If this is reproducible on a supported release, it will help immensely if you filed a new report with Ubuntu by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information running the following from a terminal:
ubuntu-bug xorg
Cristian Aravena, Ubuntu Oneiric reached EOL on May 9, 2013. For more on this, please see https:/ /wiki.ubuntu. com/Releases .
If this is reproducible on a supported release, it will help immensely if you filed a new report with Ubuntu by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information running the following from a terminal:
ubuntu-bug xorg
Also, please feel free to subscribe me to it.
For more on why this is helpful, please see https:/ /wiki.ubuntu. com/ReportingBu gs.