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[Launchpad Bug Tracker <879846@xxxxxxxxxxxxxxxxxx>]

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Varicad is a CAD software (http://varicad.com/en/home/) with an affordable price that I use the free viewer and was spending some time with the trial. I could made it work perfectly (they provide debs for x32 or x64) on Natty  but on Oneiric Ocelot I got some screen corruptions on the color selection widgets (both from viewer and from the CAD tool itself). At first I tough that this could be some kind of setting (varicad use opengl for rendering)  and tried every configuration that I could find on GUIs from the program and from the system, also tried to change the version of the proprietary nvidia driver (from 173 to current), reboot, but I was not able to get it work.
Since the hardware is the same and the program runs very well on Natty, I think its a sort of BUG relative to Oneiric (maybe Xorg, maybe some strange setup on xorg.conf, maybe anything else). I had an image attached, on the left is a screenshot from Natty showing things as they should be and on the right the image from Oneiric.
Almost forgot to mention, I tried some other programs like blender and some games and cant notice anything wrong. The problem only happens on varicad, maybe some specific OpenGL command...
By now, I am totally clueless on what should I do to track down this behavior.

Thank you very much for any help.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: xorg 1:7.6+7ubuntu7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Sat Oct 22 08:21:21 2011
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug kubuntu oneiric resolution
-- 
Screen corruption in OpenGL varicad widgets
https://bugs.launchpad.net/bugs/879846
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