From: Martin Kronbichler Date: Wed, 8 Mar 2017 09:36:43 +0000 (+0100) Subject: Add changelog X-Git-Tag: v8.5.0-rc1~50^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F4043%2Fhead;p=dealii.git Add changelog --- diff --git a/doc/news/changes/minor/20170308MartinKronbichler b/doc/news/changes/minor/20170308MartinKronbichler new file mode 100644 index 0000000000..3ddad5327b --- /dev/null +++ b/doc/news/changes/minor/20170308MartinKronbichler @@ -0,0 +1,10 @@ +Changed: The parallel triangulation classes parallel::shared::Triangulation +and parallel::distributed::Triangulation used to duplicate the MPI +communicator given to the constructor, which could lead to access-after-free +problems in Trilinos data structures based on this communicator that stayed +alive longer than the Triangulation. The new implementation simply uses the +MPI communicator provided by the user and thus avoids these problems. It is +the user's responsibility to make sure MPI_Comm_free is only called when all +data structures initialized with it are deleted. +
+(Martin Kronbichler, 2017/03/08)