Re: ACPI mapping wrong memory

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

On Sat, Apr 21, 2012 at 10:47:21PM +0200, Manuel Bouyer wrote:
> acpi_md_OsMapMemory 0x100000128 len 727
> ACPI Error: Could not map memory at 0x0000000100000128, size 727 
> (20110623/exregion-197)
> ACPI Exception: AE_NO_MEMORY, Returned by Handler for [SystemMemory] 
> (20110623/evregion-522)
> ACPI Error: Method parse/execution failed [\_SB_.PCI0.SATA.PRID.P_D0._STA] 
> (Node 0xfffffe9012ef30a8), AE_NO_MEMORY (20110623/psparse-560)
> ACPI Error: Method execution failed [\_SB_.PCI0.SATA.PRID.P_D0._STA] (Node 
> 0xfffffe9012ef30a8), AE_NO_MEMORY (20110623/uteval-114)
> acpi_md_OsMapMemory 0x100000228 len 471

> Would this be a BIOS bug ?

Yes.

> Would there be a clean way to fix this ?

I don't know about a clean way, but I added the sanity check to the
function, as done also in Linux.

- Jukka.