I can reproduce this (not reliable) on a Tega v2 (aka Viewpad 10, aka Nexoc Pad 10). Touchscreen is reported as "1d6b:0002 Hanvon 10.1 Touch screen overlay". xev reports a mousebutton release, but no press/keydown/whatever it is shown.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1015183 Title: Inconsistent mouse events for Acer T231H multitouch monitor To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1015183/+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