103 3[11-main-RUNNABLE] call who's join: Thread-4779
104 3[11-main-RUNNABLE] Begin xinweix:RaceTrack:
105 3[11-main-RUNNABLE] join, before mergeSet: [1601=1, 11=4857, 413=1, 313=1, 213=1, 113=1, 13=1, 414=1, 14=1, 4757=1, 4763=    1, 3965=1, 4570=1, 3179=1, 3482=1, 2884=1, 2187=1, 1697=1, 1199=1, ]
106 3[11-main-RUNNABLE] join, after mergeSet: [1601=1, 11=4857, 413=1, 313=1, 213=1, 113=1, 13=1, 414=1, 14=1, 4757=1, 4763=1    , 3965=1, 4570=1, 3179=1, 3482=1, 2884=1, 2187=1, 4791=1, 1697=1, 1199=1, ]
107 1[11-main-RUNNABLE] enter who's join: Thread-5938
108 2[11-main-RUNNABLE] call who's join: Thread-5938
109 2[11-main-RUNNABLE] Begin xinweix:RaceTrack:
110 2[11-main-RUNNABLE] join, before mergeSet: [1601=1, 11=5946, 413=1, 313=1, 213=1, 113=1, 13=1, 414=1, 14=1, 4757=1, 4763=    1, 3965=1, 4570=1, 3179=1, 3482=1, 2884=1, 2187=1, 4791=1, 1697=1, 1199=1, ]
111 2[11-main-RUNNABLE] join, after mergeSet: [1601=1, 11=5946, 413=1, 313=1, 213=1, 113=1, 13=1, 414=1, 14=1, 5950=1, 4757=1    , 4763=1, 3965=1, 4570=1, 3179=1, 3482=1, 2884=1, 2187=1, 4791=1, 1697=1, 1199=1, ]
112 vm internal error at:
113 
114 -- Stack --
115    at Lorg/jikesrvm/VM; sysFail(Ljava/lang/String;)V at line 2148
116    at Lorg/jikesrvm/VM; _assertionFailure(Ljava/lang/String;Ljava/lang/String;)V at line 638
117    at Lorg/jikesrvm/VM; _assert(ZLjava/lang/String;Ljava/lang/String;)V at line 621
118    at Lorg/jikesrvm/VM; _assert(Z)V at line 599
119    at Lorg/jikesrvm/scheduler/greenthreads/GreenThreadQueue; enqueue(Lorg/jikesrvm/scheduler/greenthreads/GreenThread;)V     at line 106
120    at Lorg/jikesrvm/scheduler/greenthreads/GreenProcessor; transferThread(Lorg/jikesrvm/scheduler/greenthreads/GreenThrea    d;)V at line 489
121    at Lorg/jikesrvm/scheduler/greenthreads/GreenProcessor; scheduleThread(Lorg/jikesrvm/scheduler/greenthreads/GreenThrea    d;)V at line 511
122    at Lorg/jikesrvm/scheduler/greenthreads/GreenThread; timerTickYield(I)V at line 388
123    at Lorg/jikesrvm/scheduler/greenthreads/GreenThread; yieldpoint(ILorg/vmmagic/unboxed/Address;)V at line 366
124    at Lorg/jikesrvm/scheduler/RVMThread; yieldpointFromPrologue()V at line 1010
125    at Lorg/jikesrvm/racetrack/AbstractRaceTrackSet; contains(Ljava/lang/Object;)Z
126    at Lorg/jikesrvm/racetrack/RaceTrackHashSet; contains(Ljava/lang/Object;)Z at line 20
127    at Lorg/jikesrvm/racetrack/RaceTrack; removeLockFromThreadLockSet(Ljava/lang/Object;)V at line 137
128    at Lorg/jikesrvm/scheduler/RVMThread; terminateUnpreemptible()V at line 968
129    at Lorg/jikesrvm/scheduler/RVMThread; terminate()V at line 939
130    at Lorg/jikesrvm/scheduler/RVMThread; startoff()V at line 796
131 ********************************************************************************