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| -rw-r--r-- | release_docs/RELEASE.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 0398e4a..a23dbdf 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -893,6 +893,10 @@ Linux 2.4 IA64 Intel y n y n y y y Known Problems ============== +* On mpich 1.2.5 and 1.2.6, we found that if more than two processes + contribute no IO and the application asks to do IO with collective, we found + that when using 4 processors, a simple collective write will be hung + sometimes. This can be verified with t_mpi test under testpar. * On IRIX6.5, when C compiler version >7.4, the complicate MPI derived data type code will work. However, the user should be aware to enlarge MPI_TYPE_MAX environment variable to some certian value in order to use collective irregular selection code. |