test.exe crash (core) on windows 64 2k8

2014-03-27T03:24:02.423+0000 [testsuite] CMD fsync: sync:1 lock:0

2014-03-27T03:24:02.461+0000 [testsuite] ChunkManager: time to load chunks for foo.bar: 2ms sequenceNumber: 5 version: 1|93||533399cf2d3a294a6490825d based on: (empty)

2014-03-27T03:24:02.462+0000 [testsuite] ChunkManager: time to load chunks for foo.bar: 0ms sequenceNumber: 6 version: 2|1||533399cf2d3a294a6490825d based on: 1|93||533399cf2d3a294a6490825d

2014-03-27T03:24:02.462+0000 [testsuite] 	 going to run test: class ShardingTests::ChunkDiffUnitTestNormal

2014-03-26 23:24:21 EDT	

2014-03-27T03:24:21.060+0000 [testsuite] 	 going to run test: class ShardingTests::ChunkDiffUnitTestInverse

2014-03-26 23:24:35 EDT	

2014-03-27T03:24:35.350+0000 [testsuite] 	 DONE running tests

2014-03-27T03:24:35.350+0000 [testsuite] going to run suite: sock

2014-03-27T03:24:35.350+0000 [testsuite] 	 going to run test: class SockTests::HostByName

2014-03-27T03:24:35.351+0000 [testsuite] 	 DONE running tests

2014-03-27T03:24:35.351+0000 [testsuite] going to run suite: stack

2014-03-27T03:24:35.351+0000 [testsuite] 	 DONE running tests

2014-03-27T03:24:35.351+0000 [testsuite] going to run suite: threading

2014-03-27T03:24:35.351+0000 [testsuite] 	 going to run test: class ThreadedTests::WriteLocksAreGreedy

2014-03-27T03:24:35.352+0000 [utest] 5352 1

2014-03-27T03:24:35.552+0000 [utest] 5552 3

2014-03-27T03:24:35.552+0000 [utest] 5552 3x

2014-03-27T03:24:35.552+0000 [utest] 0

2014-03-27T03:24:35.552+0000 [utest] *** unhandled exception 0xE06D7363 at 0x000007FEFDB19E5D, terminating

2014-03-27T03:24:35.552+0000 [utest] *** stack trace for unhandled exception:

2014-03-27T03:24:35.602+0000 [utest] 5602 2

2014-03-27T03:24:35.741+0000 [utest] 5741 1x

2014-03-27T03:24:36.596+0000 [utest] KERNELBASE.dll                                                                      RaiseException+0x3d

2014-03-27T03:24:36.596+0000 [utest] test.exe        f:\dd\vctools\crt_bld\self_64_amd64\crt\prebuild\eh\throw.cpp(157)  _CxxThrowException+0x81

2014-03-27T03:24:36.596+0000 [utest] test.exe        ...\src\mongo\unittest\unittest.cpp(348)                            mongo::unittest::TestAssertion::fail+0xf6

2014-03-27T03:24:36.596+0000 [utest] test.exe        ...\src\mongo\dbtests\threadedtests.cpp(860)                        ThreadedTests::WriteLocksAreGreedy::subthread+0x649

2014-03-27T03:24:36.596+0000 [utest] test.exe        ...\src\third_party\boost\libs\thread\src\win32\thread.cpp(185)     boost::`anonymous namespace'::thread_start_function+0x21

2014-03-27T03:24:36.596+0000 [utest] test.exe        f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(314)         _callthreadstartex+0x17

2014-03-27T03:24:36.596+0000 [utest] test.exe        f:\dd\vctools\crt_bld\self_64_amd64\crt\src\threadex.c(292)         _threadstartex+0x7f

2014-03-27T03:24:36.597+0000 [utest] kernel32.dll                                                                        BaseThreadInitThunk+0xd

2014-03-27T03:24:36.597+0000 [utest] 

2014-03-27T03:24:36.597+0000 [utest] writing minidump diagnostic file D:\data\mci\git@github.2014-03-27T03-24-36.mdmp

2014-03-26 23:24:38 EDT	

2014-03-27T03:24:38.775+0000 [utest] *** immediate exit due to unhandled exception