[Nexus 4 Q&A, Help & Troubleshooting] brajesh.sharma87:
Not sure what to do about the first line but here's the log

I/ActivityManager( 647): Displayed com.android.settings/.Settings: +631ms
I/ActivityManager( 647): START u0 {act=android.intent.action.MAIN cmp=com.android.settings/.SubSettings (has extras)} from pid 9823
D/audio_hw_primary( 170): select_devices: out_snd_device(2: speaker) in_snd_device(0: )
D/ACDB-LOADER( 170): ACDB -> send_afe_cal
D/SubSettings( 9823): Launching fragment com.android.settings.DisplaySettings
D/AndroidRuntime( 9823): Shutting down VM
W/dalvikvm( 9823): threadid=1: thread exiting with uncaught exception (group=0x415adba8)
E/AndroidRuntime( 9823): FATAL EXCEPTION: main
E/AndroidRuntime( 9823): Process: com.android.settings, PID: 9823
E/AndroidRuntime( 9823): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.SubSettings}: java.lang.NullPointerException
E/AndroidRuntime( 9823):	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
E/AndroidRuntime( 9823):	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
E/AndroidRuntime( 9823):	at android.app.ActivityThread.access$800(ActivityThread.java:135)
E/AndroidRuntime( 9823):	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
E/AndroidRuntime( 9823):	at android.os.Handler.dispatchMessage(Handler.java:102)
E/AndroidRuntime( 9823):	at android.os.Looper.loop(Looper.java:136)
E/AndroidRuntime( 9823):	at android.app.ActivityThread.main(ActivityThread.java:5017)
E/AndroidRuntime( 9823):	at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 9823):	at java.lang.reflect.Method.invoke(Method.java:515)
E/AndroidRuntime( 9823):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
E/AndroidRuntime( 9823):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
E/AndroidRuntime( 9823):	at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime( 9823): Caused by: java.lang.NullPointerException
E/AndroidRuntime( 9823):	at com.android.settings.DisplaySettings.onCreate(DisplaySettings.java:134)
E/AndroidRuntime( 9823):	at android.app.Fragment.performCreate(Fragment.java:1678)
E/AndroidRuntime( 9823):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:859)
E/AndroidRuntime( 9823):	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062)
E/AndroidRuntime( 9823):	at android.app.BackStackRecord.run(BackStackRecord.java:684)
E/AndroidRuntime( 9823):	at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1447)
E/AndroidRuntime( 9823):	at android.app.Activity.performStart(Activity.java:5240)
E/AndroidRuntime( 9823):	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2168)
E/AndroidRuntime( 9823):	... 11 more
W/ActivityManager( 647): Force finishing activity com.android.settings/.SubSettings
W/ActivityManager( 647): Force finishing activity com.android.settings/.Settings
W/ActivityManager( 647): Activity pause timeout for ActivityRecord{41e72210 u0 com.android.settings/.SubSettings t14 f}
W/Sidekick_LocationOracleImpl( 2543): Best location was null
I/Process ( 9823): Sending signal. PID: 9823 SIG: 9
V/SearchControllerCache( 2543): creating SearchController
W/Sidekick_LocationOracleImpl( 2543): Best location was null
W/GCoreFlp( 8127): No location to return for getLastLocation()
I/ActivityManager( 647): Process com.android.settings (pid 9823) has died.
I/WindowState( 647): WIN DEATH: Window{419b9318 u0 com.android.settings/com.android.settings.Settings}
D/dalvikvm( 2543): GC_FOR_ALLOC freed 1110K, 57% free 5133K/11704K, paused 27ms, total 27ms
I/MicroHotwordRecognitionRunner( 2543): Starting hotword detection.
D/audio_hw_primary( 170): select_devices: out_snd_device(0: ) in_snd_device(34: voice-rec-mic)
E/ACDB-LOADER( 170): Error: ACDB AudProc vol returned = -8
D/dalvikvm( 2543): GC_CONCURRENT freed 6K, 51% free 5756K/11704K, paused 2ms+3ms, total 32ms
I/SearchController( 2543): #onHotwordDetectorStarted