Messages in this thread | | | Date | Tue, 1 Jan 2013 15:30:23 -0500 | Subject | Re: i7-2620M: Clock always high when on battery | From | "devendra.aaru" <> |
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On Tue, Jan 1, 2013 at 3:17 PM, Peter Senna Tschudin <peter.senna@gmail.com> wrote: > I'm not sure if I'm emailing the right people. My problem is with > dynamic clock and or power management. > > I'm using 3.6.10-2.fc17.x86_64 but the exact same problem happen with > non Fedora Kernels like 3.7.1 and 3.6.11. > > I'm using Toshiba R830-10P notebook with i7-2620M cpu. > > The problem is that when I power on the notebook without the AC > adapter the clock of all cores is always very close to 2,7GHz. It was > expected that without load the clock would be around 800 Mhz. This > issue is causing the notebook to get hot and reduces battery life. The > same problem also happens when on AC power but it is uncommon. > > What can I do to diagnose the problem and collect more precise details? >
would you mind trying this
echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
as root?
but before cat that file to see whats the current cpu governor.
> Peter > > -- > Peter > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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