I have a similar problem as Ibrahim Awwal. I have just upgraded to 18.04 and my middle click scrolling stopped working.
my output of xinput list-props "TPPS/2 IBM TrackPoint" Device 'TPPS/2 IBM TrackPoint': Device Enabled (143): 1 Coordinate Transformation Matrix (145): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000 libinput Natural Scrolling Enabled (349): 0 libinput Natural Scrolling Enabled Default (350): 0 libinput Scroll Methods Available (351): 0, 0, 1 libinput Scroll Method Enabled (352): 0, 0, 1 libinput Scroll Method Enabled Default (353): 0, 0, 1 libinput Button Scrolling Button (354): 2 libinput Button Scrolling Button Default (355): 2 libinput Middle Emulation Enabled (356): 0 libinput Middle Emulation Enabled Default (357): 0 libinput Accel Speed (358): 0.000000 libinput Accel Speed Default (359): 0.000000 libinput Accel Profiles Available (360): 1, 1 libinput Accel Profile Enabled (361): 1, 0 libinput Accel Profile Enabled Default (362): 1, 0 libinput Left Handed Enabled (363): 0 libinput Left Handed Enabled Default (364): 0 libinput Send Events Modes Available (266): 1, 0 libinput Send Events Mode Enabled (267): 0, 0 libinput Send Events Mode Enabled Default (268): 0, 0 Device Node (269): "/dev/input/event7" Device Product ID (270): 2, 10 libinput Drag Lock Buttons (365): <no items> libinput Horizontal Scroll Enabled (366): 1 Have you fixed your problem within the last year? -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-evdev in Ubuntu. https://bugs.launchpad.net/bugs/1246683 Title: Middle button does not work for scrolling in Ubuntu 13.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-evdev/+bug/1246683/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp