[Bug 1519718] Re: Screen doesn't change after connecting a BT mouse and no cursor displayed.

[TarotChen]

Issue happens for arale only when connecting the same BT mouse, but
krillin and mako work as expected.

Here are some more info when connecting with Arale:

phablet at ubuntu-phablet:~$ hciconfig -a
hci0:	Type: BR/EDR  Bus: UART
	BD Address: 38:BC:1A:29:0E:89  ACL MTU: 1021:8  SCO MTU: 244:4
	UP RUNNING 
	RX bytes:5238 acl:67 sco:0 events:163 errors:0
	TX bytes:4660 acl:39 sco:0 commands:91 errors:0
	Features: 0xbf 0x3e 0x8d 0xfe 0xdb 0xff 0x5b 0x87
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH SNIFF 
	Link mode: SLAVE ACCEPT 
	Name: 'MX4 Ubuntu Edition'
	Class: 0x5c0110
	Service Classes: Rendering, Capturing, Object Transfer, Telephony
	Device Class: Computer, Handheld
	HCI Version: 4.0 (0x6)  Revision: 0x0
	LMP Version: 4.0 (0x6)  Subversion: 0x0
	Manufacturer: MediaTek, Inc. (70)


[bluetooth]# show
Controller 38:BC:1A:29:0E:89
	Name: MX4 Ubuntu Edition
	Alias: MX4 Ubuntu Edition
	Class: 0x5c0110
	Powered: yes
	Discoverable: no
	Pairable: yes
	UUIDs:
	  Headset AG                (00001112-0000-1000-8000-00805f9b34fb)
	  Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
	  A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
	  SIM Access                (0000112d-0000-1000-8000-00805f9b34fb)
	  Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)
	  PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
	  A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
	  Audio Source              (0000110a-0000-1000-8000-00805f9b34fb)
	  Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
	  Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb)
	  Phonebook Access Server   (0000112f-0000-1000-8000-00805f9b34fb)
	Modalias: usb:v1D6Bp0246d0523
	Discovering: no
[bluetooth]# devices
Device 00:1F:20:EA:87:6A Bluetooth Mouse M336/M337/M535
[bluetooth]# info 00:1F:20:EA:87:6A
Device 00:1F:20:EA:87:6A
	Name: Bluetooth Mouse M336/M337/M535
	Alias: Bluetooth Mouse M336/M337/M535
	Class: 0x002580
	Icon: input-mouse
	Paired: yes
	Trusted: yes
	Blocked: no
	Connected: yes
	ConnectedProfiles:
	  None
	LegacyPairing: yes
	UUIDs:
	  Service Discovery Serve.. (00001000-0000-1000-8000-00805f9b34fb)
	  Human Interface Device... (00001124-0000-1000-8000-00805f9b34fb)
	  PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
	Modalias: usb:v046DpB014d1200

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https://bugs.launchpad.net/bugs/1519718

Title:
  Screen doesn't change after connecting a BT mouse and no cursor
  displayed.

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