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[Bug 1272624] Re: [Dell Latitude E7440] 14.04 Touchpad not as smooth as Win7

 

Scott Hosking, the issue you are reporting is an upstream one. Could you
please report this problem through the appropriate channel by following
the instructions _verbatim_ at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?

Please provide a direct URL to your e-mail to the mailing list once you
have made it so that it may be tracked.

Thank you for your understanding.

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

** Description changed:

- This bug report has been produced to help improve the touchpad on a Dell
- Latitude E7440 on Ubuntu 14.04 alpha.
- 
  From the live usb the touchpad seems less jerky compared to ubuntu 13.10
  but is still not as smooth as Windows 7.
+ 
+ This may be due to how the touchpad is detected as a PS/2 mouse instead of a more appropriate touchpad driver:
+ https://launchpadlibrarian.net/163664336/BootDmesg.txt
+ [    4.088881] mousedev: PS/2 mouse device common for all mice
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-5-generic 3.13.0-5.20
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     4246 F.... pulseaudio
   /dev/snd/controlC1:  ubuntu     4246 F.... pulseaudio
  CasperVersion: 1.336ubuntu1
  CurrentDesktop: Unity
  Date: Sat Jan 25 06:50:44 2014
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140124)
  MachineType: Dell Inc. Latitude E7440
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-5-generic N/A
   linux-backports-modules-3.13.0-5-generic  N/A
   linux-firmware                            1.122
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/02/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0PPXP5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/02/2014:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn0PPXP5:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E7440
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

-- 
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https://bugs.launchpad.net/bugs/1272624

Title:
  [Dell Latitude E7440] 14.04 Touchpad not as smooth as Win7

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  From the live usb the touchpad seems less jerky compared to ubuntu
  13.10 but is still not as smooth as Windows 7.

  This may be due to how the touchpad is detected as a PS/2 mouse instead of a more appropriate touchpad driver:
  https://launchpadlibrarian.net/163664336/BootDmesg.txt
  [    4.088881] mousedev: PS/2 mouse device common for all mice

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-5-generic 3.13.0-5.20
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     4246 F.... pulseaudio
   /dev/snd/controlC1:  ubuntu     4246 F.... pulseaudio
  CasperVersion: 1.336ubuntu1
  CurrentDesktop: Unity
  Date: Sat Jan 25 06:50:44 2014
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140124)
  MachineType: Dell Inc. Latitude E7440
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-5-generic N/A
   linux-backports-modules-3.13.0-5-generic  N/A
   linux-firmware                            1.122
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/02/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0PPXP5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd01/02/2014:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn0PPXP5:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E7440
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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