It doesn't look like a power management issue, somehow the trackpad just stop responding during a short usage.
Can you please boot with kernel parameter "dyndbg='file drivers/usb/* +p' log_buf_len=16M" and attach dmesg? -- 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/1877655 Title: [Dell Venue 11 Pro 7140] Trackpad does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1877655/+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
