Ok, some help:
/dev/input$ sudo udevadm info --query=all --name=/dev/input/event3 P: /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input5/event3 N: input/event3 S: char/13:67 S: input/by-id/usb-Logitech_USB-PS_2_Optical_Mouse-event-mouse S: input/by-path/pci-0000:00:1d.0-usb-0:2:1.0-event-mouse E: UDEV_LOG=3 E: DEVPATH=/devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input5/event3 E: MAJOR=13 E: MINOR=67 E: DEVNAME=/dev/input/event3 E: ID_VENDOR=Logitech E: ID_VENDOR_ENC=Logitech E: ID_VENDOR_ID=046d E: ID_MODEL=USB-PS_2_Optical_Mouse E: ID_MODEL_ENC=USB-PS\x2f2\x20Optical\x20Mouse E: ID_MODEL_ID=c01b E: ID_REVISION=1800 E: ID_SERIAL=Logitech_USB-PS_2_Optical_Mouse E: ID_TYPE=hid E: ID_BUS=usb E: ID_USB_INTERFACES=:030102: E: ID_USB_INTERFACE_NUM=00 E: ID_USB_DRIVER=usbhid E: ID_CLASS=mouse E: ID_PATH=pci-0000:00:1d.0-usb-0:2:1.0 E: DMI_VENDOR=Dell Computer Corporation E: DEVLINKS=/dev/char/13:67 /dev/input/by-id/usb-Logitech_USB-PS_2_Optical_Mouse-event-mouse /dev/input/by-path/pci-0000:00:1d.0-usb-0:2:1.0-event-mouse
/dev/input$ sudo udevadm info --query=all --name=/dev/input/mouse1 P: /devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input5/mouse1 N: input/mouse1 S: char/13:33 S: input/by-id/usb-Logitech_USB-PS_2_Optical_Mouse-mouse S: input/by-path/pci-0000:00:1d.0-usb-0:2:1.0-mouse E: UDEV_LOG=3 E: DEVPATH=/devices/pci0000:00/0000:00:1d.0/usb2/2-2/2-2:1.0/input/input5/mouse1 E: MAJOR=13 E: MINOR=33 E: DEVNAME=/dev/input/mouse1 E: ID_VENDOR=Logitech E: ID_VENDOR_ENC=Logitech E: ID_VENDOR_ID=046d E: ID_MODEL=USB-PS_2_Optical_Mouse E: ID_MODEL_ENC=USB-PS\x2f2\x20Optical\x20Mouse E: ID_MODEL_ID=c01b E: ID_REVISION=1800 E: ID_SERIAL=Logitech_USB-PS_2_Optical_Mouse E: ID_TYPE=hid E: ID_BUS=usb E: ID_USB_INTERFACES=:030102: E: ID_USB_INTERFACE_NUM=00 E: ID_USB_DRIVER=usbhid E: ID_CLASS=mouse E: ID_PATH=pci-0000:00:1d.0-usb-0:2:1.0 E: DEVLINKS=/dev/char/13:33 /dev/input/by-id/usb-Logitech_USB-PS_2_Optical_Mouse-mouse /dev/input/by-path/pci-0000:00:1d.0-usb-0:2:1.0-mouse
/dev/input$ sudo rm event3
After removing the "event" version of the mouse device, the ghost clicks slowed dramatically for several minutes. Then they started to pick back up while I was typing this, so probably coincidence. :(
Ok, some help:
/dev/input$ sudo udevadm info --query=all --name= /dev/input/ event3 pci0000: 00/0000: 00:1d.0/ usb2/2- 2/2-2:1. 0/input/ input5/ event3 id/usb- Logitech_ USB-PS_ 2_Optical_ Mouse-event- mouse path/pci- 0000:00: 1d.0-usb- 0:2:1.0- event-mouse /devices/ pci0000: 00/0000: 00:1d.0/ usb2/2- 2/2-2:1. 0/input/ input5/ event3 /dev/input/ event3 ENC=Logitech USB-PS_ 2_Optical_ Mouse ENC=USB- PS\x2f2\ x20Optical\ x20Mouse Logitech_ USB-PS_ 2_Optical_ Mouse INTERFACES= :030102: INTERFACE_ NUM=00 DRIVER= usbhid pci-0000: 00:1d.0- usb-0:2: 1.0 /dev/char/ 13:67 /dev/input/ by-id/usb- Logitech_ USB-PS_ 2_Optical_ Mouse-event- mouse /dev/input/ by-path/ pci-0000: 00:1d.0- usb-0:2: 1.0-event- mouse
P: /devices/
N: input/event3
S: char/13:67
S: input/by-
S: input/by-
E: UDEV_LOG=3
E: DEVPATH=
E: MAJOR=13
E: MINOR=67
E: DEVNAME=
E: ID_VENDOR=Logitech
E: ID_VENDOR_
E: ID_VENDOR_ID=046d
E: ID_MODEL=
E: ID_MODEL_
E: ID_MODEL_ID=c01b
E: ID_REVISION=1800
E: ID_SERIAL=
E: ID_TYPE=hid
E: ID_BUS=usb
E: ID_USB_
E: ID_USB_
E: ID_USB_
E: ID_CLASS=mouse
E: ID_PATH=
E: DMI_VENDOR=Dell Computer Corporation
E: DEVLINKS=
/dev/input$ sudo udevadm info --query=all --name= /dev/input/ mouse1 pci0000: 00/0000: 00:1d.0/ usb2/2- 2/2-2:1. 0/input/ input5/ mouse1 id/usb- Logitech_ USB-PS_ 2_Optical_ Mouse-mouse path/pci- 0000:00: 1d.0-usb- 0:2:1.0- mouse /devices/ pci0000: 00/0000: 00:1d.0/ usb2/2- 2/2-2:1. 0/input/ input5/ mouse1 /dev/input/ mouse1 ENC=Logitech USB-PS_ 2_Optical_ Mouse ENC=USB- PS\x2f2\ x20Optical\ x20Mouse Logitech_ USB-PS_ 2_Optical_ Mouse INTERFACES= :030102: INTERFACE_ NUM=00 DRIVER= usbhid pci-0000: 00:1d.0- usb-0:2: 1.0 /dev/char/ 13:33 /dev/input/ by-id/usb- Logitech_ USB-PS_ 2_Optical_ Mouse-mouse /dev/input/ by-path/ pci-0000: 00:1d.0- usb-0:2: 1.0-mouse
P: /devices/
N: input/mouse1
S: char/13:33
S: input/by-
S: input/by-
E: UDEV_LOG=3
E: DEVPATH=
E: MAJOR=13
E: MINOR=33
E: DEVNAME=
E: ID_VENDOR=Logitech
E: ID_VENDOR_
E: ID_VENDOR_ID=046d
E: ID_MODEL=
E: ID_MODEL_
E: ID_MODEL_ID=c01b
E: ID_REVISION=1800
E: ID_SERIAL=
E: ID_TYPE=hid
E: ID_BUS=usb
E: ID_USB_
E: ID_USB_
E: ID_USB_
E: ID_CLASS=mouse
E: ID_PATH=
E: DEVLINKS=
/dev/input$ sudo rm event3
After removing the "event" version of the mouse device, the ghost clicks slowed dramatically for several minutes. Then they started to pick back up while I was typing this, so probably coincidence. :(