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Jun 8, 2020
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NEWS: update for 4.0.4rc3 #7785

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e9c2af9
NEWS: update for 4.0.4rc3
hppritcha Jun 4, 2020
f2dcf4b
Adding Info about PR7778 to NEWS and README
gpaulsen Jun 8, 2020
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8 changes: 6 additions & 2 deletions NEWS
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
Use is subject to license terms.
Copyright (c) 2006-2018 Los Alamos National Security, LLC. All rights
reserved.
Copyright (c) 2010-2019 IBM Corporation. All rights reserved.
Copyright (c) 2010-2020 IBM Corporation. All rights reserved.
Copyright (c) 2012 Oak Ridge National Labs. All rights reserved.
Copyright (c) 2012 Sandia National Laboratories. All rights reserved.
Copyright (c) 2012 University of Houston. All rights reserved.
Expand Down Expand Up @@ -57,8 +57,12 @@ included in the vX.Y.Z section and be denoted as:
(** also appeared: A.B.C) -- indicating that this item was previously
included in release version vA.B.C.

4.0.4 -- May, 2020
4.0.4 -- June, 2020
-----------------------
- Fix a memory patcher issue intercepting shmat and shmdt. This was
observed on RHEL 8.x ppc64le (see README for more info).
- Fix an illegal access issue caught using gcc's address sanitizer.
Thanks to Georg Geiser for reporting.
- Add checks to avoid conflicts with a libevent library shipped with LSF.
- Switch to linking against libevent_core rather than libevent, if present.
- Add improved support for UCX 1.9 and later.
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7 changes: 7 additions & 0 deletions README
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Expand Up @@ -71,6 +71,13 @@ base as of this writing (May 2020):
General notes
-------------

- Open MPI v4.0.4 fixed an issue with the memory patcher's ability to
intercept shmat and shmdt that could cause wrong answers. This was
observed on RHEL8.1 running on ppc64le, but it may affect other systems.

For more information, please see:
https://github.com/open-mpi/ompi/pull/7778

- WARNING - Open MPI v4.0.0-4.0.3 accidentally did not include some
constants from the mpi_f08 module interface (mostly dealing with C and
C++ datatypes).
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