Public bug reported:

A customer of us has report that our application www.caniviz.com crashes
when working on a Ubunty 12.05 LTS machine...

After investigation, we found that every OpenGL applications build in 32
bits seems to crash X11 when running on a 64 bits host; crashing X11
means that the session of the user that has run the opengl application
is killed.

The next program can be found at
http://www.opengl.org/wiki/Tutorial:_OpenGL_3.0_Context_Creation_(GLX).
The build instructions are also in the link...

We have tries with Ubuntu 13.04 32 and 64bits and 12.05 32 and 64bits:
every time the 32 bits application is run in a 64 bits, there is the
crash...

Guilhem

** Affects: mesa (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: crash mesa x11

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which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1239861

Title:
  Basic OpenGL+X11 build on a 32 bits system craches X11 when ruing on a
  64 bits system

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