Ok, to accelerate investigation, I installed ubuntu nvidia drivers, attached logs.
** Attachment added: "dmesg" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1363408/+attachment/4191343/+files/dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1363408 Title: nvidia proprietary drivers are broken To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1363408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
