<SOLVED?>Choppy Movement on Ubuntu 10.04LTS

[flowtron]

The usual background-data should be provided - once and concisely.

• CPU/architecture
  
• GFX card
  
• OS-version
  
• AC-version
  
• header-lines of stdout.txt - the "* Driver:"-lines are of special interest
  
• any errors seen
  

You may have to manually retrigger installing the nvidia drivers after an upgrade of the distribution - did you use EnvyNG to incorporate it into the system?