Your message dated Fri, 15 Nov 2019 16:23:43 +0900
with message-id <[email protected]>
and subject line Re: Bug#944192: python3-h5py: 'import h5py' produces Open MPI
message to stderr
has caused the Debian Bug report #944192,
regarding python3-h5py: 'import h5py' produces Open MPI message to stderr
to be marked as done.
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944192: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944192
Debian Bug Tracking System
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--- Begin Message ---
Package: python3-h5py
Version: 2.10.0-2
Severity: normal
A recent update started causing the h5py module to print a warning
message to stderr on import:
servo:~ 0$ python3 -c 'import h5py'
--------------------------------------------------------------------------
[[8338,1],0]: A high-performance Open MPI point-to-point messaging module
was unable to find any relevant network interfaces:
Module: OpenFabrics (openib)
Host: servo
Another transport will be used instead, although this may result in
lower performance.
NOTE: You can disable this warning by setting the MCA parameter
btl_base_warn_component_unused to 0.
--------------------------------------------------------------------------
servo:~ 0$
Obviously this is annoying and undesired. I'm guessing it is maybe
actually coming from one of the underlying hdf5 libraries? In any
event, it should somehow be supressed.
Thanks for maintaining!
jamie.
-- System Information:
Debian Release: bullseye/sid
APT prefers testing
APT policy: (600, 'testing'), (500, 'stable'), (200, 'unstable'), (101,
'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 5.2.0-3-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages python3-h5py depends on:
ii libc6 2.29-2
ii libhdf5-openmpi-103 1.10.4+repack-10
ii python3 3.7.5-1
ii python3-mpi4py 3.0.2-13
ii python3-numpy [python3-numpy-abi9] 1:1.16.5-1
ii python3-six 1.12.0-2
python3-h5py recommends no packages.
Versions of packages python3-h5py suggests:
pn python-h5py-doc <none>
-- no debconf information
--- End Message ---
--- Begin Message ---
As upstream point out in Issue#1433, this is not a bug in h5py.
It is generated by OpenMPI, discussed in the bug #814451 that Graham
cited.
The simplest workaround is to set
export OMPI_MCA_btl_base_warn_component_unused=0
in the environment.
--- End Message ---
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