I've also been having this problem since 16.04. Dell XPS 13" 2015, model L321X. The issue persists in Ubuntu 18.04 LTS, as well as Ubuntu Mint 18.04 LTS. Dell's support page indicates that this issue existed in 14.04, but disappeared in 15.04. This may be a regression.
https://www.dell.com/community/Linux-General/UPDATE-Ubuntu-14-04 -Touchpad-Freezing-Fix-XPS-13-2015/td-p/4587485 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1576844 Title: Touchpad/Trackpad freezes then eventually unfreezes (repeatedly) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1576844/+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
