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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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COMSOL UBUNTU PROBLEM urgent

Posted May 20, 2011, 10:08 a.m. EDT Version 4.2 4 Replies

Puneet Manocha
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i am new to linux.. i have installed COMSOL 4.1 on ubuntu 10.4 but i am unable to run, i m getting this error please suggest detailed solution


The program 'SWT' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadDrawable (invalid Pixmap or Window parameter)'.
(Details: serial 2105 error_code 9 request_code 136 minor_code 3)
(Note to programmers: normally, X errors are reported asynchronously;
that is, you will receive the error a while after causing it.
To debug your program, run it with the --sync command line
option to change this behavior. You can then get a meaningful
backtrace from your debugger if you break on the gdk_x_error() function.)
Error:-8
4 Replies Last Post Jul 20, 2011, 1:01 a.m. EDT
Joonas Mäkinen
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Posted: 1 decade ago May 21, 2011, 9:33 a.m. EDT
I've had the same issue with Ubuntu 10.04 (64-bit). Switching COMSOL's rendering system from SWT to swing should fix the issue.

Step-by-step guide:
1. Open Ubuntu 10.04 terminal.
2. Write "cd .comsol" and press enter. Write "cd v41" and press enter.
4. Write "gedit comsol.prefs" and press enter. In gedit, insert following line:
graphics.rendering.2drend=swing
5. Save file and open COMSOL Multiphysics 4.1. It should work now.
I've had the same issue with Ubuntu 10.04 (64-bit). Switching COMSOL's rendering system from SWT to swing should fix the issue. Step-by-step guide: 1. Open Ubuntu 10.04 terminal. 2. Write "cd .comsol" and press enter. Write "cd v41" and press enter. 4. Write "gedit comsol.prefs" and press enter. In gedit, insert following line: graphics.rendering.2drend=swing 5. Save file and open COMSOL Multiphysics 4.1. It should work now.
Amir Ahmadzadegan
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Posted: 1 decade ago Jul 19, 2011, 6:44 p.m. EDT
Hi,

I have the same problem but the above instructions didn't solve the problem. I still get the same error message.
Hi, I have the same problem but the above instructions didn't solve the problem. I still get the same error message.
Jim Freels mechanical side of nuclear engineering, multiphysics analysis, COMSOL specialist
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Posted: 1 decade ago Jul 19, 2011, 10:09 p.m. EDT
You either have a hardware problem with your graphics card, or you do not have an adequate driver installed for the graphics card that may be ok.

First test by starting comsol with "comsol -3drend sw" which will bypass your graphics 3d capability and perform software rendering of the graphics. Slower, but it will always work.

if this works, than my theory is correct.

Next, you should get a good graphics card that understands opengl v1.5 or higher instructions. A relatively new nvidia card is suggested.

Then, install the latest nvidia driver (not the open source nv driver, but the commercial-grade binary-only driver straight from nvidia). You can get it from ubuntu archives, or install directly from nvidia.

Then try comsol again with "comsol -3drend opengl" and see if this fixes it.

Good luck !

You either have a hardware problem with your graphics card, or you do not have an adequate driver installed for the graphics card that may be ok. First test by starting comsol with "comsol -3drend sw" which will bypass your graphics 3d capability and perform software rendering of the graphics. Slower, but it will always work. if this works, than my theory is correct. Next, you should get a good graphics card that understands opengl v1.5 or higher instructions. A relatively new nvidia card is suggested. Then, install the latest nvidia driver (not the open source nv driver, but the commercial-grade binary-only driver straight from nvidia). You can get it from ubuntu archives, or install directly from nvidia. Then try comsol again with "comsol -3drend opengl" and see if this fixes it. Good luck !
Amir Ahmadzadegan
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Posted: 1 decade ago Jul 20, 2011, 1:01 a.m. EDT
You got it James! It works now...
You got it James! It works now...

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