trouble overriding DSDT

Nate Lawson nate at root.org
Sun Sep 19 23:20:39 PDT 2004


Sascha Klauder wrote:
> On Sun, Sep 19, 2004 at 02:07:58PM -0700, Nate Lawson wrote:
> 
>>SSDTs as well.  When you override the DSDT, you are loading a combined 
>>DSDT+SSDT table but the original SSDT is still in memory.  Thus you get 
>>the duplicated namespace values.  An easy way to test this is to comment 
>>out everything in your ASL from the Scope(...CPU0) to the end, 
> 
> 
> Yes, that did the trick! 
> 
> 
>>recompile, load it, then if it boots ok, do another acpidump and diff 
>>the two.  If I'm right, you'll find commenting out some part gets you 
>>the same ASL after booting with the custom one.
> 
> 
> Right, the ASLs are effectively the same, with the exception
> that the very changes I did in the first place now seem to be
> "backed out".  Is this the supposed behaviour when the DSDT
> is overridden (i.e. acpidump(8) always dumps the DSDT pro-
> vided by the BIOS (or something to that effect))?

Oh, sorry.  Yes, acpidump(8) will always pull the underlying "real" 
table from memory.

-Nate


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