I can confirm that this annoying issue is still present in 11.10 and i.e. also affects Lenovo Edge 11 AMD. Since some time it got even worse. There are some indications that the issue is caused by some interferences with the WLAN Driver. There was a upstream bug report at https://bugzilla.kernel.org/show_bug.cgi?id=8740 but this has been closed due to inactivity.
** Bug watch added: Linux Kernel Bug Tracker #8740 http://bugzilla.kernel.org/show_bug.cgi?id=8740 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to 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/ubuntu/+source/linux/+bug/896922/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
