It looks like that was the problem :) I've set it to be activated after 2 hours of idle, didn't have the brightness problem anymore
-- Nvidia-glx and enemy territory brightness problem https://bugs.launchpad.net/bugs/113123 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs