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 > > <[email protected] <mailto:[email protected]>> 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 > > _______________________________________________ > > [email protected] <mailto:[email protected]> mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-acpi > > To unsubscribe, send any mail to > > "[email protected] > > <mailto:[email protected]>" > > > > > > 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). > > > Brightness is finally working on most or all. Thermal should show up in > > hw.acpi and dev.cpu. > > Brightness levels are correctly shown (1-100) after loading the > acpi_video kernel module, but I cannot change them. Maybe it’s the > Haswell chip not responding. I’m going to try CURRENT. > > Thermal hw.acpi sysctls show bogus values, but dev.cpu works after > loading the coretemp kernel module. > > Best regards, > Juan > > > > > I don't have any experience on S series systems, only X and T, but I > > suspect the ACPI is similar. > > -- > > Kevin Oberman, Network Engineer, Retired > > E-mail: [email protected] <mailto:[email protected]> > > PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683 > _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-acpi > To unsubscribe, send any mail to "[email protected]"
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