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Message-ID: <a44ae5cd1001270443x31c1e540v9c86263e7ffeeb6c@mail.gmail.com>
Date: Wed, 27 Jan 2010 07:43:27 -0500
From: Miles Lane <miles.lane@...il.com>
To: Lin Ming <ming.m.lin@...el.com>
Cc: ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>, Len Brown <lenb@...nel.org>,
"rui.zhang" <rui.zhang@...el.com>
Subject: Re: 2.6.33-rc5-git2 -- ACPI Error: Attempt to CreateField of length
zero (20091214/dsopcode-529)
On Wed, Jan 27, 2010 at 3:04 AM, Lin Ming <ming.m.lin@...el.com> wrote:
>
>> From: Miles Lane <miles.lane@...il.com>
>> Date: Wed, Jan 27, 2010 at 2:54 PM
>> Subject: 2.6.33-rc5-git2 -- ACPI Error: Attempt to CreateField of
>> length zero (20091214/dsopcode-529)
>> To: ACPI Devel Maling List <linux-acpi@...r.kernel.org>, LKML
>> <linux-kernel@...r.kernel.org>, Len Brown <lenb@...nel.org>
>>
>>
>> I am not sure how much of this is due to a single cause. Please let
>> me know if you'd like me to send separate reports.
>>
>> ACPI: EC: GPE = 0x1b, I/O: command/status = 0x66, data = 0x62
>> ACPI Warning: Incorrect checksum in table [ATKG] - FA, should be 05
>> (20091214/tbutils-314)
>>
>> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>> ACPI Error: Attempt to CreateField of length zero (20091214/dsopcode-529)
>> ACPI Error (psparse-0537): Method parse/execution failed
>> [\_SB_.PCI0.IDE0.RATA] (Node ffff88013f81a9e0), AE_AML_OPERAND_VALUE
>> ACPI Error (psparse-0537): Method parse/execution failed
>> [\_SB_.PCI0.IDE0.PRT1._GTF] (Node ffff88013f81ab20),
>> AE_AML_OPERAND_VALUE
>> ata2.00: _GTF evaluation failed (AE 0x3004)
>> ata2.00: ATAPI: MATSHITADVD-RAM UJ892AS, 1.00, max UDMA/100, ATAPI AN
>> ACPI Error: Attempt to CreateField of length zero (20091214/dsopcode-529)
>> ACPI Error (psparse-0537): Method parse/execution failed
>> [\_SB_.PCI0.IDE0.RATA] (Node ffff88013f81a9e0), AE_AML_OPERAND_VALUE
>> ACPI Error (psparse-0537): Method parse/execution failed
>> [\_SB_.PCI0.IDE0.PRT1._GTF] (Node ffff88013f81ab20),
>> AE_AML_OPERAND_VALUE
>> ata2.00: _GTF evaluation failed (AE 0x3004)
>> ata2.00: configured for UDMA/100
>> scsi 1:0:0:0: CD-ROM MATSHITA DVD-RAM UJ892AS 1.00 PQ: 0 ANSI: 5
>>
>
> >From the DSDT,
>
> 2522 Method (RATA, 1, NotSerialized)
> 2523 {
> 2524 CreateByteField (Arg0, Zero, CMDN)
> 2525 Multiply (CMDN, 0x38, Local0)
> 2526 CreateField (Arg0, 0x08, Local0, RETB)
> 2527 Store (RETB, Debug)
> 2528 Return (RETB)
> 2529 }
>
> 2546 Name (ATP1, Buffer (0x32) {})
> 2547 Device (PRT1)
> 2548 {
> 2549 Name (_ADR, 0x0001FFFF)
> 2550 Method (_SDD, 1, NotSerialized)
> 2551 {
> 2552 Store (AGTF (Zero, Arg0), ATP1)
> 2553 }
> 2554
> 2555 Method (_GTF, 0, NotSerialized)
> 2556 {
> 2557 Return (RATA (ATP1))
> 2558 }
> 2559 }
>
> It seems that ATP1 is not set correctly in PRT1._SDD.
> Then ATP1 is passed into RATA and CMDN is created with value zero.
> That causes the error message.
This is the current BIOS for the ASUS UL50VT. Is this something that gets
fixed by a BIOS update? Do you have a way to pass this information on to
ASUS? Is there something the kernel code can do to work around the
problem, or is that already happening?
Thanks,
Miles
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