I found this workaround: https://bugzilla.redhat.com/show_bug.cgi?id=512958#c23
sudo su echo 1 > /proc/acpi/video/C085/DOS echo 0 > /proc/acpi/video/C085/DOS ** Bug watch added: Red Hat Bugzilla #512958 https://bugzilla.redhat.com/show_bug.cgi?id=512958 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/89860 Title: /proc/acpi/button/lid/*/state always says "open" -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
