Yep, this solved the problem, thanx a lot. I've added this to kernel command line at /etc/default/grub.
-- [gm45] Screen shows corruption that blink once and for a fraction of second and then disappear https://bugs.launchpad.net/bugs/584309 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
