As you can see from this log, I heavily typed and at the same time moved the mouse via touchpad until the lost-sync event was trigged. Immedeately after the event was trigged I switched to terminal using ALT-L+TAB and killed xev with STRG+C.
** Attachment added: "xev.log - 3.11-rc2" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/896922/+attachment/3746771/+files/xev.log -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in Ubuntu. https://bugs.launchpad.net/bugs/896922 Title: Lenovo L520 - "psmouse.c: touchpad at isa0060/serio4/input0 lost sync" and stops working for seconds To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/896922/+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