Acer Aspire 5315 fan issue on Ubuntu (solved)

There is a (well known) (design) problem with the Acer Aspire 5315 preventing the fan to work properly and eventually shutting down the computer to protect from overheating.

Solution comes from here and here:

  1. install mempat binary
  2. and acer_fancontrol script

into /usr/bin.

You have to find out the correct memory address for mmap().

For the 5315 wit 1.5G RAM PATCH_ADDRESS=x5F6BCEAF.

Add acer_fancontrol to /etc/rc.local and restart.