http://bugzilla.kernel.org/show_bug.cgi?id=13967





--- Comment #10 from Jean Delvare <kh...@linux-fr.org>  2009-08-30 07:49:08 ---
(In reply to comment #7)
> I suppose lm_sensors team can add this workaround to the installation
> documentation, and all distros will just ship a patch that adds the boot
> parameter if a non-ACPI hwmon driver is required for the computer, and if a
> user has spontaneous shutdown syndrome they'll be told by tech support to
> disable the boot parameter and live without temperature monitoring and/or
> complain to manufacturer to get BIOS/linux driver for ACPI hwmon.

No, this will not happen. You seem to think that the evil ACPI folks have
broken lm-sensors and this makes the lm-sensors team and all Linux
distributions sad and angry. This is the other way around: the lm-sensors team
_asked_ the nice ACPI folks for the resource conflict check, under pressure by
Linux distributions, the support teams of which were tired of receiving an
increasing number of bugs about thermal management breakages caused by ACPI vs
native drivers conflicts.

So I am fairly certain that no distribution will make
acpi_enforce_resources=no, nor even lax, the default. If anything, some
distributions had set their default to strict even before the upstream kernel
did. We aim at system stability and reliability first. If this means no
hardware monitoring support on some systems, this is certainly sad and I
wouldn't want such a machine for myself, but this is still the way to go.

If this makes you unhappy because your system worked fine before, blame it on
your mainboard vendor who shipped a broken BIOS which requests I/O regions it
doesn't use.

Note that we have already documented the problem, and its workaround for users
who wish to apply it, at:
http://hansdegoede.livejournal.com/7932.html

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