Also, dmesg reports that thinkpad_acpi's backlight controls are not enabled, so it is certainly not controlling the backlight in the VT:
thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver thinkpad_acpi: Standard ACPI backlight interface available, not loading native one. -- Backlight controls on ThinkPad T510 no longer function when using proprietary drivers https://bugs.launchpad.net/bugs/562005 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
