From: John Stone (johns_at_ks.uiuc.edu)
Date: Wed Jan 28 2009 - 09:25:52 CST

Hi,
  What video driver are you using for your Intel graphics chipset/card?
Are you using something that came with Ubuntu by default, or did you
download and install a driver provided by Intel? What output do you
get from this command:
  glxinfo | grep -i opengl

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Wed, Jan 28, 2009 at 07:19:35AM -0800, Katya Lyakhova wrote:
> Hello,
>
> I can not start VMD in graphic mode. It gives a massage:
>
>
> XRequest.143: BadRequest (invalid request code or no such operation) 0x17
> XRequest.143: BadRequest (invalid request code or no such operation) 0x17
> XRequest.143: BadRequest (invalid request code or no such operation) 0x17
> XRequest.143: BadRequest (invalid request code or no such operation) 0x17
> XRequest.143: BadRequest (invalid request code or no such operation) 0x17
> ERROR) A TrueColor visual is required, but not available.
> ERROR) The X server is not capable of displaying double-buffered,
> ERROR) RGB images with a Z buffer. Exiting ...
> Info) VMD for LINUX, version 1.8.6 (April 6, 2007)
> Info) Unable to create OpenGL window.
>
> I have ubuntu 8.10 version.
>
> Intel Video card:
>
> lspci -nn | grep VGA
>
> 00:02.0 VGA compatible controller [0300]: Intel Corporation 82Q35 Express Integrated Graphics Controller [8086:29b2] (rev 02)
>
>
> glxinfo gives
>
> name of display: :0.0
> X Error of failed request: BadRequest (invalid request code or no such operation)
> Major opcode of failed request: 143 (GLX)
> Minor opcode of failed request: 19 (X_GLXQueryServerString)
> Serial number of failed request: 10
> Current serial number in output stream: 10
>
>
> Could you please help me with my problem. I am quite a new linux user and I can not understand what is the problem and how to fix it.
> Thanks in advance,
>
> Kate
>
>
>

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078