[ltp] Disabling7Enabling one processor in CoreDuo thinkpads

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Wed, 26 Apr 2006 19:37:54 -0300


On Wed, 26 Apr 2006, Guillermo Juárez wrote:
> In my thinkpad x60s I am able to disable one of the cores to save
> energy. this can be done enabling the "hotplug cpu" option in the 2.6
> kernel.
> 
> My problem is, if I try to enable this core again, then the computer
> freezes and I have no option but to switch it off.

Try to update to the latest acpi patches from acpi.sf.net.  I think I saw a
hunk there about fixes to CPU hotplug enumeration.

-- 
  "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