I can also verify this on Thinkpad T23. It may be related to a recent ACPI update. There are issues when manipulating /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) -- cannot change brightness in Gutsy with thinkpad X61s https://bugs.launchpad.net/bugs/129913 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
