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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2 M; R, o/ p) ?4 N+ eERRORack:679 - Unable to obey design constraints
   (LUTNM=u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/___XLNM___375___Mcompar
   _c_mem_sel_cmp_le0002_lutdi) which require the combination of the following
   symbols into a single SLICE component:
, G9 v5 S$ u' x4 ^3 O8 p9 n           LUT symbol
2 z& v% }% Q( g& h/ r   "u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_
: R  k- P8 z; M% T4 K   lutdi" (Output Signal =
   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
; j. p$ d* v- N( {% \  \# z1 Y/ s   utdi)
' R& P, V5 b- }           LUT symbol
   "u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_
6 d% s- p* U4 H! P/ A   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
- S) V8 @6 g4 S0 n& N   ut<0>)
4 Y+ e$ L! x# k, U   Function generators
   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
2 a+ T8 J: M/ f4 {- n# c7 V, t   utdi and
, c  C4 S, r+ _8 b" q/ d   u_CORE/U_JPEG/U_JD/u_JD/U_HD/U_HUFFMAN_TABLE_V/Mcompar_c_mem_sel_cmp_le0002_l
6 U: k0 K. }6 D   ut<0> are not compatible. The two function generators can not share a LUT
   site.  Please correct the design constraints accordingly.
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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??