--------- beginning of crash
E/AndroidRuntime( 1593): FATAL EXCEPTION: main
E/AndroidRuntime( 1593): Process: com.android.settings, PID: 1593
E/AndroidRuntime( 1593): java.lang.RuntimeException: Unable to resume activity {com.android.settings/com.android.settings.SubSettings}: java.lang.NullPointerException: Attempt to invoke interface method 'int android.security.IKeystoreService.is_hardware_backed(java.lang.String)' on a null object reference
E/AndroidRuntime( 1593): 	at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2951)
E/AndroidRuntime( 1593): 	at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2982)
E/AndroidRuntime( 1593): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2365)
E/AndroidRuntime( 1593): 	at android.app.ActivityThread.access$800(ActivityThread.java:144)
E/AndroidRuntime( 1593): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
E/AndroidRuntime( 1593): 	at android.os.Handler.dispatchMessage(Handler.java:102)
E/AndroidRuntime( 1593): 	at android.os.Looper.loop(Looper.java:135)
E/AndroidRuntime( 1593): 	at android.app.ActivityThread.main(ActivityThread.java:5221)
E/AndroidRuntime( 1593): 	at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime( 1593): 	at java.lang.reflect.Method.invoke(Method.java:372)
E/AndroidRuntime( 1593): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
E/AndroidRuntime( 1593): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
E/AndroidRuntime( 1593): Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'int android.security.IKeystoreService.is_hardware_backed(java.lang.String)' on a null object reference
E/AndroidRuntime( 1593): 	at android.security.KeyStore.isHardwareBacked(KeyStore.java:318)
E/AndroidRuntime( 1593): 	at android.security.KeyStore.isHardwareBacked(KeyStore.java:313)
E/AndroidRuntime( 1593): 	at com.android.settings.SecuritySettings.createPreferenceHierarchy(SecuritySettings.java:323)
E/AndroidRuntime( 1593): 	at com.android.settings.SecuritySettings.onResume(SecuritySettings.java:524)
E/AndroidRuntime( 1593): 	at android.app.Fragment.performResume(Fragment.java:2096)
E/AndroidRuntime( 1593): 	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:928)
E/AndroidRuntime( 1593): 	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1067)
E/AndroidRuntime( 1593): 	at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1049)
E/AndroidRuntime( 1593): 	at android.app.FragmentManagerImpl.dispatchResume(FragmentManager.java:1879)
E/AndroidRuntime( 1593): 	at android.app.Activity.performResume(Activity.java:6029)
E/AndroidRuntime( 1593): 	at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2940)
E/AndroidRuntime( 1593): 	... 11 more
W/ActivityManager(  747):   Force finishing activity com.android.settings/.SubSettings
W/ActivityManager(  747):   Force finishing activity com.android.settings/.Settings