Exception: STATUS_ACCESS_VIOLATION at eip=05240000
eax=05240000 ebx=00000001 ecx=7C80E6CB edx=00000000 esi=691C4DA4 edi=00000005
ebp=0022CD28 esp=0022CD1C program=C:\lam\sys\cygwin-1.7\bin\expr.exe, pid 1392, thread main
cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023
Stack trace:
Frame     Function  Args
0022CD28  05240000  (00000000, 691E0000, 0022CD90, 61020340)
0022CDB8  61020273  (00000000, 0022CDF0, 610066A0, 7FFDB000)
End of stack trace
  63574 [main] expr 1392 _cygtls::handle_exceptions: Exception: STATUS_ACCESS_VIOLATION
  65368 [main] expr 1392 _cygtls::handle_exceptions: Error while dumping state (probably corrupted stack)