[Moto X4 Questions & Answers] jsis83:
No special application. Developer options error report shows the following on one of the restarts:

06-19 08:28:22.456 1000 20774 20872 I DisplayManagerService: Display device changed state: "Pantalla integrada", DOZE

06-19 08:28:22.734 1000 20774 20774 V FingerprintService: onAuthenticated(owner=com.android.systemui, id=-1112942340, gp=0)

06-19 08:28:22.743 1000 20774 20774 V FingerprintService: Done with client: com.android.systemui

06-19 08:28:22.744 1000 20774 20774 V FingerprintService: setNavigationState: false

06-19 08:28:22.744 1000 865 1090 I SFPerfTracer: triggers: (rate: 74:1905) (4157093 sw vsyncs) (0 skipped) (0:2687627 vsyncs) (24:6938019)

06-19 08:28:22.746 1000 20774 20774 D StatusBarManagerService: showing navigation bar...

06-19 08:28:22.751 1000 20774 31349 I PowerManagerService: Waking up from dozing (uid 10071)...

06-19 08:28:22.753 1000 20774 31349 I DreamManagerService: Leaving dreamland.

06-19 08:28:22.754 1000 20774 20870 I DreamManagerService: Performing gentle wake from dream.

06-19 08:28:22.754 1000 20774 20870 I DreamController: Stopping dream: name=ComponentInfo{com.motorola.motodisplay/com.motorola.motodisplay.DozeService}, isTest=false, canDoze=true, userId=0

06-19 08:28:22.793 1000 20774 20872 I DisplayManagerService: Display device changed state: "Pantalla integrada", ON

06-19 08:28:22.797 1000 20774 20844 E BatteryStatsService: no controller energy info supplied

06-19 08:28:22.849 1000 20774 20774 V FingerprintService: startAuthentication(com.android.systemui)

06-19 08:28:22.850 1000 20774 20774 V FingerprintService: starting client AuthenticationClient(com.android.systemui), initiatedByClient = true)

06-19 08:28:22.856 1000 20774 20844 E BatteryStatsService: modem info is invalid: ModemActivityInfo{ mTimestamp=578489247 mSleepTimeMs=17134 mIdleTimeMs=-51 mTxTimeMs[]=[161, 183, 251, 252, 0] mRxTimeMs=9706 mEnergyUsed=0}

06-19 08:28:22.856 1000 20774 20774 W FingerprintService: client com.android.systemui is authenticating...

06-19 08:28:22.871 wifi 20657 20657 I wificond: Pno scan stopped

06-19 08:28:22.983 1000 20774 20774 V FingerprintService: stop client com.android.systemui

06-19 08:28:23.034 1000 20774 20774 W FingerprintService: client com.android.systemui is no longer authenticating

06-19 08:28:23.043 1000 20774 20774 V FingerprintService: Done with client: com.android.systemui

06-19 08:28:23.043 1000 20774 20774 V FingerprintService: setNavigationState: true

06-19 08:28:23.044 1000 20774 20774 V FingerprintService: handleError(client=com.android.systemui, error = 5)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: *** FATAL EXCEPTION IN SYSTEM PROCESS: TaskSnapshotPersister

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: java.lang.IllegalArgumentException: width and height must be > 0

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at android.graphics.Bitmap.createBitmap(Bitmap.java:1027)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at android.graphics.Bitmap.createBitmap(Bitmap.java:994)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at android.graphics.Bitmap.createBitmap(Bitmap.java:944)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at android.graphics.Bitmap.createBitmap(Bitmap.java:865)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at android.graphics.Bitmap.createScaledBitmap(Bitmap.java:735)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at com.android.server.wm.TaskSnapshotPersister$StoreWriteQueueItem.writeBuffer(TaskSnapshotPersister.java:329)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at com.android.server.wm.TaskSnapshotPersister$StoreWriteQueueItem.write(TaskSnapshotPersister.java:292)

06-19 08:28:23.071 1000 20774 20992 E AndroidRuntime: at com.android.server.wm.TaskSnapshotPersister$1.run(TaskSnapshotPersister.java:226)

06-19 08:28:23.083 1000 20774 20840 I ActivityManager: moveHomeStack, setupComplete:true

06-19 08:28:23.305 10089 21028 21028 E AndroidRuntime: FATAL EXCEPTION: main

06-19 08:28:23.305 10089 21028 21028 E AndroidRuntime: Process: com.android.systemui, PID: 21028

06-19 08:28:23.305 10089 21028 21028 E AndroidRuntime: DeadSystemException: The system died; earlier logs will point to the root cause

06-19 08:28:23.306 10095 22097 22097 E AndroidRuntime: FATAL EXCEPTION: main

06-19 08:28:23.306 10095 22097 22097 E AndroidRuntime: Process: com.google.android.googlequicksearchbox:search, PID: 22097

06-19 08:28:23.306 10095 22097 22097 E AndroidRuntime: DeadSystemException: The system died; earlier logs will point to the root cause

06-19 08:28:23.308 10167 21900 21900 E AndroidRuntime: FATAL EXCEPTION: main

06-19 08:28:23.308 10167 21900 21900 E AndroidRuntime: Process: com.google.android.apps.nexuslauncher, PID: 21900

06-19 08:28:23.308 10167 21900 21900 E AndroidRuntime: DeadSystemException: The system died; earlier logs will point to the root cause

06-19 08:28:23.310 radio 21209 21314 E AndroidRuntime: FATAL EXCEPTION: DcHandlerThread

06-19 08:28:23.310 radio 21209 21314 E AndroidRuntime: Process: com.android.phone, PID: 21209

06-19 08:28:23.310 radio 21209 21314 E AndroidRuntime: DeadSystemException: The system died; earlier logs will point to the root cause

06-19 08:28:23.336 10144 23485 14630 E AndroidRuntime: FATAL EXCEPTION: IntentService[RowWidgetUpdater2]

06-19 08:28:23.336 10144 23485 14630 E AndroidRuntime: Process: com.motorola.timeweatherwidget, PID: 23485

06-19 08:28:23.336 10144 23485 14630 E AndroidRuntime: DeadSystemException: The system died; earlier logs will point to the root cause

06-19 08:28:23.622 wifi 14667 14667 I wificond: wificond is starting up...

06-19 08:28:23.808 wifi 14667 14667 W wificond: No handler for scan result notification from interface with index: 24