On Mon, 2011-10-17 at 22:40 +0300, alekcejk@xxxxxxxxxxxxxx wrote: > Frequency scaling have negative effects for me > so I need to have it disabled in BIOS. What negative effects does frequency scaling have for you when using governor performance? -- Vratislav Podzimek > > I think that this is not BIOS option broken > but broken kernel with built-in cpufreq modules. > If hardware supports disabling frequency scaling > then should be possibility to do this. > BIOS have such possibility, Fedora kernels before F16 > also makes it possible to use or not to use scaling. > But with F16+ kernels this becomes impossible. > > Adam Jackson wrote: > > > On Mon, 2011-10-17 at 21:54 +0300, alekcejk@xxxxxxxxxxxxxx wrote: > > > >> But this assumption was wrong for my system which have BIOS option > >> for disabling CPU frequency scaling (SpeedStep). > >> > >> If SpeedStep is enabled in BIOS then kernel uses acpi-cpufreq built-in module > >> but if I will disable frequency scaling in BIOS kernel still loads cpufreq module > >> but p4-clockmod instead of acpi-cpufreq. > > > > Why would you choose broken BIOS options? > > > > - ajax > -- > Alexey Kurov <nucleo@xxxxxxxxxxxxxxxxx> > -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
