program enters dead loop with some certain move

[Bing Bai]

Hi,
 attached is an output of "xboard -debug". If I play the game in exact 
this order, the program will
enter a dead loop. I'll never get my turn again. I'm not sure if the 
attached file is enough.
 Thanks.

bing

address@hidden doc]$ xboard -debug
recognized 'normal' (-1) as variant normal
resolved -*-helvetica-bold-r-normal--*-*-*-*-*-*-*-* at pixel size 34
  to -adobe-helvetica-bold-r-normal--34-240-100-100-p-182-iso8859-1
resolved -*-helvetica-bold-r-normal--*-*-*-*-*-*-*-* at pixel size 14
  to -adobe-helvetica-bold-r-normal--14-140-75-75-p-82-iso8859-1
resolved -*-helvetica-medium-r-normal--*-*-*-*-*-*-*-* at pixel size 14
  to -adobe-helvetica-medium-r-normal--14-140-75-75-p-77-iso8859-1
xboard 4.2.6 + gnuchess
Reset(1, 0) from gameMode 0
recognized 'normal' (-1) as variant normal
GameEnds(0, (null), 2)
StartChildProcess (dir="") gnuchess
177 >first : xboard
protover 2
293 <first : GNU Chess v5.02
294 <first :
294 <first : Transposition table:  Entries=1024K Size=32768K
294 <first : Pawn hash table: Entries=384K Size=18432K
294 <first : White (1) : feature setboard=1 analyze=0 ping=1 draw=0 
variants="normal" myname="GNU Chess v5.02" done=1
10178 >first : new
random
10178 >first : level 40 5 0
10178 >first : hard
13147 >first : time 30000
otim 30000
13147 >first : e2e3
AnimateMove: piece 0 slides from 4,1 to 4,2
13369 <first : 1. e2e3
13369 <first : Root = -33, Phase = 1
13369 <first : Time = 8.91, Max = 35.62, Left = 300.00, Moves = 40
13369 <first : Ply   Time     Eval      Nodes   Principal-Variation
13369 <first : 1. 22 0 22        Nf6
13369 <first : 2. -7 0 128       Nf6 Nc3
13369 <first : 3. 22 0 292       Nf6 Nc3 Nc6
13369 <first : 4. -6 0 821       Nf6 Nc3 Nc6 Nf3
13369 <first : 5. 9 0 9631       e5 Nc3 Nc6 Nf3 Nf6
13494 <first : 6. -14 0 38181    e5 Nf3 Nc6 Bb5 Nge7 Nc3
13887 <first : 7. -13 0 137071   Nf6 Nc3 g5 Nf3 g4 Ne5 Nc6
14458 <first : 8. -23 100 283132         Nc6 Nf3 e5 Nc3 Nge7 Bb5 a6 Bc4
20064 <first : 9. -10 600 2054815        e6 Nf3 Nf6 Bb5 Bb4 O-O O-O d4 d5
20064 <first : 1. ... e7e6
AnimateMove: piece 6 slides from 4,6 to 4,5
20193 <first : My move is: e7e6
Interrupting first
22397 >first : time 29308
otim 29766
22397 >first : g1f3
AnimateMove: piece 1 hops from 6,0 to 5,2
22691 <first : 2. g1f3
22691 <first : Root = -38, Phase = 1
22691 <first : Time = 8.92, Max = 35.69, Left = 293.00, Moves = 39
22691 <first : Ply   Time     Eval      Nodes   Principal-Variation
22691 <first : 1. -9 0 32        Nc6
22691 <first : 2. -38 0 158      Nc6 Nc3
22691 <first : 3. -10 0 372      Nc6 Nc3 Nf6
22691 <first : 4. -24 0 1196     Nc6 Nc3 Bb4 Ne4
22691 <first : 5. -15 0 8749     Nf6 Nc3 Bb4 Bb5 Bxc3 dxc3
22691 <first : 6. -30 0 32106    Nf6 Bb5 a6 Bc4 Nc6 Nc3
22930 <first : 7. -11 0 89978    Nf6 Bc4 Bb4
24665 <first : 8. -37 200 579198         Nc6 Bb5 Nge7 O-O a6 Bxc6 Nxc6 d4 Bb4
30451 <first : 9. -13 700 2247844        Nf6 Bb5 a6 Be2 Bb4 O-O O-O d4 d5
30451 <first : 2. ... g8f6
AnimateMove: piece 7 hops from 6,7 to 5,5
30620 <first : My move is: g8f6
Interrupting first
35309 >first : time 28502
otim 29281
35309 >first : f1d3
AnimateMove: piece 2 slides from 5,0 to 3,2
35523 <first : 3. f1d3
35523 <first : Root = -14, Phase = 1
35523 <first : Time = 8.91, Max = 35.62, Left = 285.00, Moves = 38
35523 <first : Ply   Time     Eval      Nodes   Principal-Variation
35523 <first : 1. 15 0 30        Nc6
35523 <first : 2. -14 0 222      Nc6 Nc3
35523 <first : 3. 1 0 450        Nc6 Nc3 Bc5
35523 <first : 4. -16 0 2559     Nc6 Nc3 Bc5 O-O
35541 <first : 5. 4 0 19840      Bb4 O-O O-O c3 Bc5
35722 <first : 6. -13 0 60602    Be7 O-O O-O Bb5 d5 d4
35899 <first : 7. 16 0 106281    Be7 O-O O-O Nc3 d5 Ne5 Nc6 Nxc6 bxc6
37221 <first : 8. -7 100 466757  Bb4 O-O O-O a3 Be7 Bb5 d5 d4
44346 <first : 9. -10 800 2503357        Bb4 O-O Nc6 Nc3 O-O Bb5 d5 Bxc6 bxc6
44347 <first : 3. ... f8b4
AnimateMove: piece 8 slides from 5,7 to 1,3
44513 <first : My move is: f8b4
Interrupting first
46933 >first : time 27598
otim 29022
46933 >first : e1g1
AnimateMove: piece 5 slides from 4,0 to 6,0
47144 <first : 4. e1g1
47144 <first : Root = -18, Phase = 1
47144 <first : Time = 8.83, Max = 35.30, Left = 275.00, Moves = 37
47144 <first : Ply   Time     Eval      Nodes   Principal-Variation
47144 <first : 1. 11 0 37        Nc6
47144 <first : 2. -19 0 282      Nc6 Nc3
47144 <first : 3. 4 0 943        O-O c3 Bc5
47144 <first : 4. -20 0 3826     Nc6 Bb5 O-O d4
47144 <first : 5. 6 0 11748      Nc6 Nc3 O-O Be4 Nxe4 Nxe4
47290 <first : 6. -7 0 51580     O-O a3 Be7 Bb5 d5 d4
48501 <first : 7. -11 100 361307         O-O Ng5 d5 c3 Bc5 Qc2 g6
51879 <first : 8. -14 400 1316617        Nc6 Bb5 O-O d4 d5 Bd2 Bxd2 Nbxd2 Bd7
55852 <first : 9. -16 800 2483113        Be7 Bb5 a6 Be2 O-O Nc3 d5 d4 Nc6
55853 <first : 4. ... b4e7
AnimateMove: piece 8 slides from 1,3 to 4,6
56020 <first : My move is: b4e7
Interrupting first
58921 >first : time 26706
otim 28715
58921 >first : b1c3
AnimateMove: piece 1 hops from 1,0 to 2,2
59168 <first : 5. b1c3
59168 <first : Root = -54, Phase = 1
59168 <first : Time = 8.81, Max = 35.23, Left = 267.00, Moves = 36
59168 <first : Ply   Time     Eval      Nodes   Principal-Variation
59168 <first : 1. -25 0 33       Nc6
59168 <first : 2. -39 0 235      Nc6 e4
59168 <first : 3. -16 0 451      Nc6 e4 O-O
59168 <first : 4. -42 0 2939     O-O Bb5 d5 d4
59168 <first : 5. -10 0 10658    O-O Be2 d5 d4 Nc6
59184 <first : 6. -28 0 32496    O-O Be2 d5 d4 Nc6 Bd2
59397 <first : 7. -16 0 87519    O-O Bb5 a6 Be2 d5 d4 Nc6
60418 <first : 8. -16 100 395681         d5 Bb5+ Bd7 d4 O-O Qd3 Nc6 e4 Bd6
62437 <first : 9. -12 300 1039410        d5 Bb5+ Bd7 Qe2 O-O d4 Nc6 Bd2 Nb4 
Rac1 Bxb5
62437 <first :                           Qxb5
67828 <first : 5. ... d7d5
AnimateMove: piece 6 slides from 3,6 to 3,4
67960 <first : My move is: d7d5
Interrupting first
71575 >first : time 25815
otim 28341
71575 >first : f1e1
AnimateMove: piece 3 slides from 5,0 to 4,0
71767 <first : 6. f1e1
71767 <first : Root = -74, Phase = 1
71767 <first : Time = 8.75, Max = 35.01, Left = 258.00, Moves = 35
71767 <first : Ply   Time     Eval      Nodes   Principal-Variation
71767 <first : 1+ 7 0 29         O-O
71767 <first : 1. 7 0 62         O-O
71767 <first : 2. -3 0 475       O-O e4 dxe4 Nxe4
71767 <first : 3. 21 0 877       O-O e4 Nc6
71767 <first : 4. -2 0 2859      O-O Bb5 c6 Be2
71812 <first : 5. 8 0 20438      O-O Be2 Nc6 d4 Bd7
71931 <first : 6. 3 0 48898      O-O Be2 Ne4 Nxe4 dxe4 Ne5 Nd7
73033 <first : 7. -3 100 423690  O-O Be2 Ne4 Nxe4 dxe4 Ne5 Nd7 d4 exd3 Nxd3
73812 <first : 8. 8 200 656826   O-O Be2 Ne4 Nb5 Bd7 d4 Nc6 Bd2 Nxd2 Nxd2
80451 <first : 9. -4 800 2644865         O-O Be2 Ne4 Nxe4 dxe4 Ne5 Qd5 d4 exd3 
Nxd3
80451 <first :                           Nc6 Bd2
80451 <first : 6. ... e8g8
AnimateMove: piece 11 slides from 4,7 to 6,7
80584 <first : My move is: e8g8
Interrupting first
82535 >first : time 24928
otim 28132
82535 >first : e3e4
AnimateMove: piece 0 slides from 4,2 to 4,3
82670 <first : 7. e3e4
82682 <first : Root = -8, Phase = 1
82682 <first : Time = 8.70, Max = 34.79, Left = 249.00, Moves = 34
82682 <first : Ply   Time     Eval      Nodes   Principal-Variation
82682 <first : 1. 21 0 53        Nc6
82686 <first : 2. 11 0 519       Nc6 Bb5 dxe4 Bxc6 exf3 Bxf3
82696 <first : 3. 17 0 2599      d4 Nb5 Nc6
82754 <first : 4. 11 0 16237     Nc6 Bb5 dxe4 Bxc6 exf3 Bxf3
82944 <first : 5. 12 0 67313     Nc6 e5 Nd7 Bb5 Nc5 Bxc6 bxc6
83202 <first : 6. 13 0 132721    Nc6 e5 Ng4 Bb5 Bh4 Bxc6 bxc6
85134 <first : 7. 9 200 696375   Nbd7 exd5 exd5 Bf5 Nc5 Bxc8 Rxc8 d4 Nce4
91408 <first : 8. -6 800 2615755         Nbd7 exd5 exd5 Bf5 Bb4 d4 Nb6 Bd3 Re8
91409 <first : 7. ... b8d7
AnimateMove: piece 7 hops from 1,7 to 3,6
91574 <first : My move is: b8d7
Interrupting first
96346 >first : time 24040
otim 27639
96346 >first : e4e5
AnimateMove: piece 0 slides from 4,3 to 4,4
96517 <first : 8. e4e5
96517 <first : Root = 15, Phase = 1
96517 <first : Time = 8.64, Max = 34.55, Left = 240.00, Moves = 33
96517 <first : Ply   Time     Eval      Nodes   Principal-Variation
96517 <first : 1. 20 0 31        Ng4
96517 <first : 2. 10 0 293       Ng4 Qe2
96517 <first : 3. 4 0 8307       Ng4 Ng5 Bxg5 Qxg4
96531 <first : 4. 17 0 12623     Ng4 Bb5 Bh4 Re2
96590 <first : 5. 23 0 22499     Ng4 Bb5 Bh4 Re2 Nc5
96740 <first : 6. 18 0 55471     Ng4 Bb5 c6 Ba4 Bh4 Re2
97547 <first : 7. 11 100 306499  Ng4 Bf1 Bh4 Re2 d4 Nb5 c5 Nxh4 Qxh4
98659 <first : 8. -10 200 690989         Ng4 Bf1 c5 d4 Bh4 Re2 Be7 Bf4 cxd4 Qxd4
101710 <first : 9. -9 500 1680838        Ng4 Bf1 f6 exf6 Ndxf6 d4 c5 Bf4 cxd4 
Nxd4
101710 <first :                                  Qb6
105119 <first : 8. ... f6g4
AnimateMove: piece 7 hops from 5,5 to 6,3
105283 <first : My move is: f6g4
Interrupting first
108870 >first : time 23163
otim 27264
108870 >first : e5d6
AnimateMove: piece 0 slides from 4,4 to 3,5