I am getting following exception when apps lunch but not crash.Device Kernel version 3.0.13
Why am I getting this exception? I searched with exception in google.But I could not find any answer. LOG::

09-15 17:23:03.504: E/KeyguardUpdateMonitor(236): Object tried to add another INFO callback09-15 17:23:03.543: E/AudioYusuHardware(103): setParameters still have param.size() = 109-15 17:23:03.556: E/WifiStateMachine(236): set suspend optimizations failed!09-15 17:23:07.368: E/ActivityManager(236): mtprof entry can not found!09-15 17:23:07.368: E/ActivityManager(236): java.io.FileNotFoundException: /proc/mtprof/status: open failed: ENOENT (No such file or directory)09-15 17:23:07.368: E/ActivityManager(236): at libcore.io.IoBridge.open(IoBridge.java:448)09-15 17:23:07.368: E/ActivityManager(236): at java.io.FileInputStream.(FileInputStream.java:78)0 9-15 17:23:07.368: E/ActivityManager(236): at java.io.FileInputStream.(FileInputStream.java:105) 09-15 17:23:07.368: E/ActivityManager(236): at com.android.server.am.ActivityRecord.mtProf(Activi tyRecord.java:852)09-15 17:23:07.368: E/ActivityManager(236): at com.android.server.am.ActivityRecord.windowsDrawn( ActivityRecord.java:653)09-15 17:23:07.368: E/ActivityManager(236): at com.android.server.am.ActivityRecord$Token.windows Drawn(ActivityRecord.java:225)09-15 17:23:07.368: E/ActivityManager(236): at com.android.server.wm.WindowManagerService$H.handl eMessage(WindowManagerService.java:7054)09-15 17:23:07.368: E/ActivityManager(236): at android.os.Handler.dispatchMessage(Handler.java:99 )09-15 17:23:07.368: E/ActivityManager(236): at android.os.Looper.loop(Looper.java:154)09-15 17:23:07.368: E/ActivityManager(236): at com.android.server.wm.WindowManagerService$WMThrea d.run(WindowManagerService.java:756)09-15 17:23:07.368: E/ActivityManager(236): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)09-15 17:23:07.368: E/ActivityManager(236): at libcore.io.Posix.open(Native Method)09-15 17:23:07.368: E/ActivityManager(236): at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110 )09-15 17:23:07.368: E/ActivityManager(236): at libcore.io.IoBridge.open(IoBridge.java:432)09-15 17:23:07.368: E/ActivityManager(236): ... 9 more

Check Solution