On Tue, Aug 26, 2014 at 5:34 AM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote: > Can you try to debug it with some prints? > > The functions of interest would be, drivers/cpufreq/cpufreq.c: > - static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf) > - static ssize_t store_scaling_governor(struct cpufreq_policy *policy, > const char *buf, size_t count) > > Try to add some prints there while returning errors and then try to change > governor from userspace and things might get somewhat better then.. I will: unfortunatly I won't have time due to buisness trip until next week. I've scheduled some time for rebuilding with prints then. Thanks for the suggestion, I'll update once I have more info, -Harry -- 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