On Fri, Feb 05, 2010 at 11:58:36AM -0500, Dave Witbrodt wrote:
> Package: lm-sensors
> Severity: normal
>
>
> This looks like a consequence of a recent change in kernel policy
> regarding resource conflicts. According to the 'kernel-parameters.txt'
> file in the kernel documentation, the default value of the parameter
> "acpi_enforce_resources" has changed:
>
> $ grep -A 15 acpi_enforce_resources Documentation/kernel-parameters.txt
> acpi_enforce_resources= [ACPI]
> { strict | lax | no }
> Check for resource conflicts between native drivers
> and ACPI OperationRegions (SystemIO and SystemMemory
> only). IO ports and memory declared in ACPI might be
> used by the ACPI subsystem in arbitrary AML code and
> can interfere with legacy drivers.
> strict (default): access to resources claimed by ACPI
> is denied; legacy drivers trying to access reserved
> resources will fail to bind to device using them.
> lax: access to resources claimed by ACPI is allowed;
> legacy drivers trying to access reserved resources
> will bind successfully but a warning message is logged.
> no: ACPI OperationRegions are not marked as reserved,
> no further checks are performed.
>
> I recently resolved a very similar issue myself by adding
> "acpi_enforce_resources=lax" to my kernel boot line in GRUB.
Didier, does this fix the issue for you?
Cheers,
Moritz
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