Screen corruption in OpenGL varicad widgets [kubuntu]

[Carlos Eduardo de Brito Novaes]

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)

[Carlos Eduardo de Brito Novaes (carlosnov)]

I can confirm that the new version of this software does not sufer from this problem anymore. The version that trigger the bug was 2011-1.10, the version 2012-1.02 works well.
Since this is the only software that suffers from this bug, maybe this could be closed.

Thanks

[penalvch (penalvch)]

Carlos Eduardo de Brito Novaes, this bug report is being closed due to your last comment https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/879846/comments/2 regarding this being fixed with an update. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status. Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find.