If it helps /dev/input/mice is showing wrong, for example vertical movement or scrolling is not reported.
So it should not be an Xorg problem, right?
dmesg:
Code:
[56666.448585] usb 5-1: new full speed USB device using uhci_hcd and address 13
[56666.621415] usb 5-1: configuration #1 chosen from 1 choice
[56666.627441] input: Logitech USB Receiver as /class/input/input81
[56666.652627] input: Logitech USB Receiver as /class/input/input82
[56666.679150] input,hiddev96,hidraw0: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.0-1
[56666.679356] usb 5-1: New USB device found, idVendor=046d, idProduct=c526
[56666.679364] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[56666.679370] usb 5-1: Product: USB Receiver
[56666.679375] usb 5-1: Manufacturer: Logitech
What do you recommend?