Just now I've found an already reported bug about this issue: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/565790. Sorry for not have found that before writing the report. Should i mark this as duplicate?
-- System freezes with white striped screen (ATI Radeon HD 4350) https://bugs.launchpad.net/bugs/567017 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
