Dear all, I use kernel-3.11.0-0.rc2.git0.2.fc20.x86_64 on Sony Vaio Pro. This machine has Haswell processor, however, the intel_pstate cpufreq driver does not loaded. $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver acpi-cpufreq I googled this issue and found a patch at https://spicious.com/sony-vaio-pro-11-with-ubuntu.html > diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c > index 07f2840..1ce506a 100644 > --- a/drivers/cpufreq/intel_pstate.c > +++ b/drivers/cpufreq/intel_pstate.c > @@ -522,6 +522,7 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[] = { > ICPU(0x2a, default_policy), > ICPU(0x2d, default_policy), > ICPU(0x3a, default_policy), > + ICPU(0x45, default_policy), > {} > }; > MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids); Could you apply this patch to the rawhide and f19 kernel? -- Yu _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel
