With libinput 1.10.3-2, the crash doesn't happen anymore. I just get these EE lines in /var/log/syslog when I repeat the gesture that previously crashed it (and these were there with the older libinput as well):
Mar 21 08:50:26 nsnx /usr/lib/gdm3/gdm-x-session[4968]: (EE) event5 - SynPS/2 Synaptics TouchPad: kernel bug: Touch jump detected and discarded. Mar 21 08:50:26 nsnx /usr/lib/gdm3/gdm-x-session[4968]: See https://wayland.freedesktop.org/libinput/doc/1.10.3/touchpad_jumping_cursor.html for details Mar 21 08:50:27 nsnx /usr/lib/gdm3/gdm-x-session[4968]: (EE) event5 - SynPS/2 Synaptics TouchPad: kernel bug: Touch jump detected and discarded. Mar 21 08:50:27 nsnx /usr/lib/gdm3/gdm-x-session[4968]: See https://wayland.freedesktop.org/libinput/doc/1.10.3/touchpad_jumping_cursor.html for details -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libinput in Ubuntu. https://bugs.launchpad.net/bugs/1751086 Title: Xorg assert failure: Xorg: ../src/evdev-mt-touchpad-tap.c:1002: tp_tap_handle_state: Assertion `tp->tap.nfingers_down > 0' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/libinput/+bug/1751086/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
