ompi

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**NOTE:** The Open MPI v4.1.x branch was created after v4.0.5. Hence, for some of the `git log ...` commands, the `last_release_tag` should probably be `v4.0.5`. ## Build the Release -...

bwbarrett

Return error from node failure

6

## Background information ### What version of Open MPI are you using? v5.0.0rc7 ### Describe how Open MPI was installed tarball ### Please describe the system on which you are...

hatmer

FAQ on using single socket

21

Over-and-over again, i run into this issue when doing performance testing. I would appreciate it if you would add the answer to your FAQ: How do I parameterize "mpirun" so...

cponder

UCC initialization fails at mca_coll_ucc_save_coll_handlers(), when under HAN

6

Hi, I'm seeing an initialization failure when combining `coll/han` with `coll/ucc`. Environment: ``` Open MPI v5.0.x (#9605bed) UCC master (#1d808c9) ``` Execution: ``` $(which mpirun) --host A:2,B:2 --mca coll libnbc,basic,ucc,han...

gkatev

MPI_Comm_split_type does not behave as expected

16

## Background information ### What version of Open MPI are you using? (e.g., v3.0.5, v4.0.2, git branch name and hash, etc.) Open MPI 4.1.2 ### Describe how Open MPI was...

jkarns275

OpenMPI Freezes during multi-threaded communication

23

## Background information I am working on a project where we use multiple pthreads within a single MPI process, allowing each pthread to communicate with MPI. We have noticed that...

IanSaucy

OMPI v5.0.0RC6 with ORTE fails to compile when built against PMIx 3.2.3

10

## Background information ### What version of Open MPI are you using? * OpenMPI v5.0.0RC6 with GCC 10.3.0. ### Describe how Open MPI was installed (e.g., from a source/distribution tarball,...

robert-mijakovic

Info key not propagated during communicator creation

7

Hi, I'm seeing an issue when creating a communicator with `MPI_Comm_dup_with_info`. Even though I pass an info key, it is never delivered to my collective component (in the `module_enable` stage)....

gkatev

Possible heap-use-after-free reported by AddressSanitizer inside PMPI_Init call

3

### What version of Open MPI are you using? (e.g., v3.0.5, v4.0.2, git branch name and hash, etc.) v4.1.3 ### Describe how Open MPI was installed (e.g., from a source/distribution...

dqwu

ompi 4.1.3: segmentation fault at launch on Fedora 36

3

Thank you for taking the time to submit an issue! ## Background information 4.1.3 does what's described below at launch. 4.1.2 is fine. ### What version of Open MPI are...

tonycurtis