I sure wish a fix is released for this, since my laptop has become
practically unusable since I upgraded to Natty.

$ uname -a
Linux mg-ThinkPad-T410 2.6.38-11-generic-pae #50-Ubuntu SMP Mon Sep 12 22:21:04 
UTC 2011 i686 i686 i386 GNU/Linux

$ top
top - 17:28:33 up 8 min,  2 users,  load average: 0.19, 0.44, 0.34
Tasks: 199 total,   1 running, 197 sleeping,   0 stopped,   1 zombie

$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +80.0°C  (crit = +100.0°C)                  

coretemp-isa-0000
Adapter: ISA adapter
Core 0:      +74.0°C  (high = +95.0°C, crit = +105.0°C)  

coretemp-isa-0002
Adapter: ISA adapter
Core 2:      +74.0°C  (high = +95.0°C, crit = +105.0°C)  

thinkpad-isa-0000
Adapter: ISA adapter
fan1:       7312 RPM
temp1:       +80.0°C                           

The BIOS setting is "Balanced" when the laptop is on AC Power.

$ sudo powertop
Cn                Avg residency       P-states (frequencies)
C0 (cpu running)        ( 0.0%)         2.54 Ghz     6.3%
polling           4.0ms ( 0.2%)         2.27 Ghz     0.2%
C1 mwait          0.1ms ( 0.3%)         1.60 Ghz     0.2%
C2 mwait          1.5ms (30.5%)         1333 Mhz     0.3%
C3 mwait          1.8ms (86.3%)         1199 Mhz    92.9%

Wakeups-from-idle per second : 721.6    interval: 5.0s
no ACPI power usage estimate available

Top causes for wakeups:
  53.3% (413.0)   PS/2 keyboard/mouse/touchpad interrupt
  14.1% (109.2)   plugin-containe
   8.7% ( 67.8)   [mmc0, hda_intel, nvidia] <interrupt>
   3.5% ( 26.8)   [iwlagn] <interrupt>

Personally, I think the nvidia drivers also have something to contribute
to heat since the temperature skyrockets as soon as I watch a video
(flash or otherwise)...

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https://bugs.launchpad.net/bugs/751689

Title:
  Thinkpads overheat due to slow fans when on 'auto'

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