Ironhide do not work anymore on Kubuntu 11.10

[marcorusso79]

run sudo ironhide-configuration

Main Error : ironhide could not be started - optirun cannot be executed.

Full error generated :

1

AUTO

• Starting Ironhide X server ironhide Ironhide hasn't been configured for power management, please run ironhide-configuration. ... * The Ironhide Xserver failed to start. Please check /var/log/Xorg..log [fail]
• Stopping Ironhide X server ironhide [fail]
• Starting Ironhide X server ironhide Ironhide hasn't been configured for power management, please run ironhide-configuration. ... * The Ironhide Xserver failed to start. Please check /var/log/Xorg..log [fail]
• Stopping Ironhide X server ironhide [fail]
• Starting Ironhide X server ironhide Ironhide hasn't been configured for power management, please run ironhide-configuration. ... * The Ironhide Xserver failed to start. Please check /var/log/Xorg..log [fail]
  ironhide could not be started - optirun cannot be executed.

I can't use Ironhide anymore, i do not know why ...

[Lekensteyn]

Try Bumblebee as described in http://askubuntu.com/a/36936/6969 (for upgrading, see http://wiki.bumblebee-project.org/Upgrading-on-Ubuntu)