Since the computer affected by the bug is still run under 12.04 I can't test the dev version.
Bug still exists in 12.04, "Linux [...] 3.2.0-51-generic #77-Ubuntu SMP Wed Jul 24 20:21:10 UTC 2013 i686 i686 i386 GNU/Linux" And workaround boot parameter "acpi_backlight=vendor" still works. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/566193 Title: luminosity screen on a laptop cannot be set Status in The Linux Kernel: Fix Released Status in “linux” package in Ubuntu: Incomplete Bug description: After upgrade from karmic to lucid, luminosity cannot be set on a laptop (Asus Pro 5JI). When pressing the luminosity keys, dmesg send the following output : 8<----------------------------------- [ 209.309032] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (00000005D) is beyond end of object (20090903/exoparg2-445) [ 209.309047] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT [ 209.309115] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT [ 209.309186] ACPI Error: Evaluating _BCM failed (20090903/video-528) [ 209.309192] ACPI: Failed to switch the brightness [ 209.314634] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000064) is beyond end of object (20090903/exoparg2-445) [ 209.314643] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT [ 209.314683] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT [ 209.314723] ACPI Error: Evaluating _BCM failed (20090903/video-528) [ 209.315943] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (00000005D) is beyond end of object (20090903/exoparg2-445) [ 209.315952] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT [ 209.315992] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT [ 209.316489] ACPI Error: Evaluating _BCM failed (20090903/video-528) [ 209.325119] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000064) is beyond end of object (20090903/exoparg2-445) [ 209.325128] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node f701bb28), AE_AML_BUFFER_LIMIT [ 209.325167] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node f7016cd8), AE_AML_BUFFER_LIMIT [ 209.325207] ACPI Error: Evaluating _BCM failed (20090903/video-528) 8<----------------------------------- Error persists even after a reboot. To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/566193/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
