I have a Thinkpad X1 Carbon 5th gen, and am also affected. Modprobing psmouse also temporarily fixes for me (but if comes back if I close the lid of my laptop and wake it up again), and adding the synaptics_intertouch option in grub also seems to prevent it from coming back.
It only started happening in the last few days, and I generally install updates whenever they are available, though I haven't been using my laptop every day (so it may have started happening in the last week or two at most). I'm surprised it did only start recently, given this bug was filed a while back. $ uname -a Linux x1carbon 4.15.0-36-generic #39-Ubuntu SMP Mon Sep 24 16:19:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: bionic $ sudo apt-get install libinput-tools & sudo libinput list-devices Device: SynPS/2 Synaptics TouchPad Kernel: /dev/input/event6 Group: 8 Seat: seat0, default Size: 100x56mm Capabilities: pointer gesture Tap-to-click: disabled Tap-and-drag: enabled Tap drag lock: disabled Left-handed: disabled Nat.scrolling: disabled Middle emulation: disabled Calibration: n/a Scroll methods: *two-finger edge Click methods: *button-areas clickfinger Disable-w-typing: enabled Accel profiles: none Rotation: n/a -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722478 Title: Two-finger scrolling no longer works after resuming from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1722478/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
