Looking at the logs I noticed that every disconnect threw a line with an UPower debug message. It appears that the xfce4-power-manager was using this daemon to poll the trackpad now and then for its battery level. What seems to have fixed the issue for me is to completely disable and uninstall UPower and xfce4-power-manager.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1385113 Title: hid-generic 0005:099A:0500.0001: unknown main item tag 0x0 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1385113/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
