[Expired for xorg-server (Ubuntu) because there has been no activity for
60 days.]

** Changed in: xorg-server (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1893638

Title:
  X forgets middle mouse button exists

Status in xorg-server package in Ubuntu:
  Expired

Bug description:
  Assuming this is the xorg package but could be wrong.

  Running a Logitech MX master 3 mouse, the middle mouse copy/paste
  isn't working out the box or is only working intermittently on boot.
  Using 'xinput --list-props 15' I'm seeing that the 'Middle Emulation
  Enabled (298)' is set to 0. If I set this to '1' by using 'xinput
  --set-prop 15 298 1' then turn the mouse off/on then I regain
  functionality. If I then switch to another computer attached to my KVM
  switch and back to this machine, the input is lost again. Attempting
  to set the default (299) value results in this error:

  X Error of failed request:  BadAccess (attempt to access private resource 
denied)
    Major opcode of failed request:  131 (XInputExtension)
    Minor opcode of failed request:  57 ()
    Serial number of failed request:  20
    Current serial number in output stream:  21

  I can script this to get around it, it's just messy and unnecessary

  
  Copy of output from xinput --list-props:

  Device 'Logitech MX Master 3':
        Device Enabled (155):   1
        Coordinate Transformation Matrix (157): 1.000000, 0.000000, 0.000000, 
0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        libinput Natural Scrolling Enabled (291):       0
        libinput Natural Scrolling Enabled Default (292):       0
        libinput Scroll Methods Available (293):        0, 0, 1
        libinput Scroll Method Enabled (294):   0, 0, 0
        libinput Scroll Method Enabled Default (295):   0, 0, 0
        libinput Button Scrolling Button (296): 2
        libinput Button Scrolling Button Default (297): 2
        libinput Middle Emulation Enabled (298):        0
        libinput Middle Emulation Enabled Default (299):        0
        libinput Accel Speed (300):     0.000000
        libinput Accel Speed Default (301):     0.000000
        libinput Accel Profiles Available (302):        1, 1
        libinput Accel Profile Enabled (303):   1, 0
        libinput Accel Profile Enabled Default (304):   1, 0
        libinput Left Handed Enabled (305):     0
        libinput Left Handed Enabled Default (306):     0
        libinput Send Events Modes Available (276):     1, 0
        libinput Send Events Mode Enabled (277):        0, 0
        libinput Send Events Mode Enabled Default (278):        0, 0
        Device Node (279):      "/dev/input/event8"
        Device Product ID (280):        1133, 16514
        libinput Drag Lock Buttons (307):       <no items>
        libinput Horizontal Scroll Enabled (308):       1
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27.8
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 20.04
  InstallationDate: Installed on 2020-08-30 (0 days ago)
  InstallationMedia: Xubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 
(20200731)
  NonfreeKernelModules: nvidia_modeset nvidia
  Package: xfce4-settings 4.14.3-0ubuntu1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
  Tags:  focal
  Uname: Linux 5.4.0-42-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True

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