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Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r--[-rwxr-xr-x] | release_docs/RELEASE.txt | 553 |
1 files changed, 445 insertions, 108 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 7def78e..2192811 100755..100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -1,4 +1,4 @@ -HDF5 version 1.10.4 released on 2018-10-05 +HDF5 version 1.10.5 released on 2019-02-25 ================================================================================ @@ -32,7 +32,9 @@ If you have any questions or comments, please send them to the HDF Help Desk: CONTENTS -- Bug Fixes since HDF5-1.10.3 +- New Features +- Support for new platforms and languages +- Bug Fixes since HDF5-1.10.4 - Supported Platforms - Tested Configuration Features Summary - More Tested Platforms @@ -45,110 +47,441 @@ New Features Configuration: ------------- - - Add toolchain and cross-compile support + - Cross compile on mutrino and other Cray XC40 systems. - Added info on using a toolchain file to INSTALL_CMAKE.txt. A - toolchain file is also used in cross-compiling, which requires - CMAKE_CROSSCOMPILING_EMULATOR to be set. To help with cross-compiling - the fortran configure process, the HDF5UseFortran.cmake file macros - were improved. Fixed a Fortran configure file issue that incorrectly - used #cmakedefine instead of #define. + Added support for CMake options to use CrayLinuxEnvironment, craype-mic-knl + module for building with craype-haswell module for configuration, and + batch scripts in bin/batch for use with sbatch or bsub to run tests in + batch jobs on compute nodes. An instruction file README_HPC describing + the use of these options was added in release_docs. - (ADB - 2018/10/04, HDFFV-10594) + (LRK - 2019/02/18, TRILABS-34) - - Add warning flags for Intel compilers + - Rework CMake command files to fix MPI testing. - Identified Intel compiler specific warnings flags that should be used - instead of GNU flags. + Added setup fixture to remove any test generated files and added DEPENDS + to test properties to execute tests in order expected. - (ADB - 2018/10/04, TRILABS-21) + (ADB - 2019/02/14, TRILABS-111) - - Add default rpath to targets + - Disable SZIP or ZLIB options if TGZ files are not available. - Default rpaths should be set in shared executables and - libraries to allow the use of loading dependent libraries - without requiring LD_LIBRARY_PATH to be set. The default - path should be relative using @rpath on osx and $ORIGIN - on linux. Windows is not affected. + Changed the TGZ option for SZip and ZLib to disable the options + if the source tar.gz files are not found. + + (ADB - 2019/02/05, HDFFV-10697) + + - Added a new option to enable/disable using pread/pwrite instead of + read/write in the sec2, log, and core VFDs. + + This option is enabled by default when pread/pwrite are detected. + + Autotools: --enable-preadwrite + CMake: HDF5_ENABLE_PREADWRITE + + (DER - 2019/02/03, HDFFV-10696) + + - Rework CMake versioning for OSX platforms. + + Changed the current_version and compatibility_version flags from optional + with HDF5_BUILD_WITH_INSTALL_NAME to always setting the flags for OSX. + + (ADB - 2019/01/22, HDFFV-10685) + + - Rework CMake command files to eliminate developer CMP005 warning + + Use variables without quotes in if () statements. + + (ADB - 2019/01/18, TILABS-105) + + - Rework CMake configure files to eliminate developer CMP0075 warning + + Renamed varname to HDF5_REQUIRED_LIBRARIES as the contents were not + required for configuration. Also moved check includes calls to top of + files. + + (ADB - 2019/01/03, HDFFV-10546) + + - Keep stderr and stdout separate in tests + + Changed test handling of output capture. Tests now keep the stderr + output separate from the stdout output. It is up to the test to decide + which output to check against a reference. Also added the option + to grep for a string in either output. + + (ADB - 2018/12/12, HDFFV-10632) + + - Incorrectly installed private header files were removed from + CMake installs. + + The CMake build files incorrectly flagged the following header files + as public and installed them. They are private and will no longer be + installed. + + HDF5 library private package files (H5Xpkg.h) + H5Edefin.h + H5Einit.h + H5Eterm.h + H5LTparse.h + h5diff.h + h5tools_dump.h + h5tools.h + h5tools_ref.h + h5tools_str.h + h5tools_utils.h + h5trav.h + + (DER - 2018/10/26, HDFFV-10614, 10609) + + - Autotools installs now install H5FDwindows.h + + This is simply to align the installed header files between the + autotools and CMake. H5FDwindows.h has no functionality on + non-Windows systems. + + (DER - 2018/10/26, HDFFV-10614) - (ADB - 2018/09/26, HDFFV-10594) Library: -------- - - Allow pre-generated H5Tinit.c and H5make_libsettings.c to be used. + - The sec2, log, and core VFDs can now use pread/pwrite instead of + read/write. + + pread and pwrite do not change the file offset, a feature that was + requested by a user working with a multi-threaded application. + + The option to configure this feature is described above. + + (DER - 2019/02/03, HDFFV-10696) + + - Add ability to minimze dataset object headers. + + Creation of many, very small datasets resulted in extensive file bloat + due to extra space in the dataset object headers -- this space is + allocated by default to allow for the insertion of a small number of + attributes within the object header and not require a continuation + block, an unnecessary provision in the target use case. + + Inform the library to expect no attributes on created datasets, and to + allocate the least space possible for the object headers. + NOTE: A continuation block is created if attributes are added to a + 'minimized' dataset, which can reduce performance. + NOTE: Some extra space is allocated for attributes essential to the + correct behavior of the object header (store creation times, e.g.). This + does not violate the design principle, as the space is calculated and + allocated as needed at the time of dataset object header creation -- + unused space is not generated. + New API calls: + H5Fget_dset_no_attrs_hint + H5Fset_dset_no_attrs_hint + H5Pget_dset_no_attrs_hint + H5Pset_dset_no_attrs_hint + + (JOS - 2019/01/04, TRILAB-45) + + - Added new chunk query functions + + The following public functions were added to discover information about + the chunks in an HDF5 file. + herr_t H5Dget_num_chunks(dset_id, fspace_id, *nchunks) + herr_t H5Dget_chunk_info_by_coord(dset_id, *coord, *filter_mask, *addr, *size) + herr_t H5Dget_chunk_info(dset_id, fspace_id, index, *coord, *filter_mask, *addr, *size) + + (BMR - 2018/11/07, HDFFV-10615) + + - Several empty public header files where removed from the distribution + + The following files were empty placeholders. They are for internal + packages that are unlikely to ever have public functionality and have + thus been removed. + + H5Bpublic.h + H5B2public.h + H5FSpublic.h + H5HFpublic.h + H5HGpublic.h + H5HLpublic.h + + They were only installed in CMake builds. + + (DER - 2018/10/26, HDFFV-10614) + + + Parallel Library: + ----------------- + - Changed the default behavior in parallel when reading the same dataset in its entirety + (i.e. H5S_ALL dataset selection) which is being read by all the processes collectively. + The dataset must be contiguous, less than 2GB, and of an atomic datatype. + The new behavior is the HDF5 library will use an MPI_Bcast to pass the data read from + the disk by the root process to the remain processes in the MPI communicator associated + with the HDF5 file. + + (MSB - 2019/01/02, HDFFV-10652) + + - All MPI-1 API calls have been replaced with MPI-2 equivalents. + + This was done to better support OpenMPI, as default builds no longer + include MPI-1 support (as of OpenMPI 4.0). + + (DER - 2018/12/30, HDFFV-10566) + + Fortran Library: + ---------------- + - Added wrappers for dataset object header minimization calls. + (see the note for TRILAB-45, above) + + New API calls: + + h5fget_dset_no_attrs_hint_f + h5fset_dset_no_attrs_hint_f + h5pget_dset_no_attrs_hint_f + h5pset_dset_no_attrs_hint_f + + (DER - 2019/01/09, TRILAB-45) + + - Added new Fortran derived type, c_h5o_info_t, which is interoperable with + C's h5o_info_t. This is needed for callback functions which + pass C's h5o_info_t data type definition. + + (MSB, 2019/01/08, HDFFV-10443) + + - Added new Fortran API, H5gmtime, which converts (C) 'time_t' structure + to Fortran DATE AND TIME storage format. + + (MSB, 2019/01/08, HDFFV-10443) + + - Added new Fortran 'fields' optional parameter to: h5ovisit_f, h5oget_info_by_name_f, + h5oget_info, h5oget_info_by_idx and h5ovisit_by_name_f. + + (MSB, 2019/01/08, HDFFV-10443) + + C++ Library: + ------------ + - Added new function to the C++ interface + + Added wrapper for H5Ovisit2: + H5Object::visit() + + (BMR - 2019/02/14, HDFFV-10532) + + + Java Library: + ---------------- + - Rewrote the JNI error handling to be much cleaner - Rather than always running H5detect and generating H5Tinit.c and - H5make_libsettings.c, supply a location for those files. + (JTH - 2019/02/12) - (ADB - 2018/09/18, HDFFV-10332) + - Add new functions to java interface + Added wrappers for: + H5Fset_libver_bounds + H5Fget_dset_no_attrs_hint/H5Fset_dset_no_attrs_hint + H5Pget_dset_no_attrs_hint/H5Pset_dset_no_attrs_hint -Bug Fixes since HDF5-1.10.3 release + (ADB - 2019/01/07, HDFFV-10664) + + - Fix java unit tests when Time is a natural number + + Time substitution in java/test/junit.sh.in doesn't + handle the case when Time is a natural number. Fixed + the regular expression. + + (ADB - 2019/01/07, HDFFV-10674) + + - Duplicate the data read/write functions of Datasets for Attributes. + + Region references could not be displayed for attributes as they could + for datasets. Datasets had overloaded read and write functions for different + datatypes that were not available for attributes. After adding similar + functions, attribute region references work normally. + + (ADB - 2018/12/12, HDFVIEW-4) + + + Tools: + ------ + - The h5repart -family-to-sec2 argument was changed to -family-to-single + + In order to better support other single-file VFDs which could work with + h5repart, the -family-to-sec2 argument was renamed to -family-to-single. + This is just a name change and the functionality of the argument has not + changed. + + The -family-to-sec2 argument has been kept for backwards-compatibility. + This argument should be considered deprecated. + + (DER - 2018/11/14, HDFFV-10633) + + +Bug Fixes since HDF5-1.10.4 release ================================== Library ------- - - Allow H5detect and H5make_libsettings to take a file as an argument. + - Fix hangs with collective metadata reads during chunked dataset I/O + + In the parallel library, it was discovered that when a particular + sequence of operations following a pattern of: + + "write to chunked dataset" -> "flush file" -> "read from dataset" + + occurred with collective metadata reads enabled, hangs could be + observed due to certain MPI ranks not participating in the collective + metadata reads. + + To fix the issue, collective metadata reads are now disabled during + chunked dataset raw data I/O. + + (JTH - 2019/02/11, HDFFV-10563, HDFFV-10688) + + - Performance issue when closing an object + + The slow down is due to the search of the "tag_list" to find + out the "corked" status of an object and "uncork" it if so. + + Improve performance by skipping the search of the "tag_list" + if there are no "corked" objects when closing an object. + + (VC - 2019/02/06) + + - Uninitialized bytes from a type conversion buffer could be written + to disk in H5Dwrite calls where type conversion takes place + and the type conversion buffer was created by the HDF5 library. + + When H5Dwrite is called and datatype conversion must be performed, + the library will create a temporary buffer for type conversion if + one is not provided by the user via H5Pset_buffer. This internal + buffer is allocated via malloc and contains uninitialized data. In + some datatype conversions (float to long double, possibly others), + some of this uninitialized data could be written to disk. + + This was flagged by valgrind in the dtransform test and does not + appear to be a common occurrence (it is flagged in one test out + of the entire HDF5 test suite). + + Switching to calloc fixed the problem. + + (DER - 2019/02/03, HDFFV-10694) + + - There was missing protection against division by zero reported to + The HDF Group as issue #CVE-2018-17434. + + Protection against division by zero was added to address the issue + #CVE-2018-17434. + + (BMR - 2019/01/29, HDFFV-10586) + + - The issue CVE-2018-17437 was reported to The HDF Group - Rather than only writing to stdout, add a command argument to name - the file that H5detect and H5make_libsettings will use for output. - Without an argument, stdout is still used, so backwards compatibility - is maintained. + Although CVE-2018-17437 reported a memory leak, the actual issue + was invalid read. It was found that the attribute name length + in an attribute message was corrupted, which caused the buffer + pointer to be advanced too far and later caused an invalid read. - (ADB - 2018/09/05, HDFFV-9059) + A check was added to detect when the attribute name or its length + was corrupted and report the potential of data corruption. + + (BMR - 2019/01/29, HDFFV-10588) + + - H5Ewalk did not stop when it was supposed to + + H5Ewalk was supposed to stop when the callback function stopped + even though the errors in the stack were not all visited, but it + did not. This problem is now fixed. + + (BMR - 2019/01/29, HDFFV-10684) + + - Revert H5Oget_info* and H5Ovisit* functions + + In 1.10.3 new H5Oget_info*2 and H5Ovisit*2 functions were + added for performance. Inadvertently, the original functions; + H5Oget_info, + H5Oget_info_by_name, + H5Oget_info_by_idx, + H5Ovisit, + H5Ovisit_by_name + were versioned to H5Oget_info*1 and H5Ovisit*1. This + broke the API compatibility for a maintenance release. The + original functions have been restored. + + (ADB - 2019/01/24, HDFFV-10686) + + - Fixed a potential invalid memory access and failure that could occur when + decoding an unknown object header message (from a future version of the + library). + + (NAF - 2019/01/07) + + - Deleting attributes in dense storage + + The library aborts with "infinite loop closing library" after + attributes in dense storage are created and then deleted. + + When deleting the attribute nodes from the name index v2 B-tree, + if an attribute is found in the intermediate B-tree nodes, + which may be merged/redistributed in the process, we need to + free the dynamically allocated spaces for the intermediate + decoded attribute. + + (VC - 2018/12/26, HDFFV-10659) + + - There was missing protection against division by zero reported to + The HDF Group as issue #CVE-2018-17233. + + Protection against division by zero was added to address the issue + #CVE-2018-17233. In addition, several similar occurrences in the same + file were fixed as well. + + (BMR - 2018/12/23, HDFFV-10577) + + - Fixed an issue where the parallel filters tests would fail + if zlib was not available on the system. Until support can + be added in the tests for filters beyond gzip/zlib, the tests + will be skipped if zlib is not available. + + (JTH - 2018/12/05) - A bug was discovered in the parallel library where an application - would hang if a collective read/write of a chunked dataset occurred - when collective metadata reads were enabled and some of the ranks - had no selection in the dataset's dataspace. The ranks which had no - selection in the dataset's dataspace called H5D__chunk_addrmap() to - retrieve the lowest chunk address in the dataset. This is because we - require reads/writes to be performed in strictly non-decreasing order - of chunk address in the file. - - When the chunk index used was a version 1 or 2 B-tree, these - non-participating ranks would issue a collective MPI_Bcast() call - that the participating ranks would not issue, causing the hang. Since - the non-participating ranks are not actually reading/writing anything, - the H5D__chunk_addrmap() call can be safely removed and the address used - for the read/write can be set to an arbitrary number (0 was chosen). - - (JTH - 2018/08/25, HDFFV-10501) + would eventually consume all of the available MPI communicators + when continually writing to a compressed dataset in parallel. This + was due to internal copies of an HDF5 File Access Property List, + which each contained a copy of the MPI communicator, not being + closed at the end of each write operation. This problem was + exacerbated by larger numbers of processors. + + (JTH - 2018/12/05, HDFFV-10629) - Java Library: - ---------------- - - JNI native library dependencies - - The build for the hdf5_java native library used the wrong - hdf5 target library for CMake builds. Correcting the hdf5_java - library to build with the shared hdf5 library required testing - paths to change also. - (ADB - 2018/08/31, HDFFV-10568) + Fortran + -------- + - Fixed issue with Fortran not returning h5o_info_t field values + meta_size%attr%index_size and meta_size%attr%heap_size. - - Java iterator callbacks + (MSB, 2019/01/08, HDFFV-10443) - Change global callback object to a small stack structure in order - to fix a runtime crash. This crash was discovered when iterating - through a file with nested group members. The global variable - visit_callback is overwritten when recursion starts. When recursion - completes, visit_callback will be pointing to the wrong callback method. + - Added symbolic links libhdf5_hl_fortran.so to libhdf5hl_fortran.so and + libhdf5_hl_fortran.a to libhdf5hl_fortran.a in hdf5/lib directory for + autotools installs. These were added to match the name of the files + installed by cmake and the general pattern of hl lib files. We will + change the names of the installed lib files to the matching name in + the next major release. - (ADB - 2018/08/15, HDFFV-10536) + (LRK - 2019/01/04, HDFFV-10596) - - Java HDFLibraryException class + - Made Fortran specific subroutines PRIVATE in generic procedures. - Change parent class from Exception to RuntimeException. + Affected generic procedures were functions in H5A, H5D, H5P, H5R and H5T. - (ADB - 2018/07/30, HDFFV-10534) + (MSB, 2018/12/04, HDFFV-10511) - - JNI Read and Write - Refactored variable-length functions, H5DreadVL and H5AreadVL, - to correct dataset and attribute reads. New write functions, - H5DwriteVL and H5AwriteVL, are under construction. + Testing + ------- + - Fixed a test failure in testpar/t_dset.c caused by + the test trying to use the parallel filters feature + on MPI-2 implementations. - (ADB - 2018/06/02, HDFFV-10519) + (JTH, 2019/2/7) Supported Platforms @@ -175,10 +508,9 @@ Supported Platforms Windows 7 Visual Studio 2015 w/ Intel Fortran 16 (cmake) - Windows 7 x64 Visual Studio 2012 w/ Intel Fortran 15 (cmake) - Visual Studio 2013 w/ Intel Fortran 15 (cmake) + Windows 7 x64 Visual Studio 2013 Visual Studio 2015 w/ Intel Fortran 16 (cmake) - Visual Studio 2015 w/ Intel C, Fortran 2017 (cmake) + Visual Studio 2015 w/ Intel C, Fortran 2018 (cmake) Visual Studio 2015 w/ MSMPI 8 (cmake) Windows 10 Visual Studio 2015 w/ Intel Fortran 18 (cmake) @@ -194,9 +526,8 @@ Supported Platforms 64-bit gfortran GNU Fortran (GCC) 5.2.0 (osx1011dev/osx1011test) Intel icc/icpc/ifort version 16.0.2 - Mac OS Sierra 10.12.6 Apple LLVM version 8.1.0 (clang/clang++-802.0.42) - 64-bit gfortran GNU Fortran (GCC) 7.1.0 - (kite) Intel icc/icpc/ifort version 17.0.2 + MacOS High Sierra 10.13.6 Apple LLVM version 10.0.0 (clang/clang++-1000.10.44.4) + 64-bit gfortran GNU Fortran (GCC) 8.3.0 Tested Configuration Features Summary @@ -222,10 +553,9 @@ Windows 7 Cygwin n y/n n y y y Windows 7 x64 Cygwin n y/n n y y y Windows 10 y y/y n y y y Windows 10 x64 y y/y n y y y -Mac OS X Mavericks 10.9.5 64-bit n y/y n y y y Mac OS X Yosemite 10.10.5 64-bit n y/y n y y y Mac OS X El Capitan 10.11.6 64-bit n y/y n y y y -Mac OS Sierra 10.12.6 64-bit n y/y n y y y +MacOS High Sierra 10.13.6 64-bit n y/y n y y y CentOS 7.2 Linux 3.10.0 x86_64 PGI n y/y n y y y CentOS 7.2 Linux 3.10.0 x86_64 GNU y y/y y y y y CentOS 7.2 Linux 3.10.0 x86_64 Intel n y/y n y y y @@ -242,10 +572,9 @@ Windows 7 Cygwin n n n y Windows 7 x64 Cygwin n n n y Windows 10 y y y y Windows 10 x64 y y y y -Mac OS X Mavericks 10.9.5 64-bit y n y y -Mac OS X Yosemite 10.10.5 64-bit y n y y -Mac OS X El Capitan 10.11.6 64-bit y n y y -Mac OS Sierra 10.12.6 64-bit y n y y +Mac OS X Yosemite 10.10.5 64-bit y y y y +Mac OS X El Capitan 10.11.6 64-bit y y y y +MacOS High Sierra 10.13.6 64-bit y y y y CentOS 7.2 Linux 3.10.0 x86_64 PGI y y y n CentOS 7.2 Linux 3.10.0 x86_64 GNU y y y y CentOS 7.2 Linux 3.10.0 x86_64 Intel y y y n @@ -257,7 +586,7 @@ Compiler versions for each platform are listed in the preceding More Tested Platforms ===================== -The following platforms are not supported but have been tested for this release. +The following configurations are not supported but have been tested for this release. Linux 2.6.32-573.22.1.el6 GNU C (gcc), Fortran (gfortran), C++ (g++) #1 SMP x86_64 GNU/Linux compilers: @@ -275,8 +604,9 @@ The following platforms are not supported but have been tested for this release. #1 SMP x86_64 GNU/Linux Version 4.8.5 20150623 (Red Hat 4.8.5-4) (jelly) with NAG Fortran Compiler Release 6.1(Tozai) GCC Version 7.1.0 - OpenMPI 3.0.0-GCC-7.2.0-2.29, - 3.1.0-GCC-7.2.0-2.29 + MPICH 3.2-GCC-4.9.3 + MPICH 3.2.1-GCC-7.2.0-2.29 + OpenMPI 2.1.5-GCC-7.2.0-2.29 Intel(R) C (icc) and C++ (icpc) compilers Version 17.0.0.098 Build 20160721 with NAG Fortran Compiler Release 6.1(Tozai) @@ -285,29 +615,15 @@ The following platforms are not supported but have been tested for this release. #1 SMP x86_64 GNU/Linux (moohan) - Linux 2.6.32-573.18.1.el6.ppc64 MPICH mpich 3.1.4 compiled with - #1 SMP ppc64 GNU/Linux IBM XL C/C++ for Linux, V13.1 - (ostrich) and IBM XL Fortran for Linux, V15.1 - - Debian 8.4 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1 x86_64 GNU/Linux - gcc, g++ (Debian 4.9.2-10) 4.9.2 - GNU Fortran (Debian 4.9.2-10) 4.9.2 - (cmake and autotools) - - Fedora 24 4.7.2-201.fc24.x86_64 #1 SMP x86_64 x86_64 x86_64 GNU/Linux - gcc, g++ (GCC) 6.1.1 20160621 - (Red Hat 6.1.1-3) - GNU Fortran (GCC) 6.1.1 20160621 - (Red Hat 6.1.1-3) - (cmake and autotools) - - Ubuntu 16.04.1 4.4.0-38-generic #57-Ubuntu SMP x86_64 GNU/Linux - gcc, g++ (Ubuntu 5.4.0-6ubuntu1~16.04.2) - 5.4.0 20160609 - GNU Fortran (Ubuntu 5.4.0-6ubuntu1~16.04.2) - 5.4.0 20160609 + Fedora 29 4.20.10-200.fc29.x86_64 #1 SMP x86_64 x86_64 x86_64 GNU/Linux + gcc, g++ (GCC) 8.2.1 20181215 + (Red Hat 8.2.1-6) + GNU Fortran (GCC) 8.2.1 20181215 + (Red Hat 8.2.1-6) (cmake and autotools) + Windows 7 x64 Visual Studio 2008 + Known Problems ============== @@ -323,6 +639,27 @@ Known Problems t_pflush1/fails on exit The first two tests fail attempting collective writes. + CPP ptable test fails on VS2017 with Intel compiler, JIRA issue: HDFFV-10628. + This test will pass with VS2015 with Intel compiler. + + Older MPI libraries such as OpenMPI 2.0.1 and MPICH 2.1.5 were tested + while attempting to resolve the Jira issue: HDFFV-10540. + The known problems of reading or writing > 2GBs when using MPI-2 was + partially resolved with the MPICH library. The proposed support recognizes + IO operations > 2GB and if the datatype is not a derived type, the library + breaks the IO into chunks which can be input or output with the existing + MPI 2 limitations, i.e. size reporting and function API size/count + arguments are restricted to be 32 bit integers. For derived types larger + than 2GB, MPICH 2.1.5 fails while attempting to read or write data. + OpenMPI in contrast, implements MPI-3 APIs even in the older releases + and thus does not suffer from the 32 bit size limitation described here. + OpenMPI releases prior to v3.1.3 appear to have other datatype issues however, + e.g. within a single parallel test (testphdf5) the subtests (cdsetr, eidsetr) + report data verfication errors before eventually aborting. + The most recent versions of OpenMPI (v3.1.3 or newer) have evidently + resolved these isses and parallel HDF5 testing does not currently report + errors though occasional hangs have been observed. + Known problems in previous releases can be found in the HISTORY*.txt files in the HDF5 source. Please report any new problems found to help@hdfgroup.org. |