Date: Mon, 29 Mar 2010 22:45:02 +0200 From: Jan Henrik Sylvester <me@janh.de> To: Rui Paulo <rpaulo@freebsd.org> Cc: mobile-list freebsd <freebsd-mobile@freebsd.org> Subject: Re: Thinkpad T510: LAN? CPU-C3? Message-ID: <4BB1114E.5050503@janh.de> In-Reply-To: <4BB0F852.2060804@janh.de> References: <4BB07F1E.1000009@janh.de> <0856C313-7EB9-4EE0-A5BB-2DA580147F6B@freebsd.org> <862AB6B2-EA52-4ACB-B373-16F4B8AD3A68@freebsd.org> <4BB0F852.2060804@janh.de>
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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
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