(gdb) bt
#0  0x77f88e63 in ?? ()
#1  0x77ea9c13 in WaitForMultipleObjects () from /mnt/c/WINNT/system32/KERNEL32.DLL
#2  0x61005b18 in cygwin1!__assert () from /usr/bin/cygwin1.dll
#3  0x610590a3 in cygwin_winpid_to_pid () from /usr/bin/cygwin1.dll
#4  0x61016fb5 in cygwin_internal () from /usr/bin/cygwin1.dll
#5  0x6107df3d in readv () from /usr/bin/cygwin1.dll
#6  0x6107dadc in read () from /usr/bin/cygwin1.dll
#7  0x610c6dc6 in wmemset () from /usr/bin/cygwin1.dll
#8  0x610c5523 in wmemset () from /usr/bin/cygwin1.dll
#9  0x610c2290 in wmemset () from /usr/bin/cygwin1.dll
#10 0x610b39e6 in fread () from /usr/bin/cygwin1.dll
#11 0x6b261e95 in Py_UniversalNewlineFread (buf=0xab9ad24 "['-c', 'foo', 'bar']\n", 'Ë' <repeats 179 times>..., n=8192, stream=0xa04229c, fobj=0xadc01e0) at ../Objects/fileobject.c:2326
#12 0x6b25e858 in file_read (f=0xadc01e0, args=0xa045034) at ../Objects/fileobject.c:804
#13 0x6b27e3ab in PyCFunction_Call (func=0xaca06fc, arg=0xa045034, kw=0x0) at ../Objects/methodobject.c:73
#14 0x6b2cca02 in call_function (pp_stack=0x22eb84, oparg=0) at ../Python/ceval.c:3439
#15 0x6b2c8d65 in eval_frame (f=0xa52b864) at ../Python/ceval.c:2116
#16 0x6b2ccd45 in fast_function (func=0xadb9994, pp_stack=0x22ed04, n=2, na=2, nk=0) at ../Python/ceval.c:3518
#17 0x6b2ccb44 in call_function (pp_stack=0x22ed04, oparg=2) at ../Python/ceval.c:3458
#18 0x6b2c8d65 in eval_frame (f=0xa5e15d4) at ../Python/ceval.c:2116
#19 0x6b2ccd45 in fast_function (func=0xadb99e4, pp_stack=0x22ee84, n=0, na=0, nk=0) at ../Python/ceval.c:3518
#20 0x6b2ccb44 in call_function (pp_stack=0x22ee84, oparg=0) at ../Python/ceval.c:3458
#21 0x6b2c8d65 in eval_frame (f=0xbfc479c) at ../Python/ceval.c:2116
#22 0x6b2ccd45 in fast_function (func=0xadb9a34, pp_stack=0x22f004, n=0, na=0, nk=0) at ../Python/ceval.c:3518
#23 0x6b2ccb44 in call_function (pp_stack=0x22f004, oparg=0) at ../Python/ceval.c:3458
#24 0x6b2c8d65 in eval_frame (f=0xa5ed21c) at ../Python/ceval.c:2116
#25 0x6b2cacf4 in PyEval_EvalCodeEx (co=0xadc0290, globals=0xadc3994, locals=0xadc3994, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:2663
#26 0x6b2c2d7f in PyEval_EvalCode (co=0xadc0290, globals=0xadc3994, locals=0xadc3994) at ../Python/ceval.c:537