[Insight-developers] Valgrind need attention

[Bill Lorensen]

Why didn't the fem code leak before the refactorization?

On Thu, Jul 28, 2011 at 5:09 PM, Williams, Norman K <
norman-k-williams at uiowa.edu> wrote:

> As I explained in direct e-mail to Bill, I spent a couple of days staring
> at the FEM code and couldn't find the problems causing the remaining FEM
> valgrind leak reports.  Then I threw up my hands and Vince Magnotta has
> been putting some hours in and came to similar conclusion.
>
>
> The problem is that memory that is allocated by the ::New() method, and
> only ever assigned to smart pointers, is being reported as leaked. Which
> means that there are 3 possibilities:
>
> 1. Somehow, somewhere, the reference count is getting double-incremented.
> 2. There really is a leak somewhere that's eluded both Vince & I.
> 3. Valgrind is wrong.
>
> My last exchange with Bill he indicated that he believed the leak was
> real.  If that's the case, it's eluded 2 reasonably intelligent &
> experienced programmers for a minimum of 40 man hours.  If someone else
> has any insights they would be extremely welcome.
>
> On 7/28/11 3:48 PM, "Nicholas Tustison" <ntustison at gmail.com> wrote:
>
> >I'll get to it right away.
> >Nick
> >
> >On Jul 28, 2011, at 4:09 PM, Bill Lorensen wrote:
> >
> >
> >FEM and BSpline checkins have numerous valgrind defects. There are also a
> >bunch of doxygen related defects. We need to zero these out.
> >
> >http://www.cdash.org/CDash/viewDynamicAnalysis.php?buildid=1373394
> >
> >Bill
> >
> >
> >
> >
> >
>
>
>
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