On Tue, Jun 23, 2009 at 12:09 PM, Edward Shao<laface.tw@xxxxxxxxx> wrote:
> Dear folk,
>
> Sorry, I does not familiar with ASL.
> I would like to ask if below ASL is valid or not.
>
> While (LLess (Local0, 0x0B))
> {
> Name (_T_0, Zero)
> Store (LCDD, _T_0)
> If (LEqual (_T_0, 0x01DFE430))
> {
> ...
> }
> Else
> {
> ...
> }
> }
>
> I got ACPI error like below.
> [ 37.457772] nssearch-0145 [12] ns_search_one_scope : Name [_T_0]
> (Integer) f7444780 found in scope [GBQC] f741cc00
> [ 37.457775] ACPI Error (dswload-0790): [_T_0] Namespace lookup
> failure, AE_ALREADY_EXISTS
> [ 37.457779] dsutils-0089 [08] ds_clear_implicit_retu: Removing
> reference on stale implicit return obj f772d348
> [ 37.457782] ACPI Exception (psloop-0227): AE_ALREADY_EXISTS, During
> name lookup/catalog [20081204]
It's because _T_0 is created multiple times in the while loop.
You can move "Name (_T_0, Zero)" outside of the while loop, as below,
Name (_T_0, Zero)
While (LLess (Local0, 0x0B))
{
Store (LCDD, _T_0)
.....
}
Lin Ming
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