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:Hi, : :after the recent ACPI update, setting hw.acpi.cpu.cx_lowest=C3 caused :clock interrupt issues on my ThinkPad X60. :This is because the special handling that sets the clock interrupt :source to i8254 when C3 is enabled was no longer working. The type :field of struct acpi_cx in acpi_cpu_cstate.c was overwritten due to a :typo. The patch below fixes the issue. : :Cheers, :Johannes : :- acpi_PkgGas(sc->cpu_dev, pkg, 0, &cx_ptr->type, &cx_ptr->rid, &cx_ptr->p_lvlx, :+ acpi_PkgGas(sc->cpu_dev, pkg, 0, &cx_ptr->res_type, &cx_ptr->rid, &cx_ptr->p_lvlx, Nice catch. Committed! -Matt Matthew Dillon <dillon@backplane.com>