I can confirm this on a Thinkapd T23. It may be related to a recent ACPI update since it does not work correctly when trying to manipulate /proc/acpi/ibm/brightness directly.
|-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 2 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo up > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 0 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo up > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 1 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo up > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 2 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo up > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 1 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo level 7 > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 7 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo level 7 > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo level 6 > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 6 commands: up, down commands: level <level> (<level> is 0-7) |-/proc/acpi/ibm-| [EMAIL PROTECTED] echo level 7 > /proc/acpi/ibm/brightness |-/proc/acpi/ibm-| [EMAIL PROTECTED] cat /proc/acpi/ibm/brightness level: 1 commands: up, down commands: level <level> (<level> is 0-7) -- regression: gnome-power-manager does not automatically set screen backlight brightness when switching between AC and battery on Thinkpad X41 https://bugs.launchpad.net/bugs/135039 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
