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[Filip Dominec <947884@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "A  working example of a 3D simulation with Harminv"
   https://bugs.launchpad.net/bugs/947884/+attachment/2821785/+files/test2.py

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https://bugs.launchpad.net/bugs/947884

Title:
  Harminv crashes with long simulation

Status in Python binding for MEEP (FDTD solver by MIT):
  New

Bug description:
  The runWithHarminv() function in python-meep 1.4.2 (on Ubuntu 11.10
  amd64) sometimes results in crashes. However, Harminv always runs the
  simulation and writes out correctly found modes before the crash.

  The crash reason is hard to find out for me; however it is related to the resolution and the simulated time. Changing the parameters, I observed three different errors of:
      *** glibc detected *** python: free(): invalid next size (normal): 0x000000000176b160 ***
  or
      *** glibc detected *** python: free(): invalid next size (fast): 0x0000000001a62160 ***
  or
      *** glibc detected *** python: double free or corruption (!prev): 0x00000000014d6420 ***

  Attached is a _working_ example. To trigger the crash, increase the
  parameter pTimeAfterSources (at line 114) to (120. / srcFreq)

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