I have Thinkpad x220 with external USB mouse connected. Just found after
upgrade from 13.1 to 13.2 scroll wheel stopped to work.

��� Virtual core pointer                        id=2    [master pointer  (3)]
���   ��� Virtual core XTEST pointer                  id=4    [slave  pointer  (2)]
���   ��� Logitech USB-PS/2 Optical Mouse             id=9    [slave  pointer  (2)]
���   ��� HID 03ee:8801                               id=11    [slave  pointer 
(2)]
���   ��� SynPS/2 Synaptics TouchPad                  id=14    [slave  pointer 
(2)]
���   ��� TPPS/2 IBM TrackPoint                       id=15    [slave  pointer 
(2)]
��� Virtual core keyboard                       id=3    [master keyboard (2)]
    ��� Virtual core XTEST keyboard                 id=5    [slave  keyboard (3)]
    ��� Power Button                                id=6    [slave  keyboard (3)]
    ��� Video Bus                                   id=7    [slave  keyboard (3)]
    ��� Sleep Button                                id=8    [slave  keyboard (3)]
    ��� HID 03ee:8801                               id=10    [slave  keyboard
(3)]
    ��� Integrated Camera                           id=12    [slave  keyboard
(3)]
    ��� AT Translated Set 2 keyboard                id=13    [slave  keyboard
(3)]
    ��� ThinkPad Extra Buttons

Bug ID	912687
Summary	external mouse scroll doesn't work.
Classification	openSUSE
Product	openSUSE Distribution
Version	13.2
Hardware	x86-64
OS	openSUSE 13.2
Status	NEW
Severity	Normal
Priority	P5 - None
Component	X.Org
Assignee	xorg-maintainer-bugs@forge.provo.novell.com
Reporter	dvaleev@suse.com
QA Contact	xorg-maintainer-bugs@forge.provo.novell.com
Found By	---
Blocker	---