From a6bc1186c35ad0b4ee2df45144124495243a82d6 Mon Sep 17 00:00:00 2001
From: jhendersonHDF <jhenderson@hdfgroup.org>
Date: Tue, 17 Oct 2023 11:16:48 -0500
Subject: Initialize API context MPI types to MPI_BYTE (#3688)

---
 src/H5CX.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/H5CX.c b/src/H5CX.c
index aa9d0b5..b3b2fca 100644
--- a/src/H5CX.c
+++ b/src/H5CX.c
@@ -778,6 +778,11 @@ H5CX__push_common(H5CX_node_t *cnode)
     cnode->ctx.tag     = H5AC__INVALID_TAG;
     cnode->ctx.ring    = H5AC_RING_USER;
 
+#ifdef H5_HAVE_PARALLEL
+    cnode->ctx.btype = MPI_BYTE;
+    cnode->ctx.ftype = MPI_BYTE;
+#endif
+
     /* Push context node onto stack */
     cnode->next = *head;
     *head       = cnode;
-- 
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