Date: Wed, 10 Nov 2010 17:23:21 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: Mathias Picker <Mathias.Picker@gmx.de> Cc: freebsd-acpi@freebsd.org Subject: Re: Acer 5553g / Mobile Phenom N930 C-States Message-ID: <4CDAB8E9.4050707@icyb.net.ua> In-Reply-To: <1289398030.1762.17.camel@localhost> References: <1289398030.1762.17.camel@localhost>
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on 10/11/2010 16:07 Mathias Picker said the following: > Hi, > > my N930 reports C1 as lowest cpu state: > > mp% sysctl -a|grep cx_supp > dev.cpu.0.cx_supported: C1/0 > dev.cpu.1.cx_supported: C1/0 > dev.cpu.2.cx_supported: C1/0 > dev.cpu.3.cx_supported: C1/0 > > I searched the net, but I can't tell if that's correct. > > The system runs rather loud with FreeBSD (fan running full speed, cpu > temp around 59°C). > > I can't switch off the second graphics card, one of my last ideas of > getting it any cooler would be c2/c3. I've followed every other tip from > TuningPowerConsumption and need still around 3315 mA. Your ACPI tables say that there is no C-state beyond C1. Try installing and booting recent head/CURRENT kernel on that machine. And enable C1E in BIOS. > boot -v output: http://pastebin.com/VWYifahu > acpidump -dt: http://pastebin.com/V82SuzrW > > cpufreq scaling works fine: > > dev.cpu.0.%desc: ACPI CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.C000 > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: 800 > dev.cpu.0.freq_levels: 2000/7632 1700/5945 1400/4582 1100/3422 800/2328 > dev.cpu.0.temperature: 59,1C > dev.cpu.0.cx_supported: C1/0 > dev.cpu.0.cx_lowest: C1 > dev.cpu.0.cx_usage: 100.00% last 2038us > dev.cpu.1.%desc: ACPI CPU -- Andriy Gapon
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