.
Thread 1 (process 2257):
#0  0x0813311e in SEventIDispatch (from=0xbfdbeebc, to=0x3)
    at ../../Xi/extinit.c:413
	type = <value optimized out>
#1  0x08067984 in RegionValidate (badreg=0x9ea8b40, pOverlap=0x1)
    at ../../dix/region.c:1100
	numRects = -1215650168
	ri = <value optimized out>
	numRI = <value optimized out>
	sizeRI = <value optimized out>
	i = <value optimized out>
	j = <value optimized out>
	rit = <value optimized out>
	reg = <value optimized out>
	box = <value optimized out>
	hreg = <value optimized out>
	ret = Unhandled dwarf expression opcode 0x9f