Comment 69 for bug 636311

In my case, event3 will be fired when pressing normal keys and event4 will be fired when pressing the multimedia keys. So here's my input-event for device4 when pressing a volume key. After this the mouse pointer jumped to the upper left corner.

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felix@pc:~$ sudo input-events 4
/dev/input/event4
   bustype : BUS_USB
   vendor : 0x45e
   product : 0x750
   version : 273
   name : "Microsoft Wired Keyboard 600"
   phys : "usb-0000:00:12.1-2/input1"
   uniq : ""
   bits ev : EV_SYN EV_KEY EV_REL EV_ABS EV_MSC EV_REP

waiting for events
10:24:33.894621: EV_MSC code=4 value=786665
10:24:33.894638: EV_KEY KEY_VOLUMEUP (0x73) pressed
10:24:33.894660: EV_SYN code=0 value=0
10:24:34.038652: EV_MSC code=4 value=786665
10:24:34.038669: EV_KEY KEY_VOLUMEUP (0x73) released
10:24:34.038693: EV_SYN code=0 value=0
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