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[Oliver Paul <oliver.paul81@xxxxxxxxxxxxxx>]

Alienware 13 R2. Same Bug. Since 15.10 touchpad is gone.

~$ xinput
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ Logitech Gaming Mouse G402              	id=10	[slave  pointer  (2)]
⎜   ↳ Logitech Gaming Mouse G402              	id=11	[slave  pointer  (2)]
⎜   ↳ SynPS/2 Synaptics TouchPad              	id=14	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ Power Button                            	id=6	[slave  keyboard (3)]
    ↳ Video Bus                               	id=7	[slave  keyboard (3)]
    ↳ Video Bus                               	id=8	[slave  keyboard (3)]
    ↳ Power Button                            	id=9	[slave  keyboard (3)]
    ↳ Integrated_Webcam_HD                    	id=12	[slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard            	id=13	[slave  keyboard (3)]
    ↳ Dell WMI hotkeys                        	id=15	[slave  keyboard (3)]


dmesg | grep SynPS
[    1.951842] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input6

cat /var/log/Xorg.0.log | grep SynPS
[    14.435] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event6)
[    14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
[    14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
[    14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
[    14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
[    14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
[    14.435] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'
[    14.435] (**) SynPS/2 Synaptics TouchPad: always reports core events
[    14.488] (II) synaptics: SynPS/2 Synaptics TouchPad: found clickpad property
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1282 - 5656 (res 0)
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1160 - 4692 (res 0)
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 15
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left double triple
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
[    14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
[    14.488] (**) SynPS/2 Synaptics TouchPad: always reports core events
[    14.528] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 14)
[    14.528] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5
[    14.528] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MaxSpeed is now 1.75
[    14.528] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) AccelFactor is now 0.036
[    14.528] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1
[    14.528] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
[    14.528] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
[    14.528] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
[    14.528] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
[    14.528] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse1)
[    14.528] (**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass "touchpad ignore duplicates"

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https://bugs.launchpad.net/bugs/1523738

Title:
  touchpad not working alienware 13 on ubuntu 15.10

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Installed ubuntu 15.10 on alienware 13, touchpad is showing up in xinput list as expected, but is totally unresponsive. Was working fine on 14.05
  --- 
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sean       1610 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.10
  HibernationDevice: RESUME=UUID=ed54b297-8650-46ee-b615-6d543bb47b7a
  InstallationDate: Installed on 2015-12-07 (0 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: Alienware Alienware 13 R2
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-19-generic.efi.signed root=UUID=4c119f73-b6e4-4100-9d32-f6052a303bcf ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-19-generic N/A
   linux-backports-modules-4.2.0-19-generic  N/A
   linux-firmware                            1.149.3
  Tags:  wily
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 10/15/2015
  dmi.bios.vendor: Alienware
  dmi.bios.version: 1.2.0
  dmi.board.name: Alienware 13 R2
  dmi.board.vendor: Alienware
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Alienware
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnAlienware:bvr1.2.0:bd10/15/2015:svnAlienware:pnAlienware13R2:pvr1.2.0:rvnAlienware:rnAlienware13R2:rvrA00:cvnAlienware:ct10:cvrNotSpecified:
  dmi.product.name: Alienware 13 R2
  dmi.product.version: 1.2.0
  dmi.sys.vendor: Alienware

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