What is mean of this log?

[chenggh]

Hi:
	When I boot the L4Linux with L4dope, There are some log statements like this:	

l4dope  | psmouse.c: Wheel Mouse at isa0060/serio1/input0 lost 
synchronization,
l4dope  :  throwing 3 bytes away.
l4dope  | psmouse.c: Wheel Mouse at isa0060/serio1/input0 lost 
synchronization,
l4dope  :  throwing 3 bytes away.
l4lx    | Terminating L4Linux.
l4lx    | L4RM: [PF] read at 0x00000a28, ip 00000a29, src 10.02
l4lx    | [10.0] l4rm/lib/src/pagefault.c:78:__unknown_pf():
l4lx    |  unhandled page fault

	What is mean? 
	Thank you.
									cheng