I did a fresh reinstall of lubuntu 12.04 LTS (64bit was 64bit before) and i could reprpduce it with the default radeon opensource driver but not with the proprietary fglrx from the repository.
I did a fresh reinstall of lubuntu 12.04 LTS (64bit was 64bit before) and i could reprpduce it with the default radeon opensource driver but not with the proprietary fglrx from the repository.