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[Odysseas Pentakalos <odysseas@xxxxxxxxxxxxx>]

The mainline kernel worked fine with my touchpad.

        linux-
image-3.17.0-031700rc2-generic_3.17.0-031700rc2.201408251935_amd64.deb

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https://bugs.launchpad.net/bugs/1359997

Title:
  Touchpad of HP Chromebook 14 no longer works with latest kernel

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  After the recent upgrade to the 3.13.0-34 kernel the touchpad on the
  HP Chromebook 14 with Ubuntu 14.04 installed via chrubuntu no longer
  works. By booting up with the previous version of the kernel which is
  3.13.0-32, the touch pad works fine.

  $ lsb_release -rd
  Description:	Ubuntu 14.04.1 LTS
  Release:	14.04

  With version 3.13.0-32 lshw returns the following for the serial ports:
          *-serial:0
               description: Serial bus controller
               product: Lynx Point-LP I2C Controller #0
               vendor: Intel Corporation
               physical id: 15.1
               bus info: pci@0000:00:15.1
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: pm bus_master cap_list
               configuration: driver=i2c-designware-pci latency=0
               resources: irq:21 memory:e051a000-e051afff memory:e051b000-e051bfff
          *-serial:1
               description: Serial bus controller
               product: Lynx Point-LP I2C Controller #1
               vendor: Intel Corporation
               physical id: 15.2
               bus info: pci@0000:00:15.2
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: pm bus_master cap_list
               configuration: driver=i2c-designware-pci latency=0
               resources: irq:21 memory:e051c000-e051cfff memory:e051d000-e051dfff

  whereas with 3.13.0-34 it returns:
          *-serial:0 UNCLAIMED
               description: Serial bus controller
               product: Lynx Point-LP I2C Controller #0
               vendor: Intel Corporation
               physical id: 15.1
               bus info: pci@0000:00:15.1
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: pm bus_master cap_list
               configuration: latency=0
               resources: memory:e051a000-e051afff memory:e051b000-e051bfff
          *-serial:1 UNCLAIMED
               description: Serial bus controller
               product: Lynx Point-LP I2C Controller #1
               vendor: Intel Corporation
               physical id: 15.2
               bus info: pci@0000:00:15.2
               version: 04
               width: 32 bits
               clock: 33MHz
               capabilities: pm bus_master cap_list
               configuration: latency=0
               resources: memory:e051c000-e051cfff memory:e051d000-e051dfff
  --- 
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  odysseas   1667 F.... pulseaudio
   /dev/snd/controlC0:  odysseas   1667 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  MachineType: Hewlett-Packard Falco
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=UUID=da0a2ba1-af5e-4893-9a16-bec85f4d2a2f ro quiet splash=verbose
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-34-generic N/A
   linux-backports-modules-3.13.0-34-generic  N/A
   linux-firmware                             1.127.5
  Tags:  trusty
  Uname: Linux 3.13.0-34-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 10/18/2013
  dmi.bios.vendor: coreboot
  dmi.chassis.type: 3
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvncoreboot:bvr:bd10/18/2013:svnHewlett-Packard:pnFalco:pvr1.0:cvnHewlett-Packard:ct3:cvr:
  dmi.product.name: Falco
  dmi.product.version: 1.0
  dmi.sys.vendor: Hewlett-Packard

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