[ltp] T43p problem with ACPI and battery status

[Nir Tzachar]

>   ACPI-0213: *** Error: Method reached maximum reentrancy limit (255)
>   ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c18e0bc0), AE_AML_METHOD_LIMIT
> 

yes, there is even an open bug in the kernel bugzilla database.
i also sent a bug report several weeks back, and was told it is being 
inspected, but no one knows the reason (as of several weeks ago). 
using acpi_serialize or a non preemptible kernel solves the problem for 
now.

hope i helped.
cheers,

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nir.