I finally find a way to solve this problem ! I now use the kernel -i386 instead of the -generic ! And CPU scaling works now both on AC and battery.
If devel can find what was wrong with the generic kernel... -- CPU at maximum speed when connected to AC https://bugs.launchpad.net/bugs/84883 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs