This is a driver-specific thing, and your driver differs from the original reporter, so reopening this bug does little good for you (since you didn't provide any information we'd need to diagnose *your* issue). File a new bug report about your problem using 'ubuntu-bug xorg'.
This is a driver-specific thing, and your driver differs from the original reporter, so reopening this bug does little good for you (since you didn't provide any information we'd need to diagnose *your* issue). File a new bug report about your problem using 'ubuntu-bug xorg'.