Your message dated Thu, 13 May 2021 14:33:30 +0000
with message-id <[email protected]>
and subject line Bug#987261: fixed in openmpi 4.1.0-9
has caused the Debian Bug report #987261,
regarding libopenmpi3: Severe memory leak in MPI_Allreduce when using a
repeatedly created and freed MPI_Datatype
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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immediately.)
--
987261: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987261
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: libopenmpi3
Version: 4.1.0-7
Severity: important
Tags: patch upstream
X-Debbugs-Cc: [email protected]
Dear Maintainer,
Please consider applying the following upstream patch [1] for a memory leak
issue in OpenMPI-4.1.0. In short, the memory allocator for MPI_Datatype in
the UCX PML does not correctly free allocated resources. Under certain
workloads this lead to a severe memory leak that renders the OpenMPI
library unusable. Upstream bug report [2].
I am reporting this issue for 4.1.0-7 but the issue is also present in 4.1.0-8.
[1] https://github.com/open-mpi/ompi/pull/8828
( review currently in progress )
[2] https://github.com/open-mpi/ompi/issues/8827
-- System Information:
Debian Release: bullseye/sid
APT prefers testing-debug
APT policy: (500, 'testing-debug'), (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 5.10.0-5-amd64 (SMP w/64 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages libopenmpi3 depends on:
ii libc6 2.31-11
ii libevent-core-2.1-7 2.1.12-stable-1
ii libevent-pthreads-2.1-7 2.1.12-stable-1
ii libfabric1 1.11.0-2
ii libgcc-s1 10.2.1-6
ii libhwloc-plugins 2.4.1+dfsg-1
ii libhwloc15 2.4.1+dfsg-1
ii libibverbs1 33.1-1
ii libnl-3-200 3.4.0-1+b1
ii libpmix2 4.0.0-4
ii libpsm-infinipath1 3.3+20.604758e7-6.1
ii libpsm2-2 11.2.185-1
ii libstdc++6 10.2.1-6
ii libucx0 1.10.0~rc1-7
ii zlib1g 1:1.2.11.dfsg-2
libopenmpi3 recommends no packages.
libopenmpi3 suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: openmpi
Source-Version: 4.1.0-9
Done: Alastair McKinstry <[email protected]>
We believe that the bug you reported is fixed in the latest version of
openmpi, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Alastair McKinstry <[email protected]> (supplier of updated openmpi package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Thu, 13 May 2021 14:01:44 +0100
Source: openmpi
Architecture: source
Version: 4.1.0-9
Distribution: unstable
Urgency: medium
Maintainer: Alastair McKinstry <[email protected]>
Changed-By: Alastair McKinstry <[email protected]>
Closes: 984956 987261
Changes:
openmpi (4.1.0-9) unstable; urgency=medium
.
* Pull fix for Memory leak in MPI_Allreduce when using a repeatedly created
and freed MPI_Datatype. Closes: #987261
* Workaround for mpirun crashes when trying to schedule a task on
a foreign host. Closes: #984956
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