Même problème d'impossibilité de réglage de la luminosité, avec un Asus Pro 5JI
Un appui sur une touche de réglage de luminosité fait cracher à dmesg la réponse :
[ 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)
Serait-ce un bug de 'ACPI ?