Tried the last solution, doesn't work for me.
root@LineaAlba:/etc# cpufreq-info
cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpuf...@vger.kernel.org, please.
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 10.0 us.
hardware limits: 800 MHz - 1.60 GHz
available frequency steps: 1.60 GHz, 1.40 GHz, 1.30 GHz, 1.20 GHz, 1.10 GHz,
1000 MHz, 900 MHz, 800 MHz
available cpufreq governors: conservative, ondemand, userspace, powersave,
performance
current policy: frequency should be within 800 MHz and 800 MHz.
The governor "performance" may decide which speed to use
within this range.
current CPU frequency is 800 MHz (asserted by call to hardware).
cpufreq stats: 1.60 GHz:6,61%, 1.40 GHz:0,00%, 1.30 GHz:15,98%, 1.20
GHz:0,00%, 1.10 GHz:0,00%, 1000 MHz:0,00%, 900 MHz:0,00%, 800 MHz:77,40% (15)
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https://bugs.launchpad.net/bugs/962947
Title:
CPU scaled back to very slow speed, cannot increase speed
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