Ubuntu
linux package

  1. Bug #1722478
  2. Comment #72

Comment 72 for bug 1722478

Revision history for this message
David Chalmers (dchalmers) wrote : Re: Two-finger scrolling no longer works after resuming from suspend

Also on ThinkPad X1 Carbon 5th
Linux x1-cosmic 4.18.0-10-generic #11-Ubuntu SMP Thu Oct 11 15:13:55 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

Synaptics touchpad
xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=11 [slave pointer (2)]
⎜ ↳ TPPS/2 ALPS TrackPoint id=12 [slave pointer (2)]

Two finger scroll reproducibly stops working after suspend.

workaround of editing /etc/defaults/grub line to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash psmouse.synaptics_intertouch=0"

does work.