Please note: this bug does not only effect thermal sensors.  It effects
almost all things that might require ACPI.  For example, The keyboard
WiFi / Bluetooth/Webcam on/off switches and lid detection buttons also
do not work with current (Lucid Beta 1) kernel.  I can confirm that
reversing commit 6a63b06f3c494cc87eade97f081300bda60acec7 fixes all
those issues on my System76 Pangolin (PanP5) when compiling the
2.6.32-9.13 kernel under Karmic.  I have not tested the fix in Lucid,
but I can't imagine it not working there as well.

There is a patch for this problem, but I have not been successful
applying it to a 2.6.32 source tree.  I believe the patch is for 2.6.33.
Perhaps the best solution is to backport that patch to 2.6.32-*  (see
https://bugzilla.kernel.org/show_bug.cgi?id=14667#c89 ). It seems pretty
clear that this bug effects more than just one or two laptop models and
needs to be fixed before Lucid becomes final.

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Dell Studio 1555 - ACPI thermal sensors do not work after resume
https://bugs.launchpad.net/bugs/524956
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