kernel-packages team mailing list archive

[Jim Klein <1530502@xxxxxxxxxxxxxxxxxx>]

If you have an option in your BIOS to set the Touchpad to "Basic" mode
(Acer devices have this option, for example), try that. If not, add
i8042.nopnp to the vmlinuz line in grub.cfg and it should work fine.

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https://bugs.launchpad.net/bugs/1530502

Title:
  ASUS (UX305CA) Touchpad does not work.

Status in linux package in Ubuntu:
  Triaged

Bug description:
  ASUS UX305-CA laptop with a clean install of Ubuntu 15.10 and touchpad
  will not work at all. It acts like it isn't even there. This is a
  dual-boot and touchpad works fine on Windows 10. Appears to be an
  Elantech touchpad according to driver details in windows but nothing
  in Ubuntu lists the touchpad. xinput -list shows no touchpad at all,
  just a virtual core XTEST pointer and my wireless mouse.

  Notice this message under dmesg | grep pnp:
  [    0.839653] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-22-generic 4.2.0-22.27
  ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
  Uname: Linux 4.2.0-22-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  greg       1580 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri Jan  1 20:56:47 2016
  HibernationDevice: RESUME=UUID=0543c424-2351-475e-b7b9-e4b67db13bf0
  InstallationDate: Installed on 2015-12-23 (9 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 8087:0a2a Intel Corp.
   Bus 001 Device 003: ID 064e:9700 Suyin Corp. Asus Integrated Webcam
   Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. UX305CA
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-22-generic.efi.signed root=UUID=337207b1-b19f-47d0-82d0-7ec2f3b6f7ab ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-22-generic N/A
   linux-backports-modules-4.2.0-22-generic  N/A
   linux-firmware                            1.149
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/11/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX305CA.201
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX305CA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX305CA.201:bd09/11/2015:svnASUSTeKCOMPUTERINC.:pnUX305CA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX305CA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: UX305CA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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