From 2f7d94d32ff814e112c725a7d55c619121938acd Mon Sep 17 00:00:00 2001 From: Roland Haas Date: Sun, 31 Mar 2019 15:27:50 -0500 Subject: [PATCH] CactusTutorial: work around OpenMPI issue on Ubuntu 18.04 not directly relevant for our current 16.04 image but still good to have. See https://github.com/open-mpi/ompi/issues/4948 --- CactusTutorial.ipynb | 3 +++ 1 file changed, 3 insertions(+) diff --git a/CactusTutorial.ipynb b/CactusTutorial.ipynb index dbd3430..1a77a45 100644 --- a/CactusTutorial.ipynb +++ b/CactusTutorial.ipynb @@ -72,6 +72,9 @@ "from IPython.core.magic import register_cell_magic\n", "@register_cell_magic\n", "def bash(line, cell): get_ipython().system(cell)\n", + "# OpenMPI in docker containers produces warnings due to the vader library, this disables them\n", + "import os\n", + "os.environ[\"OMPI_MCA_btl_vader_single_copy_mechanism\"] = \"none\"" ] }, {