I see the following in /var/log/messages when I try to change the brightness via the function keys:
May 9 19:15:04 pacifica kernel: [17253.865571] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000015) is beyond end of object (20090903/exoparg2-445) May 9 19:15:04 pacifica kernel: [17253.865587] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.865653] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.865722] ACPI Error: Evaluating _BCM failed (20090903/video-528) May 9 19:15:04 pacifica kernel: [17253.873415] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000015) is beyond end of object (20090903/exoparg2-445) May 9 19:15:04 pacifica kernel: [17253.873431] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.873499] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.873570] ACPI Error: Evaluating _BCM failed (20090903/video-528) May 9 19:15:04 pacifica kernel: [17253.875458] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000010) is beyond end of object (20090903/exoparg2-445) May 9 19:15:04 pacifica kernel: [17253.875475] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.875543] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.875614] ACPI Error: Evaluating _BCM failed (20090903/video-528) May 9 19:15:04 pacifica kernel: [17253.885591] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000010) is beyond end of object (20090903/exoparg2-445) May 9 19:15:04 pacifica kernel: [17253.885601] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.885639] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT May 9 19:15:04 pacifica kernel: [17253.885678] ACPI Error: Evaluating _BCM failed (20090903/video-528) Asus K50I, upgraded from 9.10 to 10.04. -- Cannot adjust brightness in Lucid Lynx https://bugs.launchpad.net/bugs/555122 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs