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Subject: ACPI Exception AE_BAD_ADDRESS in Lenovo ThinkPad S440
To: freebsd-acpi@freebsd.org
From: Juan =?iso-8859-1?b?UmFt824=?= Molina Menor <listjm@club-internet.fr>
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Date: Sun, 19 Jul 2015 11:54:52 +0200
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Hello.

I’ve just got a Lenovo ThinkPad S440 and would like to test FreeBSD 
10.2-BETA2 on it. I’ve tried with the UEFI memstick image 
(FreeBSD-10.2-BETA2-amd64-uefi-mini-memstick.img.xz). Unfortunately, 
shortly after the installer starts, the screen fills with errors related 
to ACPI thermal zones:

ACPI Exception: AE_BAD_ADDRESS, Returned by Handler for 
[EmbeddedControl] (20150515/evregion-312) S (20150515/psparse-552)

I have tested some features of the acpi_ibm, some do not work: fan 
control, for example, but I’m not sure I’m doing it right and this is an 
issue for later.

I’ve created a PR with the information asked for in the ACPI chapter of 
the handbook:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=201678

Best regards,
Juan