[ltp] Tracking down a EC firmware bug (fan reading)

[Henrique de Moraes Holschuh]

On Tue, 03 Oct 2006, Enrico Tröger wrote:
> But it is. The Thinkpad was powered off for more than half an hour, so
> it should be cool enough, I powered it on and just got the following
> result:
> endor:~# cat /proc/acpi/ibm/fan
> status:         enabled
> speed:          0
> level:          7

And that's the bug.  Your fan control status is actually 0x80 (auto mode),
but the EC reports 0x07 (level 7).

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh