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[Bug 1482932] Re: Touchpad doesn't work after 15.04 upgrade.


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.2 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc6-unstable/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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  Touchpad doesn't work after 15.04 upgrade.

Status in linux package in Ubuntu:

Bug description:
  Touchpad doesn't work after 15.04 upgrade. Followed debug steps here.
  https://wiki.ubuntu.com/DebuggingTouchpadDetection. External mouse
  worked, so I used step 2 however no result was returned by 'cat
  /proc/bus/input/devices' that mentioned a touchpad. Hence why this is
  filed as a linux package bug. Attached are ~/dmesg, ~/devices, and
  /var/log/Xorg.0.log. as requested by the article I referenced earlier.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-25-generic 3.19.0-25.26
  ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.2
  Architecture: amd64
   /dev/snd/controlC0:  sam        1525 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Aug  9 00:22:03 2015
  HibernationDevice: RESUME=UUID=c8a02800-44aa-4050-98db-34c5a49945bd
  InstallationDate: Installed on 2014-06-06 (428 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Google Parrot
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-25-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
   linux-restricted-modules-3.19.0-25-generic N/A
   linux-backports-modules-3.19.0-25-generic  N/A
   linux-firmware                             1.143.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-08-08 (0 days ago)
  dmi.bios.date: 10/27/2013
  dmi.bios.vendor: coreboot
  dmi.bios.version: 4.0-4745-g1ce4860-dirty
  dmi.chassis.type: 3
  dmi.chassis.vendor: Google
  dmi.modalias: dmi:bvncoreboot:bvr4.0-4745-g1ce4860-dirty:bd10/27/2013:svnGoogle:pnParrot:pvr1.0:cvnGoogle:ct3:cvr:
  dmi.product.name: Parrot
  dmi.product.version: 1.0
  dmi.sys.vendor: Google

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