Kernel 2.6.28-4.10 fixes this problem for me in Jaunty. For the first time the brightness keys work correctly on my Asus B50A laptop.
However in /var/log/messages these messages appear when pressing brightness up/down keys: Jan 13 22:13:54 asus kernel: [ 181.876404] ACPI Error (dswstate-0097): Result stack is empty! State=ffff880128a22000 [20080926] Jan 13 22:13:54 asus kernel: [ 181.876417] ACPI Exception (dsutils-0645): AE_AML_NO_RETURN_VALUE, Missing or null operand [20080926] Jan 13 22:13:54 asus kernel: [ 181.876426] ACPI Exception (dsutils-0762): AE_AML_NO_RETURN_VALUE, While creating Arg 1 [20080926] Jan 13 22:13:54 asus kernel: [ 181.876437] ACPI Error (psparse-0524): Method parse/execution failed [\_SB_.PCI0.VGA_.UPBL] (Node ffff88013f81de60), AE_AML_NO_RETURN_VALUE Jan 13 22:13:54 asus kernel: [ 181.876588] ACPI Error (psparse-0524): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_._Q0F] (Node ffff88013f842440), AE_AML_NO_RETURN_VALUE -- The slider brightness Applet has value inverted after the last update (2.6.27-11) https://bugs.launchpad.net/bugs/311716 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
