shell environment variable LIBGL_ALWAYS_SOFTWARE=1 and then trying to run the program from the same shell. It would be slow... youd probably want to use the "Thrown Together" renderer (view) not OpenCSG and it would look funky.

-DB



On Sat, Sep 21, 2013 at 7:45 PM, Frederick Brown <[hidden email]> wrote:
X11 crashes immediately after the OpenSCAD splash screen shows up, before the GUI even gets started.

The video card is an old one, as well as the machine.

VGA compatible controller: NVIDIA Corporation NV5 [RIVA TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])

--------------------------------------------
On Sat, 9/21/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Saturday, September 21, 2013, 8:12 PM

 It's also really, really
 bizarre that your system doesnt have
 GL_ARB_framebuffer_object ... what kind of video card do you
 have, if you don't mind me asking? 



 On Sat, Sep 21, 2013
 at 4:02 PM, FredB <[hidden email]>
 wrote:

 I just build OpenSCAD from sources.  It compiled without
 error, Although it

 crashes X11 immediately upon startup.





 OpenSCAD Version: 2013.09.19

 Compiler: GCC "4.7.2"

 Compile date: Sep 19 2013

 Boost version: 1_49

 Eigen version: 3.1.0

 CGAL version, kernels: 4.0, Epeck,
 Extended_cartesian<Gmpq>, Epeck

 OpenCSG version: OpenCSG 1.3.2

 Qt version: 4.8.2

 MingW build: No



 GLEW version: 1.7.0

 OpenGL Version: 1.2 Mesa 8.0.5

 GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE

 GL Vendor: Nouveau

 RGBA(8888), depth(24), stencil(8)

 GL_ARB_framebuffer_object: no

 GL_EXT_framebuffer_object: yes

 GL_EXT_packed_depth_stencil: yes

 GL context creator: GLX

 PNG generator: lodepng

 GLX version: 1.4

 OS info: Linux 3.2.0-4-686-pae #1 SMP Debian
 3.2.46-1+deb7u1

 Machine: i686



 Test suite results:



 linux_i686_mesa-dri-nv05_arvw_report.html

 <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>











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 View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html

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 _______________________________________________

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 http://rocklinux.net/mailman/listinfo/openscad

 http://openscad.org - https://flattr.com/thing/121566




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Re: OpenSCAD Crashes X11 at Startup

FredB
In reply to this post by FredB
Well, glxgears works fine at at about 24.74 fps

The command line rendering flops to plain white image(see attached file).

I'll have to try rapcad.  Will that work for makerbot too?

That is why I am trying to get OpenSCAD to work for MakerBot.

F
.
--------------------------------------------
On Sun, 9/22/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Sunday, September 22, 2013, 9:29 AM
 
 Ah. Then I guess my
 next question would be... are any other OpenGL (or better
 yet, Qt based OpenGL ) programs able to run on your machine?
 What about plain 'glxgears'? What about RapCAD? Id
 also be interested to know if command-line rendering works (
 openscad examples/example001.scad -o test.png ). Also are
 there proprietary drivers for this card? It would be
 interesting to know if they worked.
 
 
 One workaround would be to turn on 'software
 rendering', .. this is usually done by setting the shell
 environment variable LIBGL_ALWAYS_SOFTWARE=1 and then trying
 to run the program from the same shell. It would be slow...
 youd probably want to use the "Thrown Together"
 renderer (view) not OpenCSG and it would look funky.
 
 
 -DB
 
 
 
 On Sat, Sep 21, 2013 at
 7:45 PM, Frederick Brown <[hidden email]>
 wrote:
 
 X11
 crashes immediately after the OpenSCAD splash screen shows
 up, before the GUI even gets started.
 
 
 
 The video card is an old one, as well as the machine.
 
 
 
 VGA compatible controller: NVIDIA Corporation NV5 [RIVA
 TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])
 
 
 
 --------------------------------------------
 
 On Sat, 9/21/13, Don Bright <[hidden email]>
 wrote:
 
 
 
  Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 
  To: [hidden email]
 
  Date: Saturday, September 21, 2013, 8:12 PM
 
 
 
  It's also
 really, really
 
  bizarre that your system doesnt have
 
  GL_ARB_framebuffer_object ... what kind of video card do
 you
 
  have, if you don't mind me asking? 
 
 
 
 
 
 
 
  On Sat, Sep 21, 2013
 
  at 4:02 PM, FredB <[hidden email]>
 
  wrote:
 
 
 
  I just build OpenSCAD from sources.  It compiled without
 
  error, Although it
 
 
 
  crashes X11 immediately upon startup.
 
 
 
 
 
 
 
 
 
 
 
  OpenSCAD Version: 2013.09.19
 
 
 
  Compiler: GCC "4.7.2"
 
 
 
  Compile date: Sep 19 2013
 
 
 
  Boost version: 1_49
 
 
 
  Eigen version: 3.1.0
 
 
 
  CGAL version, kernels: 4.0, Epeck,
 
  Extended_cartesian<Gmpq>, Epeck
 
 
 
  OpenCSG version: OpenCSG 1.3.2
 
 
 
  Qt version: 4.8.2
 
 
 
  MingW build: No
 
 
 
 
 
 
 
  GLEW version: 1.7.0
 
 
 
  OpenGL Version: 1.2 Mesa 8.0.5
 
 
 
  GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
 
 
 
  GL Vendor: Nouveau
 
 
 
  RGBA(8888), depth(24), stencil(8)
 
 
 
  GL_ARB_framebuffer_object: no
 
 
 
  GL_EXT_framebuffer_object: yes
 
 
 
  GL_EXT_packed_depth_stencil: yes
 
 
 
  GL context creator: GLX
 
 
 
  PNG generator: lodepng
 
 
 
  GLX version: 1.4
 
 
 
  OS info: Linux 3.2.0-4-686-pae #1 SMP Debian
 
  3.2.46-1+deb7u1
 
 
 
  Machine: i686
 
 
 
 
 
 
 
  Test suite results:
 
 
 
 
 
 
 
  linux_i686_mesa-dri-nv05_arvw_report.html
 
 
 
  <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html
 
 
 
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 Nabble.com.
 
 
 
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Re: OpenSCAD Crashes X11 at Startup

donbright
RapCAD uses very similar code to OpenSCAD... testing with RapCAD is a good way to figure out difficult bugs. We have fixed bugs before by someone (MichaelAtOz) comparing rapcad to openscad. Unfortunately fixing a bug like this is a very long and tedious process of elimination and testing and detective work. It may be easier for you to buy a different video card.

However. If glxgears works for you, then it may indicate we have a problem with something OpenSCAD is doing that GLX Gears is not doing. My first instinct would be OpenCSG since it uses some buffers and offscreen rendering contexts which seem to be perpetual sources of problems over the years.

I would very much be interested to know what happens if you try a CGAL render or 'thrown together' render, from the command line this can be done like so

          openscad examples/example001.scad --render -o test.png     #cgal

          openscad examples/example001.scad --preview=throwntogether -o test2.png    #thrown

The fact that your machine crashes immediately on starting openscad, however, presents a large problem as far as debugging goes... if i had such a machine i would have to insert a bunch of print statements into the code (openscad.cc for starters) to try to see where it is crashing, because if X itself crashes a normal debugging tool might not help. 

-DB




On Sun, Sep 22, 2013 at 10:36 AM, Frederick Brown <[hidden email]> wrote:
Well, glxgears works fine at at about 24.74 fps

The command line rendering flops to plain white image(see attached file).

I'll have to try rapcad.  Will that work for makerbot too?

That is why I am trying to get OpenSCAD to work for MakerBot.

F
.
--------------------------------------------
On Sun, 9/22/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Sunday, September 22, 2013, 9:29 AM

 Ah. Then I guess my
 next question would be... are any other OpenGL (or better
 yet, Qt based OpenGL ) programs able to run on your machine?
 What about plain 'glxgears'? What about RapCAD? Id
 also be interested to know if command-line rendering works (
 openscad examples/example001.scad -o test.png ). Also are
 there proprietary drivers for this card? It would be
 interesting to know if they worked.


 One workaround would be to turn on 'software
 rendering', .. this is usually done by setting the shell
 environment variable LIBGL_ALWAYS_SOFTWARE=1 and then trying
 to run the program from the same shell. It would be slow...
 youd probably want to use the "Thrown Together"
 renderer (view) not OpenCSG and it would look funky.


 -DB



 On Sat, Sep 21, 2013 at
 7:45 PM, Frederick Brown <[hidden email]>
 wrote:

 X11
 crashes immediately after the OpenSCAD splash screen shows
 up, before the GUI even gets started.



 The video card is an old one, as well as the machine.



 VGA compatible controller: NVIDIA Corporation NV5 [RIVA
 TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])



 --------------------------------------------

 On Sat, 9/21/13, Don Bright <[hidden email]>
 wrote:



  Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup

  To: [hidden email]

  Date: Saturday, September 21, 2013, 8:12 PM



  It's also
 really, really

  bizarre that your system doesnt have

  GL_ARB_framebuffer_object ... what kind of video card do
 you

  have, if you don't mind me asking? 







  On Sat, Sep 21, 2013

  at 4:02 PM, FredB <[hidden email]>

  wrote:



  I just build OpenSCAD from sources.  It compiled without

  error, Although it



  crashes X11 immediately upon startup.











  OpenSCAD Version: 2013.09.19



  Compiler: GCC "4.7.2"



  Compile date: Sep 19 2013



  Boost version: 1_49



  Eigen version: 3.1.0



  CGAL version, kernels: 4.0, Epeck,

  Extended_cartesian<Gmpq>, Epeck



  OpenCSG version: OpenCSG 1.3.2



  Qt version: 4.8.2



  MingW build: No







  GLEW version: 1.7.0



  OpenGL Version: 1.2 Mesa 8.0.5



  GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE



  GL Vendor: Nouveau



  RGBA(8888), depth(24), stencil(8)



  GL_ARB_framebuffer_object: no



  GL_EXT_framebuffer_object: yes



  GL_EXT_packed_depth_stencil: yes



  GL context creator: GLX



  PNG generator: lodepng



  GLX version: 1.4



  OS info: Linux 3.2.0-4-686-pae #1 SMP Debian

  3.2.46-1+deb7u1



  Machine: i686







  Test suite results:







  linux_i686_mesa-dri-nv05_arvw_report.html



  <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>























  --



  View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html



  Sent from the OpenSCAD mailing list archive at
 Nabble.com.



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Re: OpenSCAD Crashes X11 at Startup

Alan Cox
> The fact that your machine crashes immediately on starting openscad,
> however, presents a large problem as far as debugging goes... if i had such

No - it means its a bug in X not in OpenScad. Report the bug to the X
maintainers and let them fix it. There is nothing to debug in OpenSCAD

> a machine i would have to insert a bunch of print statements into the code
> (openscad.cc for starters) to try to see where it is crashing, because if X
> itself crashes a normal debugging tool might not help.

The X protocol is asynchronous. This won't help you a lot.

You need debugging traces on the X server and stops/traces on the DRI
entry points on the client side. You may well also need to be debugging
over a remote console if X is dying and possibly netconsole or similar if
its bringing the box down.

Nouveau has very active maintainers, and it needs fixing their end.

Alan
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Re: OpenSCAD Crashes X11 at Startup

donbright
In reply to this post by FredB
You know another interesting thing about your case Fred is that the cmdline version doesn't crash your X, but the QT gui version does. Now, the cmdline doesn't work properly... it just dumps a white screen... but at least it doesn't bring the system down.

Now on the back end of openscad, the cmdline output is using a different method to set up the OpenGL context than the method used by the QT gui. This is OffscreenView for cmdline, vs QGLWidget for Qt.

That would lead me to believe that perhaps there is some difference between the way that QT sets up its opengl rendering context, and the way that the cmdline setup in OffscreenView.cc / fbo.cc / etc sets up its rendering context. Maybe if we alter some QT options it will be less likely to crash machines.

Another inteserting thing to note is that there were recently some changes in the basic GL setup code, to support cmdline output of PNG. Perhaps there is a problem there. I wonder if maybe you tried an older release of OpenSCAD if it would work for you? The older versions of source code are available at http://files.openscad.org/

-DB


On Sun, Sep 22, 2013 at 10:36 AM, Frederick Brown <[hidden email]> wrote:
Well, glxgears works fine at at about 24.74 fps

The command line rendering flops to plain white image(see attached file).

I'll have to try rapcad.  Will that work for makerbot too?

That is why I am trying to get OpenSCAD to work for MakerBot.

F
.
--------------------------------------------
On Sun, 9/22/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Sunday, September 22, 2013, 9:29 AM

 Ah. Then I guess my
 next question would be... are any other OpenGL (or better
 yet, Qt based OpenGL ) programs able to run on your machine?
 What about plain 'glxgears'? What about RapCAD? Id
 also be interested to know if command-line rendering works (
 openscad examples/example001.scad -o test.png ). Also are
 there proprietary drivers for this card? It would be
 interesting to know if they worked.


 One workaround would be to turn on 'software
 rendering', .. this is usually done by setting the shell
 environment variable LIBGL_ALWAYS_SOFTWARE=1 and then trying
 to run the program from the same shell. It would be slow...
 youd probably want to use the "Thrown Together"
 renderer (view) not OpenCSG and it would look funky.


 -DB



 On Sat, Sep 21, 2013 at
 7:45 PM, Frederick Brown <[hidden email]>
 wrote:

 X11
 crashes immediately after the OpenSCAD splash screen shows
 up, before the GUI even gets started.



 The video card is an old one, as well as the machine.



 VGA compatible controller: NVIDIA Corporation NV5 [RIVA
 TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])



 --------------------------------------------

 On Sat, 9/21/13, Don Bright <[hidden email]>
 wrote:



  Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup

  To: [hidden email]

  Date: Saturday, September 21, 2013, 8:12 PM



  It's also
 really, really

  bizarre that your system doesnt have

  GL_ARB_framebuffer_object ... what kind of video card do
 you

  have, if you don't mind me asking? 







  On Sat, Sep 21, 2013

  at 4:02 PM, FredB <[hidden email]>

  wrote:



  I just build OpenSCAD from sources.  It compiled without

  error, Although it



  crashes X11 immediately upon startup.











  OpenSCAD Version: 2013.09.19



  Compiler: GCC "4.7.2"



  Compile date: Sep 19 2013



  Boost version: 1_49



  Eigen version: 3.1.0



  CGAL version, kernels: 4.0, Epeck,

  Extended_cartesian<Gmpq>, Epeck



  OpenCSG version: OpenCSG 1.3.2



  Qt version: 4.8.2



  MingW build: No







  GLEW version: 1.7.0



  OpenGL Version: 1.2 Mesa 8.0.5



  GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE



  GL Vendor: Nouveau



  RGBA(8888), depth(24), stencil(8)



  GL_ARB_framebuffer_object: no



  GL_EXT_framebuffer_object: yes



  GL_EXT_packed_depth_stencil: yes



  GL context creator: GLX



  PNG generator: lodepng



  GLX version: 1.4



  OS info: Linux 3.2.0-4-686-pae #1 SMP Debian

  3.2.46-1+deb7u1



  Machine: i686







  Test suite results:







  linux_i686_mesa-dri-nv05_arvw_report.html



  <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>























  --



  View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html



  Sent from the OpenSCAD mailing list archive at
 Nabble.com.



  _______________________________________________



  OpenSCAD mailing list



  [hidden email]



  http://rocklinux.net/mailman/listinfo/openscad



  http://openscad.org - https://flattr.com/thing/121566









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Re: OpenSCAD Crashes X11 at Startup

kintel
Administrator
Also note that OpenSCAD requires OpenGL 2.0 or newer, so with OpenGL 1.2, you'll have limited results, if any, with the GUI.

 -Marius

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Re: OpenSCAD Crashes X11 at Startup

FredB
In reply to this post by donbright
Hi Don,

Pardon me for taking so long to get back to you.  I got another computer,  on which OpenSCAD runs, although the computer has an Intel Corporation 82915G/GV/910GL Integrated Graphics Controller which is a "Cost effective integrated video solution, which as I far as I can find out lack the capability to handle Open GL 2.0.  So, on the new computer which is a P4, I only have OpenGL 1.4.

The result of this is OpenSCAD loads, although if I try to render with opencsg the program crashes.  Thown  Together works fine.  then compile and render works as well.

So, until I can get a video card that work with openGL 2.0,  I guess I'll have to stick with thrown together.  At least it works now on the new computer, and I've made some model.

fred


--------------------------------------------
On Mon, 9/23/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Monday, September 23, 2013, 7:02 PM
 
 You know another
 interesting thing about your case Fred is that the cmdline
 version doesn't crash your X, but the QT gui version
 does. Now, the cmdline doesn't work properly... it just
 dumps a white screen... but at least it doesn't bring
 the system down.
 
 
 Now on the back end of openscad, the cmdline
 output is using a different method to set up the OpenGL
 context than the method used by the QT gui. This is
 OffscreenView for cmdline, vs QGLWidget for Qt.
 
 
 That would lead me to believe that perhaps there is
 some difference between the way that QT sets up its opengl
 rendering context, and the way that the cmdline setup in
 OffscreenView.cc / fbo.cc / etc sets up its rendering
 context. Maybe if we alter some QT options it will be less
 likely to crash machines.
 
 
 Another inteserting thing to note is that there
 were recently some changes in the basic GL setup code, to
 support cmdline output of PNG. Perhaps there is a problem
 there. I wonder if maybe you tried an older release of
 OpenSCAD if it would work for you? The older versions of
 source code are available at http://files.openscad.org/
 
 
 -DB
 
 
 On Sun, Sep 22, 2013 at
 10:36 AM, Frederick Brown <[hidden email]>
 wrote:
 
 Well,
 glxgears works fine at at about 24.74 fps
 
 
 
 The command line rendering flops to plain white image(see
 attached file).
 
 
 
 I'll have to try rapcad.  Will that work for makerbot
 too?
 
 
 
 That is why I am trying to get OpenSCAD to work for
 MakerBot.
 
 
 
 F
 
 .
 
 --------------------------------------------
 
 On Sun, 9/22/13, Don Bright
 <[hidden email]>
 wrote:
 
 
 
  Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 
  To: [hidden email]
 
  Date: Sunday, September 22, 2013, 9:29 AM
 
 
 
  Ah. Then I guess my
 
  next question would be... are any other OpenGL (or better
 
  yet, Qt based OpenGL ) programs able to run on your
 machine?
 
  What about plain 'glxgears'? What about RapCAD?
 Id
 
  also be interested to know if command-line rendering works
 (
 
  openscad examples/example001.scad -o test.png ). Also are
 
  there proprietary drivers for this card? It would be
 
  interesting to know if they worked.
 
 
 
 
 
  One workaround would be to turn on 'software
 
  rendering', .. this is usually done by setting the
 shell
 
  environment variable LIBGL_ALWAYS_SOFTWARE=1 and then
 trying
 
  to run the program from the same shell. It would be
 slow...
 
  youd probably want to use the "Thrown Together"
 
  renderer (view) not OpenCSG and it would look funky.
 
 
 
 
 
  -DB
 
 
 
 
 
 
 
  On Sat, Sep 21, 2013 at
 
  7:45 PM, Frederick Brown <[hidden email]>
 
  wrote:
 
 
 
  X11
 
  crashes immediately after the OpenSCAD splash screen
 shows
 
  up, before the GUI even gets started.
 
 
 
 
 
 
 
  The video card is an old one, as well as the machine.
 
 
 
 
 
 
 
  VGA compatible controller: NVIDIA Corporation NV5 [RIVA
 
  TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])
 
 
 
 
 
 
 
  --------------------------------------------
 
 
 
  On Sat, 9/21/13, Don Bright <[hidden email]>
 
  wrote:
 
 
 
 
 
 
 
   Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 
 
 
   To: [hidden email]
 
 
 
   Date: Saturday, September 21, 2013, 8:12 PM
 
 
 
 
 
 
 
   It's also
 
  really, really
 
 
 
   bizarre that your system doesnt have
 
 
 
   GL_ARB_framebuffer_object ... what kind of video card
 do
 
  you
 
 
 
   have, if you don't mind me asking? 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   On Sat, Sep 21, 2013
 
 
 
   at 4:02 PM, FredB <[hidden email]>
 
 
 
   wrote:
 
 
 
 
 
 
 
   I just build OpenSCAD from sources.  It compiled
 without
 
 
 
   error, Although it
 
 
 
 
 
 
 
   crashes X11 immediately upon startup.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   OpenSCAD Version: 2013.09.19
 
 
 
 
 
 
 
   Compiler: GCC "4.7.2"
 
 
 
 
 
 
 
   Compile date: Sep 19 2013
 
 
 
 
 
 
 
   Boost version: 1_49
 
 
 
 
 
 
 
   Eigen version: 3.1.0
 
 
 
 
 
 
 
   CGAL version, kernels: 4.0, Epeck,
 
 
 
   Extended_cartesian<Gmpq>, Epeck
 
 
 
 
 
 
 
   OpenCSG version: OpenCSG 1.3.2
 
 
 
 
 
 
 
   Qt version: 4.8.2
 
 
 
 
 
 
 
   MingW build: No
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   GLEW version: 1.7.0
 
 
 
 
 
 
 
   OpenGL Version: 1.2 Mesa 8.0.5
 
 
 
 
 
 
 
   GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE
 
 
 
 
 
 
 
   GL Vendor: Nouveau
 
 
 
 
 
 
 
   RGBA(8888), depth(24), stencil(8)
 
 
 
 
 
 
 
   GL_ARB_framebuffer_object: no
 
 
 
 
 
 
 
   GL_EXT_framebuffer_object: yes
 
 
 
 
 
 
 
   GL_EXT_packed_depth_stencil: yes
 
 
 
 
 
 
 
   GL context creator: GLX
 
 
 
 
 
 
 
   PNG generator: lodepng
 
 
 
 
 
 
 
   GLX version: 1.4
 
 
 
 
 
 
 
   OS info: Linux 3.2.0-4-686-pae #1 SMP Debian
 
 
 
   3.2.46-1+deb7u1
 
 
 
 
 
 
 
   Machine: i686
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   Test suite results:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   linux_i686_mesa-dri-nv05_arvw_report.html
 
 
 
 
 
 
 
   <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   --
 
 
 
 
 
 
 
   View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html
 
 
 
 
 
 
 
   Sent from the OpenSCAD mailing list archive at
 
  Nabble.com.
 
 
 
 
 
 
 
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Re: OpenSCAD Crashes X11 at Startup

donbright
Hi Fred.

Thanks for the reports. Sorry to hear about your troubles. I'd really love to get OpenSCAD working on these older machines, but alas, without physical access its rather difficult to do anything useful. Maybe I'll poke around ebay and see if there are any deals on old boxes people have sitting around. 

-DB



On Wed, Sep 25, 2013 at 1:09 AM, Frederick Brown <[hidden email]> wrote:
Hi Don,

Pardon me for taking so long to get back to you.  I got another computer,  on which OpenSCAD runs, although the computer has an Intel Corporation 82915G/GV/910GL Integrated Graphics Controller which is a "Cost effective integrated video solution, which as I far as I can find out lack the capability to handle Open GL 2.0.  So, on the new computer which is a P4, I only have OpenGL 1.4.

The result of this is OpenSCAD loads, although if I try to render with opencsg the program crashes.  Thown  Together works fine.  then compile and render works as well.

So, until I can get a video card that work with openGL 2.0,  I guess I'll have to stick with thrown together.  At least it works now on the new computer, and I've made some model.

fred


--------------------------------------------
On Mon, 9/23/13, Don Bright <[hidden email]> wrote:

 Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup
 To: [hidden email]
 Date: Monday, September 23, 2013, 7:02 PM

 You know another
 interesting thing about your case Fred is that the cmdline
 version doesn't crash your X, but the QT gui version
 does. Now, the cmdline doesn't work properly... it just
 dumps a white screen... but at least it doesn't bring
 the system down.


 Now on the back end of openscad, the cmdline
 output is using a different method to set up the OpenGL
 context than the method used by the QT gui. This is
 OffscreenView for cmdline, vs QGLWidget for Qt.


 That would lead me to believe that perhaps there is
 some difference between the way that QT sets up its opengl
 rendering context, and the way that the cmdline setup in
 OffscreenView.cc / fbo.cc / etc sets up its rendering
 context. Maybe if we alter some QT options it will be less
 likely to crash machines.


 Another inteserting thing to note is that there
 were recently some changes in the basic GL setup code, to
 support cmdline output of PNG. Perhaps there is a problem
 there. I wonder if maybe you tried an older release of
 OpenSCAD if it would work for you? The older versions of
 source code are available at http://files.openscad.org/


 -DB


 On Sun, Sep 22, 2013 at
 10:36 AM, Frederick Brown <[hidden email]>
 wrote:

 Well,
 glxgears works fine at at about 24.74 fps



 The command line rendering flops to plain white image(see
 attached file).



 I'll have to try rapcad.  Will that work for makerbot
 too?



 That is why I am trying to get OpenSCAD to work for
 MakerBot.



 F

 .

 --------------------------------------------

 On Sun, 9/22/13, Don Bright
 <[hidden email]>
 wrote:



  Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup

  To: [hidden email]

  Date: Sunday, September 22, 2013, 9:29 AM



  Ah. Then I guess my

  next question would be... are any other OpenGL (or better

  yet, Qt based OpenGL ) programs able to run on your
 machine?

  What about plain 'glxgears'? What about RapCAD?
 Id

  also be interested to know if command-line rendering works
 (

  openscad examples/example001.scad -o test.png ). Also are

  there proprietary drivers for this card? It would be

  interesting to know if they worked.





  One workaround would be to turn on 'software

  rendering', .. this is usually done by setting the
 shell

  environment variable LIBGL_ALWAYS_SOFTWARE=1 and then
 trying

  to run the program from the same shell. It would be
 slow...

  youd probably want to use the "Thrown Together"

  renderer (view) not OpenCSG and it would look funky.





  -DB







  On Sat, Sep 21, 2013 at

  7:45 PM, Frederick Brown <[hidden email]>

  wrote:



  X11

  crashes immediately after the OpenSCAD splash screen
 shows

  up, before the GUI even gets started.







  The video card is an old one, as well as the machine.







  VGA compatible controller: NVIDIA Corporation NV5 [RIVA

  TNT2/TNT2 Pro] (rev 15) (prog-if 00 [VGA controller])







  --------------------------------------------



  On Sat, 9/21/13, Don Bright <[hidden email]>

  wrote:







   Subject: Re: [OpenSCAD] OpenSCAD Crashes X11 at Startup



   To: [hidden email]



   Date: Saturday, September 21, 2013, 8:12 PM







   It's also

  really, really



   bizarre that your system doesnt have



   GL_ARB_framebuffer_object ... what kind of video card
 do

  you



   have, if you don't mind me asking? 















   On Sat, Sep 21, 2013



   at 4:02 PM, FredB <[hidden email]>



   wrote:







   I just build OpenSCAD from sources.  It compiled
 without



   error, Although it







   crashes X11 immediately upon startup.























   OpenSCAD Version: 2013.09.19







   Compiler: GCC "4.7.2"







   Compile date: Sep 19 2013







   Boost version: 1_49







   Eigen version: 3.1.0







   CGAL version, kernels: 4.0, Epeck,



   Extended_cartesian<Gmpq>, Epeck







   OpenCSG version: OpenCSG 1.3.2







   Qt version: 4.8.2







   MingW build: No















   GLEW version: 1.7.0







   OpenGL Version: 1.2 Mesa 8.0.5







   GL Renderer: Mesa DRI nv05 x86/MMX+/3DNow!+/SSE







   GL Vendor: Nouveau







   RGBA(8888), depth(24), stencil(8)







   GL_ARB_framebuffer_object: no







   GL_EXT_framebuffer_object: yes







   GL_EXT_packed_depth_stencil: yes







   GL context creator: GLX







   PNG generator: lodepng







   GLX version: 1.4







   OS info: Linux 3.2.0-4-686-pae #1 SMP Debian



   3.2.46-1+deb7u1







   Machine: i686















   Test suite results:















   linux_i686_mesa-dri-nv05_arvw_report.html







   <http://forum.openscad.org/file/n5552/linux_i686_mesa-dri-nv05_arvw_report.html>















































   --







   View this message in context: http://forum.openscad.org/OpenSCAD-Crashes-X11-at-Startup-tp5552.html







   Sent from the OpenSCAD mailing list archive at

  Nabble.com.







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