Installed mainline linux-image-4.8.0-040800rc5-generic, do not see the issue with that kernel.
** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.8-rc5 ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1621265 Title: lose monitor during boot up if I don't add 'nomodeset' to kernel options To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1621265/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs