I believe that's the subject of several tickets…
On Feb 27, 2012, at 8:24 PM, Eugene Loh wrote:
> In the test suite, we have an ibm/dynamic/loop_spawn test that looks like
> this:
>
> for (...) {
> loop_spawn spawns loop_child
> parent and child execute MPI_Intercomm_merge
> parent and child execute MPI_Comm_free
> parent and child execute MPI_Comm_disconnect
> }
>
> If the openib BTL is involved and you run long enough, it appears that you
> run out of locked memory. Does anyone have a sense for whether that is
> expected or it shows a resource leak?
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