> On Jul 21, 2019, at 11:31 AM, carlos aguni via users
> <users@lists.open-mpi.org> wrote:
>
> MPI_Isend()
> ... some stuff..
> flag = 0;
> MPI_Test(req, &flag, &status);
> if (flag){
> free(buffer);
> }
>
> After the free() i'm getting errors like:
> [[58327,1],0][btl_tcp_frag.c:130:mca_btl_tcp_frag_send]
> mca_btl_tcp_frag_send: writev error (0x2b9daf474000, 128000000)
> Bad address(1)
> [[58327,1],0][btl_tcp_frag.c:130:mca_btl_tcp_frag_send]
> mca_btl_tcp_frag_send: writev error (0x2b9daf473ee8, 19608)
> Bad address(1)
> pml_ob1_sendreq.c:308 FATAL
Do you get the same error if you don't free()?
--
Jeff Squyres
jsquy...@cisco.com
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