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| author | jhendersonHDF <jhenderson@hdfgroup.org> | 2022-04-14 14:05:40 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-14 14:05:40 (GMT) |
| commit | 3961f6500d8303ff03bdd8fb38b0edc618b128ab (patch) | |
| tree | e5866d374dfb2151e58d1ec1a64e9449fe6be504 /release_docs/RELEASE.txt | |
| parent | 1a1e59172dc6312808981baeca4bc1772e126ff3 (diff) | |
| download | hdf5-3961f6500d8303ff03bdd8fb38b0edc618b128ab.zip hdf5-3961f6500d8303ff03bdd8fb38b0edc618b128ab.tar.gz hdf5-3961f6500d8303ff03bdd8fb38b0edc618b128ab.tar.bz2 | |
Hdf5 1 10 merges (#1633)
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 754026c..ff6c9a2 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -56,6 +56,25 @@ New Features (ADB - 2022/03/11) + - HDF5 memory allocation sanity checking is now off by default for + Autotools debug builds + + HDF5 can be configured to perform sanity checking on internal memory + allocations by adding heap canaries to these allocations. However, + enabling this option can cause issues with external filter plugins + when working with (reallocating/freeing/allocating and passing back) + buffers. + + Previously, this option was off by default for all CMake build types, + but only off by default for non-debug Autotools builds. Since debug + is the default build mode for HDF5 when built from source with + Autotools, this can result in surprising segfaults that don't occur + when an application is built against a release version of HDF5. + Therefore, this option is now off by default for all build types + across both CMake and Autotools. + + (JTH - 2022/03/01) + - Refactored the utils folder. Added subfolder test and moved the 'swmr_check_compat_vfd.c file' @@ -164,6 +183,18 @@ Bug Fixes since HDF5-1.10.7 release (JTH - 2021/11/16, HDFFV-10501/HDFFV-10562) + - Fixed several potential MPI deadlocks in library failure conditions + + In the parallel library, there were several places where MPI rank 0 + could end up skipping past collective MPI operations when some failure + occurs in rank 0-specific processing. This would lead to deadlocks + where rank 0 completes an operation while other ranks wait in the + collective operation. These places have been rewritten to have rank 0 + push an error and try to cleanup after the failure, then continue to + participate in the collective operation to the best of its ability. + + (JTH - 2021/11/09) + - Fixed an issue with collective metadata reads being permanently disabled after a dataset chunk lookup operation. This would usually cause a mismatched MPI_Bcast and MPI_ERR_TRUNCATE issue in the library for |