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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
** Affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-collected focal
--
X forgets middle mouse button exists
https://bugs.launchpad.net/bugs/1893638
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