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[Garth Wells <gnw20@xxxxxxxxx>]

There is a leak small in the LU solver MUMPS which is used via PETSc. I
have changed the code to use UMFPACK as the default LU solver on a
single process.

** Changed in: dolfin
       Status: New => Fix Committed

** Changed in: dolfin
   Importance: Undecided => High

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Memory leaks in Python interface
https://bugs.launchpad.net/bugs/521957
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Status in DOLFIN: Fix Committed

Bug description:
There appear to be some small leaks in the Python interface. It could be related to FFC and/or Instant caching. Some test cases have been placed in 

  lp:~dolfin-core/dolfin/sandbox

in the 'memest' directory. These tests, and any new memory tests, should pass before a new release is made.