How can I help with thinkpad x220 issues?

Tue Jul 3 20:14:54 UTC 2012

Hi Erich,

On 07/03/2012 16:28, Erich Dollansky wrote:
> Hi,
> 
> On Tuesday, July 03, 2012 08:51:33 PM Ian Smith wrote:
>> On Tue, 3 Jul 2012 18:20:22 +0700, Erich Dollansky wrote:
>>  > On Tuesday, July 03, 2012 03:34:36 PM Natacha Porté wrote:
>>  > > > > $ sysctl dev.acpi_ibm
>>  > > > 
>>  > > > I do not have anything with IBM or Lenovo.
>>
>> Is this a Thinkpad model that shows no benefits from loading acpi_ibm?
> 
> I just loaded it to veryfy. There is no difference between loaded and not loaded. At least it does not do any harm. The sysctls also do not show up after being loaded.

I believe you've to patch acpi_ibm with the lenovo (LEN0068) identifier
and recompile - see http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/164538

Cheers,

Hannes