I found that screen artifacts are here cuz there is no appropriate kernel firmware in kernel for Mobility RADEON 3400 HD ... with firmware r600_rlc.bin and r700_rlc.bin everything is working normal
-- Best Regards nAfterburner -- plymouth maybe related to KMS https://bugs.launchpad.net/bugs/543409 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