The problem went away after installing nvidia drivers 260.19.12 from x-swat ppa (https://edge.launchpad.net/~ubuntu-x-swat/+archive/x-updates). Sorry for being rude, but why does always such an obvious crap make its way into main release?
-- Blank screen after installing nvidia-current drivers https://bugs.launchpad.net/bugs/669088 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