My laptop (Compaq 6720s, bought in 2008) behaves also like this. After "waking 
up" the fan is turning on full speed with raring. With quantal it behaves as it 
should.
I tried all kinds of things to cure it (GRUB_CMDLINE_LINUX_DEFAULT="quiet 
splash acpi_osi=linux" etc). Nothing worked. But the file 
/etc/pm/sleep.d/99fancontrol.sh as mentioned by filip (bandit-s-fw)  on 
2013-02-09 above works 100%. 
Thank you very much.
Every time there is a new linux kernel in the updates, I make the file 
/etc/pm/sleep.d/99fancontrol.sh non-executabele. Then I bring the laptop in 
ram-sleep and wake it up again to test if the problem still is there. Until now 
I need to make /etc/pm/sleep.d/99fancontrol.sh executable again very quickly 
because the fan is going wildly.

Ofcource it would be even better when this tweak wasn't needed.

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https://bugs.launchpad.net/bugs/1094722

Title:
  Raring: regression: fan keeps spinning at full speed after suspend

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