As noted in the upstream bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=37922#c2
"This is a BIOS AML code bug.
Name (CMDC, 0x00)
Method (GTFB, 2, Serialized)
{
Multiply (CMDC, 0x38, Local0)
CreateField (SCBF, Local0, 0x38, CMDX)
Multiply (CMDC, 0x07, Local0)
CreateByteField (SCBF, Add (Local0, 0x01), A001)
Store (Arg0, CMDX)
Store (Arg1, A001)
Increment (CMDC)
}
> Increment (CMDC)
CMDC is incremented every time when GTFB called.
> Multiply (CMDC, 0x38, Local0)
> CreateField (SCBF, Local0, 0x38, CMDX)
CreateField fails when CMDC is incremented to 4, because it exceeds the buffer
size."
** Changed in: linux (Ubuntu)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/799518
Title:
ACPI Error: Field [CMDX] at 224 exceeds Buffer [SCBF] size 168 (bits)
(20110413/dsopcode-236)
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