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:

; W" v# `2 p3 k, v  I6 \7 L/ NERRORack:679 - Unable to obey design constraints
   (LUTNM=u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/___XLNM___375___Mcompar
% A4 v8 o7 H5 x) R   _c_mem_sel_cmp_le0002_lutdi) which require the combination of the following
% m8 P% v0 n0 q! [& i5 _   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_
1 H, ^1 H. ?' L& E   lutdi" (Output Signal =
0 b7 I3 [" ?, T* P" H   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
   utdi)
/ E+ w2 u- q; B           LUT symbol
* c" w' i  i' v: f8 }" a( L   "u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_
   lut<0>" (Output Signal =
   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
' c/ z, a, d+ ~: m   ut<0>)
   Function generators
- Z: {/ e$ e  X! p7 F3 q   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
   utdi and
   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
   ut<0> are not compatible. The two function generators can not share a LUT
/ n* ?4 g3 }& O   site.  Please correct the design constraints accordingly.

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??