Yes, this is a duplicate of bug 14753. It seems that a lot of Asus laptops have this problem. Len, I think we should ping Asus to get the problem fixed in BIOS, rather than adding a lot of DMI quirks in Linux kernel. What do you think? Thanks, Rui > -----Original Message----- > From: Bin Guo [mailto:slashbin@xxxxxxxxx] > Sent: Thursday, January 21, 2010 10:45 AM > To: Zhang, Rui > Subject: About Bug 14753 ACPI Errors: Index beyond end of object, > parse/execution failed, _BCM failed ... > > Hi, > > I recently bought an Asus U50A laptop that's having the same problem > as bug 14753 at http://bugzilla.kernel.org/show_bug.cgi?id=14753 but > the product name is definitely different. I suspect several other > models (like UL50VT) would have similar problems. > > > I'm attaching the acpidump and deassembly of DSDT plus dmidecode. > Following are the common errors seen from dmesg (the only problem seems > to be lcd turning bright once in a while): > > [ 59.814547] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000010) > is beyond end of object (20090903/exoparg2-445) > [ 59.814563] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node ffff88013fa46140), > AE_AML_BUFFER_LIMIT > [ 59.814633] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node ffff88013fa40380), > AE_AML_BUFFER_LIMIT > [ 59.814705] ACPI Error: Evaluating _BCM failed (20090903/video-528) > [ 59.820650] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (000000015) > is beyond end of object (20090903/exoparg2-445) > [ 59.820664] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node ffff88013fa46140), > AE_AML_BUFFER_LIMIT > [ 59.820734] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node ffff88013fa40380), > AE_AML_BUFFER_LIMIT > [ 59.820806] ACPI Error: Evaluating _BCM failed (20090903/video-528) > [ 59.826937] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (00000001B) > is beyond end of object (20090903/exoparg2-445) > [ 59.826953] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node ffff88013fa46140), > AE_AML_BUFFER_LIMIT > [ 59.827025] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node ffff88013fa40380), > AE_AML_BUFFER_LIMIT > [ 59.827098] ACPI Error: Evaluating _BCM failed (20090903/video-528) > [ 61.954710] ACPI Exception: AE_AML_BUFFER_LIMIT, Index (00000001B) > is beyond end of object (20090903/exoparg2-445) > [ 61.954725] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.SBRG.EC0_.STBR] (Node ffff88013fa46140), > AE_AML_BUFFER_LIMIT > [ 61.954794] ACPI Error (psparse-0537): Method parse/execution > failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node ffff88013fa40380), > AE_AML_BUFFER_LIMIT > [ 61.954867] ACPI Error: Evaluating _BCM failed (20090903/video-528) > > [ 5340.144703] ACPI Warning: _BQC returned an invalid level > (20090903/video-631) [ 9890.028659] ACPI Exception: AE_AML_BUFFER_LIMIT, > Index (00000001B) is beyond end of object (20090903/exoparg2-445) > [ 9890.028675] ACPI Error (psparse-0537): Method parse/execution failed > [\_SB_.PCI0.SBRG.EC0_.STBR] (Node ffff88013fa46140), > AE_AML_BUFFER_LIMIT [ 9890.028746] ACPI Error (psparse-0537): Method > parse/execution failed [\_SB_.PCI0.VGA_.LCDD._BCM] (Node > ffff88013fa40380), AE_AML_BUFFER_LIMIT [ 9890.028820] ACPI Error: > Evaluating _BCM failed (20090903/video-528) > > Thanks, > -- > Bin -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
