用ISE10.1跑MAP時發生error出現:ERROR:Pack:679 - Unable to obey design constraints

johngaliano

*.mrp所產生的message如下:
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ERRORack:679 - Unable to obey design constraints
: A5 g$ d& J1 z   (LUTNM=u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/___XLNM___375___Mcompar
' T; f6 \3 c, F2 X, U   _c_mem_sel_cmp_le0002_lutdi) which require the combination of the following
   symbols into a single SLICE component:
           LUT symbol
   "u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_
; n( N8 F0 h$ E   lutdi" (Output Signal =
   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
5 O3 ]2 |  h2 U   utdi)
           LUT symbol
# h4 O) c! l5 A; Y  F   "u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_
   lut<0>" (Output Signal =
. O* Y, V+ R3 ~/ S; `& q0 S2 o! _   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
   ut<0>)
   Function generators
. h& X# w3 Z5 }/ f3 d" O   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
# i8 C8 f. L* l9 d   utdi and
   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
( a, ]( u0 p2 m6 U   ut<0> are not compatible. The two function generators can not share a LUT
4 a; {- `5 g7 |! L   site.  Please correct the design constraints accordingly.
5 K" r6 X0 X) o2 H; Q% t2 F' t/ Y
一樣的東西在PC跑不會出錯,但在linux跑就出現以上的error,看起來應該不是design的問題,請問有人也遇過相同的問題嗎?該如何避掉呢??