Thanks for letting us know the result. I'm going to mark the thread as solved, for posterity or others who come here with the same problem. [by scottro]
Glad it's working. I'm going to mark the thread solved so that it may help others in the future. Thanks for letting us know how you fixed it. [by scottro]
After upgrading to Precise Pangolin (12.04), I've been getting garbled text every now and again. Although it's not a serious problem, it's a tad annoying and slows down my work.
The problem only seems to occur with text in text editors, text in nautilus and in the terminal.