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| author | Neil Fortner <nfortne2@hdfgroup.org> | 2011-01-19 15:53:45 (GMT) |
|---|---|---|
| committer | Neil Fortner <nfortne2@hdfgroup.org> | 2011-01-19 15:53:45 (GMT) |
| commit | 159535ff5c0be9f1c37dd7f5f938d970f3c24886 (patch) | |
| tree | 2245e6677874ddfb61fa1c4e3ba9705818fb88eb /release_docs | |
| parent | 5059d3933b7403cf99b0ad7751cfb14addc4b1bd (diff) | |
| download | hdf5-159535ff5c0be9f1c37dd7f5f938d970f3c24886.zip hdf5-159535ff5c0be9f1c37dd7f5f938d970f3c24886.tar.gz hdf5-159535ff5c0be9f1c37dd7f5f938d970f3c24886.tar.bz2 | |
[svn-r19968] Add note on parallel failures to RELEASE.txt
Diffstat (limited to 'release_docs')
| -rw-r--r-- | release_docs/RELEASE.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 756fcfe..4db5df6 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -326,6 +326,18 @@ SuSe Linux 2.4.21 ia64 Intel C y y y n Known Problems ============== +* While working on the 1.8.6 release of HDF5, a bug was discovered that can + occur when reading from a dataset in parallel shortly after it has been + written to collectively. The issue was exposed by a new test in the parallel + HDF5 test suite, but had existed before that. We believe the problem lies with + certain MPI implementations and/or filesystems. + + We have provided a pure MPI test program, as well as a standalone HDF5 + program, that can be used to determine if this is an issue on your system. + They should be run across multiple nodes with a varying number of processes. + These programs can be found at: + http://www.hdfgroup.org/ftp/HDF5/examples/known_problems/ + * The AIX --enable-shared does not quite work. It can produce shared library but there cannot be more than one shared libraries that interlinking with each other. That means only C-API without High-level can work. Not very |