diff options
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index f6b366e..4d914b8 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -49,9 +49,7 @@ New Features configure option, it was never up to production standards anyway. -QAK 2006/4/20 - Added a --enable-group-revision option to configure, to enable - segregating the ongoing work on changing the file format. DO - NOT ENABLE THIS OPTION! It is strictly for internal library - development! -QAK 2006/4/14 + segregating the ongoing work on changing the file format. .-"""""-. / \ @@ -63,6 +61,8 @@ New Features .-.-'_.-' `-----' '-._'-.-. (,_.'` `'._,) + DO NOT ENABLE THIS OPTION! It is strictly for internal library + development! -QAK 2006/4/14 - Added a macro hdf5_mpi_special_collective_io_works to filter out some mpi-io packages that don't support collective IO for no IO contributions in some processes. -KY 2006/2/16 @@ -468,6 +468,41 @@ Bug Fixes since HDF5-1.6.0 release Library ------- + - Fixed file corruption bug which could write an incorrect number of + messages to an object's header under certain circumstances. + Generally, the sequence of actions to generate this bug looks + like this: + - Create an object + - Close the file + - Re-open the file + - Add 2 (or more) attributes to the object + - Close the file + - Re-open the file + - Delete one of the attributes on the object + - Add a smaller attribute to the object + - Delete the smaller atttribute on the object + - Add a larger attribute on the object + + After this, the number of header messages stored for the object + will be off by one. Other sequences of modifying attributes on an + object could also trigger this bug. If you are opening an + object and the bottom few messages of the HDF5 error stack + resembles this, the object has been affected by this bug: + + #007: ../../hdf5_v1.6/src/H5C.c line 3887 in H5C_load_entry(): unable to load entry + major(08): Meta data cache layer + minor(40): Unable to load metadata into cache + #008: ../../hdf5_v1.6/src/H5Ocache.c line 332 in H5O_load(): corrupt object header - too few messages + major(12): Object header layer + minor(40): Unable to load metadata into cache + + Specifically, "corrupt object header" is the best string to search + for in the HDF5 error stack output. + + If your files have been affected by this bug, or you are concerned + that your files might have been, please contact the HDF Helpdesk + at hdfhelp@ncsa.uiuc.edu for a tool to detect and repair files + affected by this problem. QAK - 2006/6/16 - Fixed various problems with retrieving names of objects, especially with mounted files. QAK - 2005/12/25 - Fixed core dump when closing root groups opened through two different |