[Bug 1722478]

[contact.han]

Created attachment 294373
attachment-28066-0.html

I'm also experiencing periodic jitteryness of the touchpad tracking, but
I've no clue as to how to reproduce it. It seeming starts at random, and
causes any sort of tracking to make the cursor jump vertically (oddly
never horizontally) while being moved. This may be a hardware issue, but
since I'm unable to test the patch I will have to try it when it gets
merged.

28 Aralık 2020 Pazartesi tarihinde, 12:29 saatinde, bugzilla-daemon at bugzilla.kernel.org şöyle yazmış:
> https://bugzilla.kernel.org/show_bug.cgi?id=196719
> 
> Justin Busby (jb.kernel at fastmail.com) changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |jb.kernel at fastmail.com
> 
> --- Comment #15 from Justin Busby (jb.kernel at fastmail.com) ---
> I've submitted a fix to the input maintainers. I've been running this since
> the
> 23rd and it seems to be fine. No need to pass any params to the driver to
> change the protocol or anything like that.
> 
> It's yet to be reviewed but since it's a single line change I'd hope it'll
> get
> look at at some point soon.
> 
> You can test the patch yourself in your own build.
> 
>
> https://patchwork.kernel.org/project/linux-input/patch/1e2e981b-05af-43a7-bdfe-424d8783d28f@www.fastmail.com/
> 
> -- 
> You may reply to this email to add a comment.
> 
> You are receiving this mail because:
> You are on the CC list for the bug.

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to kmod in Ubuntu.
https://bugs.launchpad.net/bugs/1722478

Title:
  Two-finger scrolling and click-and-drag no longer works after resuming
  from suspend

Status in Linux:
  Confirmed
Status in kmod package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Invalid

Bug description:
  I own a Thinkpad T440p onto which I have had Debian 9 running without
  hardware issues. I have recently installed Ubuntu 17.10 final beta to
  test it out, but two-finger scrolling does not work at the moment. It
  used to work out-of-the-box from the final beta iso, but a subsequent
  update broke it.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: linux-image-4.13.0-12-generic 4.13.0-12.13 [modified: boot/vmlinuz-4.13.0-12-generic]
  ProcVersionSignature: Ubuntu 4.13.0-12.13-generic 4.13.3
  Uname: Linux 4.13.0-12-generic x86_64
  ApportVersion: 2.20.7-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ghislain  10620 F.... pulseaudio
   /dev/snd/controlC0:  ghislain  10620 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Oct 10 09:20:01 2017
  HibernationDevice: RESUME=UUID=ae4cca1e-80ef-4a1e-87e3-0a860b49492e
  InstallationDate: Installed on 2017-10-05 (4 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
  MachineType: LENOVO 20AN00C1UK
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-12-generic root=/dev/mapper/doc1485--lap--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.13.0-12-generic N/A
   linux-backports-modules-4.13.0-12-generic  N/A
   linux-firmware                             1.169
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/31/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GLET83WW (2.37 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20AN00C1UK
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGLET83WW(2.37):bd03/31/2016:svnLENOVO:pn20AN00C1UK:pvrThinkPadT440p:rvnLENOVO:rn20AN00C1UK:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.family: ThinkPad T440p
  dmi.product.name: 20AN00C1UK
  dmi.product.version: ThinkPad T440p
  dmi.sys.vendor: LENOVO

To manage notifications about this bug go to:
https://bugs.launchpad.net/linux/+bug/1722478/+subscriptions