it's a bios bug, I've solved it through a modified DSDT table to load at boot thanks to an Intel developer in kernel-acpi ML.
-- ACPI Error [...] AE_NOT_FOUND -> Frequency scaling not working at all on C2D T7500 https://bugs.launchpad.net/bugs/176311 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
