You can do

sudo sh -c 'echo -n "enabled" > /sys/class/thermal/thermal_zone0/mode'

as a single line workaround.

2009/10/12 Sokraates <sokraa...@gmx.net>:
> Just so that anyone looking at this bug will be able to make acerhdf
> work, here's the workaround from the duplicate bug report:
>
> "To make fan control and acerhdf work, I need to do a 'sudo -s' (regular
> sudo won't work) and then 'echo -n "enabled" > /sys
> /class/thermal/thermal_zone0/mode' (this command is recommended when
> doing "dmesg | grep acerhdf)".
>
> However /sys/class/thermal/thermal_zone0/mode is reset to "disabled"
> after every reboot or shutdown. To make enebled permanent I had to add
> 'echo -n "enabled" > /sys /class/thermal/thermal_zone0/mode' to
> /etc/rc.local (before the "exit 0"-line)."
>
> --
> acerhdf: not enabled by default
> https://bugs.launchpad.net/bugs/436768
> You received this bug notification because you are a direct subscriber
> of the bug.
>


-- 
Neil Wilson

-- 
acerhdf: not enabled by default
https://bugs.launchpad.net/bugs/436768
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