[Sony Xperia M] elmkzgirxp:
'Vibrator intensity' setting force-closes.

Logcat

--------- beginning of main
D/StatusBar.NetworkController( 1280): refreshViews: Data not connected!! Set no data type icon / Roaming
D/StatusBar.NetworkController( 1280): refreshViews: Data not connected!! Set no data type icon / Roaming
D/StatusBar.NetworkController( 1280): refreshViews: Data not connected!! Set no data type icon / Roaming
D/StatusBar.NetworkController( 1280): refreshViews: Data not connected!! Set no data type icon / Roaming
E/AudioTrack( 721): AudioTrack::set : Exit
D/ALSADevice( 249): route: devices 0x2 in mode 0
D/ALSADevice( 249): No valid input device: 0
D/alsa_ucm( 249): snd_use_case_set(): uc_mgr 0xb7ada2e0 identifier _enadev value Speaker
D/ALSADevice( 249): switchDevice: mCurTxUCMDevivce None mCurRxDevDevice Speaker
D/alsa_ucm( 249): snd_use_case_set(): uc_mgr 0xb7ada2e0 identifier _verb value HiFi Lowlatency
D/alsa_ucm( 249): Set mixer controls for Speaker enable 1
D/alsa_ucm( 249): acdb_id 14 cap 1 enable 1
D/ACDB-LOADER( 249): ACDB -> send_audio_cal, acdb_id = 14, path = 0
D/ACDB-LOADER( 249): ACDB -> send_adm_topology
D/ACDB-LOADER( 249): ACDB -> ACDB_CMD_GET_AUDPROC_COMMON_TOPOLOGY_ID
D/ACDB-LOADER( 249): ACDB -> send_audtable
D/ACDB-LOADER( 249): ACDB -> ACDB_CMD_GET_AUDPROC_COMMON_TABLE
D/ACDB-LOADER( 249): ACDB -> AUDIO_SET_AUDPROC_CAL
D/ACDB-LOADER( 249): ACDB -> send_audvoltable
D/ACDB-LOADER( 249): ACDB -> ACDB_CMD_GET_AUDPROC_GAIN_DEP_VOLTBL_STEP_COPP
D/ACDB-LOADER( 249): ACDB -> AUDIO_SET_AUDPROC_VOL_CAL
D/ACDB-LOADER( 249): ACDB -> send_afe_cal
D/ACDB-LOADER( 249): ACDB -> ACDB_CMD_GET_AFE_COMMON_TABLE
D/ACDB-LOADER( 249): ACDB -> AUDIO_SET_AFE_CAL
D/alsa_ucm( 249): Setting mixer control: DAC3 MUX, value: INV_RX1
D/alsa_ucm( 249): Setting mixer control: DAC2 MUX, value: RX1
D/alsa_ucm( 249): Setting mixer control: LINEOUT1 Volume, value: 100
D/alsa_ucm( 249): Setting mixer control: LINEOUT2 Volume, value: 100
D/alsa_ucm( 249): Setting mixer control: SLIM_0_RX Channels, value: One
D/alsa_ucm( 249): Setting mixer control: RX1 MIX1 INP1, value: RX1
D/alsa_ucm( 249): Setting mixer control: RX1 Digital Volume, value: 68
D/alsa_ucm( 249): Setting mixer control: PMIC SPK Gain, value: POS_20_DB
D/alsa_ucm( 249): Set mixer controls for HiFi Lowlatency enable 1
D/alsa_ucm( 249): Setting mixer control: SLIMBUS_0_RX Audio Mixer MultiMedia5, value: 1
D/ALSADevice( 249): close: handle 0xb7b0a968 h 0x0
D/ALSADevice( 249): open: handle 0xb7b0a968, format 0x2
D/ALSADevice( 249): Device value returned is hw:0,14
D/ALSADevice( 249): handle->format: 0x2
D/ALSADevice( 249): setHardwareParams: reqBuffSize 1024 channels 2 sampleRate 48000
D/ALSADevice( 249): setHardwareParams: buffer_size 2048, period_size 1024, period_cnt 2
E/FileUtils( 3008): Could not read from file /sys/class/timed_output/vibrator/level
E/FileUils( 3008): java.io.FileNotFoundException: /sys/class/timed_output/vibrator/level: open failed: EACCES (Permission denied)
E/FileUtils( 3008):	at libcore.io.IoBridge.open(IoBridge.java:456)
E/FileUtils( 3008):	at java.io.FileInputStream.<init>(FileInputStream.java:76)
E/FileUtils( 3008):	at java.io.FileInputStream.<init>(FileInputStream.java:103)
E/FileUtils( 3008):	at java.io.FileReader.<init>(FileReader.java:66)
E/FileUtils( 3008):	at org.cyanogenmod.hardware.util.FileUtils.readOneLine(FileUtils.java:41)
E/FileUtils( 3008):	at org.cyanogenmod.hardware.VibratorHW.getCurIntensity(VibratorHW.java:50)
E/FileUtils( 3008):	at com.android.settings.hardware.VibratorIntensity.onBindDialogView(VibratorIntensity.java:101)
E/FileUtils( 3008):	at android.preference.DialogPreference.createDialog(DialogPreference.java:313)
E/FileUtils( 3008):	at android.preference.DialogPreference.showDialog(DialogPreference.java:286)
E/FileUtils( 3008):	at com.android.settings.hardware.VibratorIntensity.showDialog(VibratorIntensity.java:114)
E/FileUtils( 3008):	at android.preference.DialogPreference.onClick(DialogPreference.java:274)
E/FileUtils( 3008):	at android.preference.Preference.performClick(Preference.java:983)
E/FileUtils( 3008):	at android.preference.PreferenceScreen.onItemClick(PreferenceScreen.java:214)
E/FileUtils( 3008):	at android.widget.AdapterView.performItemClick(AdapterView.java:305)
E/FileUtils( 3008):	at android.widget.AbsListView.performItemClick(AbsListView.java:1148)
E/FileUtils( 3008):	at android.widget.AbsListView$PerformClick.run(AbsListView.java:3059)
E/FileUtils( 3008):	at android.widget.AbsListView$3.run(AbsListView.java:3866)
E/FileUtils( 3008):	at android.os.Handler.handleCallback(Handler.java:739)
E/FileUtils( 3008):	at android.os.Handler.dispatchMessage(Handler.java:95)
E/FileUtils( 3008):	at android.os.Looper.loop(Looper.java:135)
E/FileUtils( 3008):	at android.app.ActivityThread.main(ActivityThread.java:5291)
E/FileUtils( 3008):	at java.lang.reflect.Method.invoke(Native Method)
E/FileUtils( 3008):	at java.lang.reflect.Method.invoke(Method.java:372)
E/FileUtils( 3008):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
E/FileUtils( 3008):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
E/FileUtils( 3008): Caused by: android.system.ErrnoException: open failed: EACCES (Permission denied)
E/FileUtils( 3008):	at libcore.io.Posix.open(Native Method)
E/FileUtils( 3008):	at libcore.io.BlockGuardOs.open(BlockGuardOs.java:186)
E/FileUtils( 3008):	at libcore.io.IoBridge.open(IoBridge.java:442)
E/FileUtils( 3008):	... 24 more
D/AndroidRuntime( 3008): Shutting down VM
E/AndroidRuntime( 3008): FATAL EXCEPTION: main
E/AndroidRuntime( 3008): Process: com.android.settings, PID: 3008
E/AndroidRuntime( 3008): java.lang.NumberFormatException: Invalid int: "null"
E/AndroidRuntime( 3008):	at java.lang.Integer.invalidInt(Integer.java:138)
E/AndroidRuntime( 3008):	at java.lang.Integer.parseInt(Integer.java:358)
E/AndroidRuntime( 3008):	at java.lang.Integer.parseInt(Integer.java:334)
E/AndroidRuntime( 3008):	at org.cyanogenmod.hardware.VibratorHW.getCurIntensity(VibratorHW.java:50)
E/AndroidRuntime( 3008):	at com.android.settings.hardware.VibratorIntensity.onBindDialogView(VibratorIntensity.java:101)
E/AndroidRuntime( 3008):	at android.preference.DialogPreference.createDialog(DialogPreference.java:313)
E/AndroidRuntime( 3008):	at android.preference.DialogPreference.showDialog(DialogPreference.java:286)
E/AndroidRuntime( 3008):	at com.android.settings.hardware.VibratorIntensity.showDialog(VibratorIntensity.java:114)
E/AndroidRuntime( 3008):	at android.preference.DialogPreference.onClick(DialogPreference.java:274)
E/AndroidRuntime( 3008):	at android.preference.Preference.performClick(Preference.java:983)
E/AndroidRuntime( 3008):	at android.preference.PreferenceScreen.onItemClick(PreferenceScreen.java:214)
E/AndroidRuntime( 3008):	at android.widget.AdapterView.performItemClick(AdapterView.java:305)
E/AndroidRuntime( 3008):	at android.widget.AbsListView.performItemClick(AbsListView.java:1148)
E/AndroidRuntime( 3008):	at android.widget.AbsListView$PerformClick.run(AbsListView.java:3059)
E/AndroidRuntime( 3008):	at android.widget.AbsListView$3.run(AbsListView.java:3866)
E/AndroidRuntime( 3008):	at android.os.Handler.handleCallback(Handler.java:739)
E/AndroidRuntime( 3008):	at android.os.Handler.dispatchMessage(Handler.java:95)
E/AndroidRuntime( 3008):	at android.os.Looper.loop(Looper.java:135)
E/AndroidRuntime( 3008):	at android.app.ActivityThread.main(ActivityThread.java:5291)
E/AndroidRuntime( 3008):	at java.lang.reflect.Method.invoke(Native Method)
E/AndroidRuntime( 3008):	at java.lang.reflect.Method.invoke(Method.java:372)
E/AndroidRuntime( 3008):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
E/AndroidRuntime( 3008):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
--------- beginning of system
W/ActivityManager( 721): Force finishing activity 1 com.android.settings/.SubSettings
I/OpenGLRenderer( 721): Initialized EGL, version 1.4
W/ActivityManager( 721): Activity pause timeout for ActivityRecord{376733a2 u0 com.android.settings/.SubSettings t5 f}

EDIT: Also, random reboots are present.