ACER 5050-4697 ACPI crashes

Hello
I have a new laptop, an ACER 5050-4697 that sells "South of the
border" (from Mexico to
Argentina) relatively inexpensive...
It is new not only in the sense that I just got it, but also it is a
new model with new chips mostly unsupported under Linux.
you can see the log of my attempts at making Linux work on this box at
http://www.df.uba.ar/~solari/acer.html
(No shame, Acer can only get the 32bit Visa working on this AMD-64 machine and
the BlueTooth device is not supported, although it is there...)

I started with debian Etch 4.0 with kernel 2.6.18.4 and soon updated the kernel to the last stable release 2.6.22 (no patch).

With both kernels I have ACPI problems at booting time.
2.6.18.4
does not find the battery
hangs when installing the module ac.ko
removing the module ac-.ko it hangs later when launching the daemon hald working under acpi=off on boot line
2.6.22
hangs at boot time with last words
ACPI Exception (processor_core=0781): AE_NOT_FOUND, Processor Device is not present [20070126]
works with acpi=off or acpi=ht

you can find dmesg output at the link provided above.
ACPI tables downloaded and recompiled without errors or warnings (did I miss soemthing?)
You can find them in a tarball at:
http://www.df.uba.ar/~solari/ACER/acpidsl.tgz

I hope you can help me, thanks in any case
Hernan

PS: using Linux since version 0.99

Hernán Gustavo Solari, [email protected], http://www.df.uba.ar/~solari

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