Hi, I confirm this. The xorg.conf use wrong freq. I provided a working xorg.conf at http://wiki.ubuntu.com/iMacG5RevC . About the fan, Benjamin Herrenschmidt will work on it later, any help is welcome, we need a windfarm121 driver.
Étienne. -- Verso l'Alto ! -- iMac G5 will freeze after booting up https://launchpad.net/bugs/23445 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs