I'm getting the same problem in 15.10 on a Lenovo Thinkpad Yoga S1. Strange thing is it sometimes works fine for ages, then other times it drops out every few seconds; enough to make it unusable.
syslog shows the following during a dropout: Mar 1 16:07:54 vikyoga kernel: [26685.609961] psmouse serio1: TouchPad at isa0060/serio1/input0 lost synchronization, throwing 3 bytes away. Mar 1 16:07:54 vikyoga kernel: [26686.120271] psmouse serio1: resync failed, issuing reconnect request Mar 1 16:07:55 vikyoga kernel: [26686.967293] psmouse serio1: synaptics: queried max coordinates: x [..5708], y [..4698] Mar 1 16:07:55 vikyoga kernel: [26687.012599] psmouse serio1: synaptics: queried min coordinates: x [1232..], y [1156..] Mar 1 16:07:55 vikyoga kernel: [26687.012605] psmouse serio1: synaptics: quirked min/max coordinates: x [1232..5710], y [1156..4696] Mar 1 16:08:09 vikyoga kernel: [26700.751279] psmouse serio1: TouchPad at isa0060/serio1/input0 lost synchronization, throwing 3 bytes away. Mar 1 16:08:09 vikyoga kernel: [26701.264229] psmouse serio1: resync failed, issuing reconnect request Mar 1 16:08:10 vikyoga kernel: [26701.947059] psmouse serio1: synaptics: Unable to query device. Mar 1 16:08:10 vikyoga kernel: [26702.077439] psmouse serio1: Failed to deactivate mouse on isa0060/serio1 Mar 1 16:08:10 vikyoga kernel: [26702.241110] psmouse serio1: Failed to enable mouse on isa0060/serio1 Mar 1 16:08:14 vikyoga kernel: [26706.283941] psmouse serio1: synaptics: queried max coordinates: x [..5708], y [..4698] Mar 1 16:08:15 vikyoga kernel: [26706.329401] psmouse serio1: synaptics: queried min coordinates: x [1232..], y [1156..] Mar 1 16:08:15 vikyoga kernel: [26706.329406] psmouse serio1: synaptics: quirked min/max coordinates: x [1232..5710], y [1156..4696] Mar 1 16:08:15 vikyoga kernel: [26706.413421] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd002a3/0x940300/0x12f800/0x0, board id: 2911, fw id: 2560 Mar 1 16:08:15 vikyoga kernel: [26706.413429] psmouse serio1: synaptics: serio: Synaptics pass-through port at isa0060/serio1/input0 Mar 1 16:08:15 vikyoga kernel: [26706.466911] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input72 Mar 1 16:08:21 vikyoga kernel: [26712.360511] psmouse serio7: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3 Mar 1 16:08:21 vikyoga kernel: [26712.641868] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio7/input/input73 Mar 1 16:08:13 vikyoga com.canonical.Unity.Scope.Home[16215]: message repeated 10 times: [ (unity-scope-home:23786): unity-scope-home-WARNING **: scope.vala:235: Failed to get list of remote scopes: Request failed with error 2] Mar 1 16:08:23 vikyoga com.canonical.Unity.Scope.File.Gdrive[16215]: Search changed to: '' -- 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