GreenSkol:

>"FYI, it seems that Andrew Duggan is not in the list of maintainers of
the hid module (I couldn't find his address)"

Please execute the following for more on this:
modinfo hid-rmi

** Tags removed: kernel-bug-exists-upstream-4.8-rc4
** Tags added: kernel-bug-exists-upstream-4.8-rc5

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https://bugs.launchpad.net/bugs/1611081

Title:
  [HP Pavilion x2 - 12-b003nf (ENERGY STAR)] Synaptics touchpad not
  configured by HID RMI

Status in linux package in Ubuntu:
  Triaged

Bug description:
  Hello,

  The touchpad on the HP Pavilion X2 is not configured properly by
  hid_rmi and therefore is not detected at all later on by Xorg.

  The following can be seen in kern.log:

  Aug  8 20:11:45 X2 kernel: [    4.201783] hid-rmi 0003:06CB:7D29.0001: 
Scanning PDT...
  Aug  8 20:11:45 X2 kernel: [    4.203792] hid-rmi 0003:06CB:7D29.0001: Found 
F34 on page 0x00
  Aug  8 20:11:45 X2 kernel: [    4.211498] hid-rmi 0003:06CB:7D29.0001: Found 
F01 on page 0x00
  Aug  8 20:11:45 X2 kernel: [    4.213905] hid-rmi 0003:06CB:7D29.0001: Found 
F12 on page 0x00
  Aug  8 20:11:45 X2 kernel: [    4.218779] hid-rmi 0003:06CB:7D29.0001: Found 
F54 on page 0x01
  Aug  8 20:11:45 X2 kernel: [    4.224524] hid-rmi 0003:06CB:7D29.0001: Found 
F30 on page 0x02
  Aug  8 20:11:45 X2 kernel: [    4.229785] hid-rmi 0003:06CB:7D29.0001: Found 
F55 on page 0x03
  Aug  8 20:11:45 X2 kernel: [    4.235778] hid-rmi 0003:06CB:7D29.0001: Found 
F51 on page 0x04
  Aug  8 20:11:45 X2 kernel: [    4.240853] hid-rmi 0003:06CB:7D29.0001: 
rmi_scan_pdt: Done with PDT scan.
  Aug  8 20:11:45 X2 kernel: [    4.254044] hid-rmi 0003:06CB:7D29.0001: No 2D 
sensor found, giving up.
  Aug  8 20:11:45 X2 kernel: [    4.254052] hid-rmi 0003:06CB:7D29.0001: Error 
while initializing F11 (-19).
  Aug  8 20:11:45 X2 kernel: [    4.260475] hid-rmi 0003:06CB:7D29.0001: 
hiddev0,hidraw2: USB HID v1.11 Mouse [SYNAPTICS Synaptics HIDUSB TouchPad V03] 
on usb-0000:00:14.0-2.1/input0
  Aug  8 20:11:45 X2 kernel: [    4.260482] hid-rmi 0003:06CB:7D29.0001: Device 
failed to be properly configured

  
  I'll attach dmesg, devices & xOrg log to this bug.

  Workaround: touchpad can be detected by hid_generic if blacklisting hid_rmi 
but is then lacking scrolling/multi-touch functionalities.
  --- 
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  greenskol   3454 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=bd8f9fbe-28b6-433f-9543-894034b9586d
  InstallationDate: Installed on 2016-08-02 (6 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 
(20160719)
  MachineType: HP HP Pavilion x2 Detachable
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic.efi.signed 
root=UUID=8455b162-d9c3-4f18-92b8-7b88707ecbba ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-31-generic N/A
   linux-backports-modules-4.4.0-31-generic  N/A
   linux-firmware                            1.157.2
  Tags:  xenial
  Uname: Linux 4.4.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/27/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F.04
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 8181
  dmi.board.vendor: HP
  dmi.board.version: 42.13
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF.04:bd11/27/2015:svnHP:pnHPPavilionx2Detachable:pvr:rvnHP:rn8181:rvr42.13:cvnHP:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion x2 Detachable
  dmi.sys.vendor: HP

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