hid_get_item: Number of items truncated to 255

Hello,

I see this message a couple of times in my dmesg every time I boot and 
I'm wondering from which device these messages originate and whether 
they might be harmful in some way? They don't seem to cause any trouble, 
but it's probably better if they weren't there.

Below are the relevant section of my dmesg and the output of usbconfig:

ugen5.4: <Logitech> at usbus5
ums0: <Logitech Trackball, class 0/0, rev 1.10/2.20, addr 4> on usbus5
ums0: 3 buttons and [XYZ] coordinates ID=0
Root mount waiting for: usbus5
Root mount waiting for: usbus5
ugen5.5: <vendor 0x05ac> at usbus5
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
uhid1: <vendor 0x05ac product 0x9223, class 0/0, rev 1.10/1.14, addr 5> 
on usbus5
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
hid_get_item: Number of items truncated to 255
ugen5.6: <Microsoft> at usbus5
ukbd0: <Microsoft Natural Ergonomic Keyboard 4000, class 0/0, rev 
2.00/1.73, addr 6> on usbus5
kbd2 at ukbd0
uhid2: <Microsoft Natural Ergonomic Keyboard 4000, class 0/0, rev 
2.00/1.73, addr 6> on usbus5


ugen0.1: <OHCI root HUB ATI> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=ON
ugen1.1: <OHCI root HUB ATI> at usbus1, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=ON
ugen2.1: <OHCI root HUB ATI> at usbus2, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=ON
ugen3.1: <OHCI root HUB ATI> at usbus3, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=ON
ugen4.1: <OHCI root HUB ATI> at usbus4, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=ON
ugen5.1: <EHCI root HUB ATI> at usbus5, cfg=0 md=HOST spd=HIGH (480Mbps) 
pwr=ON
ugen1.2: <Saitek R220 Saitek> at usbus1, cfg=0 md=HOST spd=LOW (1.5Mbps) 
pwr=ON
ugen5.2: <product 0x6560 vendor 0x04b4> at usbus5, cfg=0 md=HOST 
spd=HIGH (480Mbps) pwr=SAVE
ugen5.3: <product 0x9131 vendor 0x05ac> at usbus5, cfg=0 md=HOST 
spd=HIGH (480Mbps) pwr=SAVE
ugen5.4: <Trackball Logitech> at usbus5, cfg=0 md=HOST spd=LOW (1.5Mbps) 
pwr=ON
ugen5.5: <product 0x9223 vendor 0x05ac> at usbus5, cfg=0 md=HOST 
spd=FULL (12Mbps) pwr=ON
ugen5.6: <Natural Ergonomic Keyboard 4000 Microsoft> at usbus5, cfg=0 
md=HOST spd=LOW (1.5Mbps) pwr=ON


I found that vendor 0x05ac is Apple Computer Inc and therefore I suspect 
the device that's causing these errors could be the brightness control 
in my Apple Cinema display. The first of below devices is probably the 
USB-hub in the display and the second the brightness control, but it 
could be the other way around.

ugen5.3: <product 0x9131 vendor 0x05ac> at usbus5, cfg=0 md=HOST 
spd=HIGH (480Mbps) pwr=SAVE

ugen5.5: <product 0x9223 vendor 0x05ac> at usbus5, cfg=0 md=HOST 
spd=FULL (12Mbps) pwr=ON


The other unrecognised device, in case someone wants to add it somewhere:

ugen5.2: <product 0x6560 vendor 0x04b4> at usbus5, cfg=0 md=HOST 
spd=HIGH (480Mbps) pwr=SAVE

This is a Belkin n52te game-controller 
(http://www.belkin.com/IWCatProductPage.process?Product_Id=390404)

!DSPAM:930,4bffa90810411104319959!