http://bugzilla.kernel.org/show_bug.cgi?id=9558





------- Comment #27 from [EMAIL PROTECTED]  2008-01-04 08:55 -------
Created an attachment (id=14281)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=14281&action=view)
dmesg with custom DSDT for debugging

Ok it took me some time but here is the result and the steps I used.


First, the DSDT you attached for me didn't compile with iasl DSDT.dsl:

DSDT-debug.dsl   793:                         Load (buf0, HNDL)
Error    4044 -                           Invalid type ^ 
([Integer|String|Buffer|Reference] found, Load operator requires
[FieldUnit|Region])

I tried to understand why, and it turned out it wasn't important at all, so I
eventually compiled with iasl -f DSDT.dsl


But as I'm curious, I extracted the SSDT you were storing in the buf0 buffer to
an AML file, then disassembled it. Then I realized I had attached the SSDT for
CPU2, and you were using it when loading the CPU1 SSDT in the DSDT...

I don't know if it's important or not, but I think it would have caused the
SSDT for CPU1 not to be loaded at all. Bah, I didn't want to take any risk, so
I basically did everything again like you had done (including the debug
messages), but with the SSDT of CPU1. If you need it for other tests, please
tell me and I'll attach it.

Also please note that I'm using openSUSE 10.3, and they include a more advanced
patch to load the custom DSDT (it supports SSDT too, I tried it but it didn't
work as there were no "ACPI Debug" messages in dmesg). So instead of the
"Looking for DSDT in initrd" message, it's "ACPI: successfully read 36644 bytes
from file /DSDT.aml" and "ACPI: Override [DSDT-F3J00001] from initramfs -
tainting kernel" (lines 104/105)

The interesting stuff starts at line 515 I think:
[ACPI Debug]  String: [0x14] "XPSS value :00000003"
[ACPI Debug]  String: [0x16] "Local0 index :00000000"
[ACPI Debug]  String: [0x16] "Local3 index :FFFFFFFD"


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