Thinkpad T510: LAN? CPU-C3?

[Jan Henrik Sylvester]

On 03/29/2010 20:58, Jan Henrik Sylvester wrote:
> On 03/29/2010 18:22, Rui Paulo wrote:
>>
>> On 29 Mar 2010, at 15:56, Rui Paulo wrote:
>>
>>> On 29 Mar 2010, at 11:21, Jan Henrik Sylvester wrote:
>>>
>>>> I would like to use FreeBSD on a Thinkpad T510. I installed 8-STABLE
>>>> (since iwn got 6000 support after 8.0-RELEASE).
>>>>
>>>> *** Not working: (Any ideas?)
>>>>
>>>> - LAN: The Intel ethernet card (class=0x020000 card=0x215317aa
>>>> chip=0x10ea8086 rev=0x06 hdr=0x00) is not working.
>>>
>>> This seems an Intel card. Which Linux driver do you use to get this
>>> working?
>>
>> Actually, this seems to be supported by if_em(4).
>
> I guess it should be E1000_DEV_ID_PCH_M_HV_LM, which is in e1000_hw.h
> and there is "case E1000_DEV_ID_PCH_M_HV_LM" in e1000_api.c, but nothing
> in if_em.c for 8-STABLE. Revision 200243 has brought it to CURRENT on
> Dec-8, but that one did not get MFCed to 8-STABLE. I wonder if that was
> on purpose. (I put jfv@ on Cc, who did the commit.)
>
>>>> - CPU-C3: No C3 (dev.cpu.0.cx_supported: C1/3 C2/245) for i7-620M.
>>>> Battery life will not be good without C3, and Turbo Boost will not
>>>> work either. (Apparently, Linux got C3 support on a quick boot with
>>>> a live CD.)
>>>
>>> Did you try removing the power cord? Sometimes C3 is hidden and only
>>> shows up when the power cord is unplugged.
>
> (I definitely should have put in the battery before pulling the power
> cord...)
>
> Unplugging the power while running FreeBSD does not change the sysctl.
> Or would I have to boot on battery? That would severely restrict the
> use. (I will try that later.)
>
> Turbo Boost requires C3 and is not a feature that is typically used on
> battery.

Booting on battery did not give me C3, either. What can I do next?

Cheers,
Jan Henrik