Jaap, please attach dmesg, thanks!

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https://bugs.launchpad.net/bugs/1787743

Title:
  Slow USB mouse input on linux-lowlatency

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  USB mouse input is very slow and "laggy" onscreen after switching over
  from the generic 'linux' kernel to 'linux-lowlatency.'

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-lowlatency 4.15.0.32.34
  ProcVersionSignature: Ubuntu 4.15.0-32.35-lowlatency 4.15.18
  Uname: Linux 4.15.0-32-lowlatency x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  jeb        1710 F.... pulseaudio
   /dev/snd/controlC1:  jeb        1710 F.... pulseaudio
   /dev/snd/controlC0:  jeb        1710 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Aug 18 12:41:52 2018
  InstallationDate: Installed on 2018-08-17 (1 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  MachineType: BIOSTAR Group A880G+
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-lowlatency 
root=UUID=a967adb1-1600-455b-8704-e2bf5de5081d ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-32-lowlatency N/A
   linux-backports-modules-4.15.0-32-lowlatency  N/A
   linux-firmware                                1.173.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/21/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080016
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: A880G+
  dmi.board.vendor: BIOSTAR Group
  dmi.chassis.asset.tag: None
  dmi.chassis.type: 3
  dmi.chassis.vendor: BIOSTAR Group
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr080016:bd09/21/2011:svnBIOSTARGroup:pnA880G+:pvr:rvnBIOSTARGroup:rnA880G+:rvr:cvnBIOSTARGroup:ct3:cvr:
  dmi.product.family: To Be Filled By O.E.M.
  dmi.product.name: A880G+
  dmi.sys.vendor: BIOSTAR Group

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