On Mon, 25 Aug 2014 19:25:28 +0530 Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote: > > # Attempt to set min freq of 2GHz (max) of this core2duo > > $ echo 2000000 > /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq > > bash: /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq: Permission denied > > You tried both these as root? Even 'sudo' may not work.. > > I haven't seen the rt code since sometime, what tag should I look at ? > Can you also try the matching vanilla kernel to see if that works? That is, if you are using 3.14.12-rt9, build and boot 3.14.12 with the same config (except change CONFIG_PREEMPT_RT_FULL to just CONFIG_PREEMPT) and see if that doesn't work either. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html