Le 20/07/2015 15:45, Lars Engels a écrit :
On Mon, Jul 20, 2015 at 02:34:01PM +0200, Juan Ramón Molina Menor wrote:
Le 20/07/2015 05:48, Kevin Oberman a écrit :
On Sun, Jul 19, 2015 at 2:54 AM, Juan Ramón Molina Menor
<lis...@club-internet.fr <mailto:lis...@club-internet.fr>> wrote:
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
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IIRC, fan control has not worked since the days of the T61. Newer BIOS
end EC don't seem to work. The "ACPI Exception: AE_BAD_ADDRESS" has
shown up on various systems for a while.It's reportedly harmless.
Thanks Kevin. Could you please give me a hint for silencing these
errors? They are making very hard to use the installer or live USB for
testing purposes. I guess the BIOS will take care of thermal and fan
control.
As a workaround you can exit the installer, change to another terminal,
e.g. "Alt+F2", and start "bsdinstall". (If you need to login, enter
"root" and no password).
Thanks Lars, I’m silly: I had not realized that the Fx keys in this
laptop have to be toggled-on with the Fn key, and somehow concluded that
the memstick installer supports only one terminal…
Nevertheless, I hope support for these laptops improve. I have not
tested yet several suggestions found on the internet to enable LCD
brightness adjustment or keyboard backlight, which with suspend/resume
do not work out of the box, neither the Intel 7260 Wireless chip and for
sure the Haswell GPU.
Unfortunately, I can only provide time for testing patches.
Best regards,
Juan
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