E/Utils   (10260): Error writing to /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq. Exception:
E/Utils   (10260): java.io.FileNotFoundException: /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq: open failed: EACCES (Permission denied)
E/Utils   (10260): 	at libcore.io.IoBridge.open(IoBridge.java:416)
E/Utils   (10260): 	at java.io.FileOutputStream.<init>(FileOutputStream.java:88)
E/Utils   (10260): 	at java.io.FileOutputStream.<init>(FileOutputStream.java:73)
E/Utils   (10260): 	at java.io.FileWriter.<init>(FileWriter.java:80)
E/Utils   (10260): 	at com.android.settings.Utils.fileWriteOneLine(Utils.java:526)
E/Utils   (10260): 	at com.android.settings.cyanogenmod.Processor.onPreferenceChange(Processor.java:225)
E/Utils   (10260): 	at android.preference.Preference.callChangeListener(Preference.java:895)
E/Utils   (10260): 	at android.preference.ListPreference.onDialogClosed(ListPreference.java:265)
E/Utils   (10260): 	at android.preference.DialogPreference.onDismiss(DialogPreference.java:383)
E/Utils   (10260): 	at android.app.Dialog$ListenersHandler.handleMessage(Dialog.java:1232)
E/Utils   (10260): 	at android.os.Handler.dispatchMessage(Handler.java:99)
E/Utils   (10260): 	at android.os.Looper.loop(Looper.java:137)
E/Utils   (10260): 	at android.app.ActivityThread.main(ActivityThread.java:5226)
E/Utils   (10260): 	at java.lang.reflect.Method.invokeNative(Native Method)
E/Utils   (10260): 	at java.lang.reflect.Method.invoke(Method.java:511)
E/Utils   (10260): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
E/Utils   (10260): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
E/Utils   (10260): 	at dalvik.system.NativeStart.main(Native Method)
E/Utils   (10260): Caused by: libcore.io.ErrnoException: open failed: EACCES (Permission denied)
E/Utils   (10260): 	at libcore.io.Posix.open(Native Method)
E/Utils   (10260): 	at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
E/Utils   (10260): 	at libcore.io.IoBridge.open(IoBridge.java:400)
E/Utils   (10260): 	... 17 more