tonycurtis

Thank you for taking the time to submit an issue! ## Background information I have OpenMPI installed as a PMIx-aware launcher for a separate OpenSHMEM implementation that also uses PMIx....

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...

AMD x86 cluster: git HEAD hanging now but 1.12.1 working

7

### Describe the bug Was using 1.12.1 on an AMD x86 cluster, then switched to github head, programs working with IB transports (rc, dc) now hang. Single node runs with...

### Setup and versions - OS version (e.g Linux distro) + CPU architecture (x86_64/aarch64/ppc64le/...) - `cat /etc/issue` or `cat /etc/redhat-release` + `uname -a` ``` $ cat /etc/redhat-release Fedora release 36...

### Describe the bug `ucx_info -d` output for knem shows a bizarrely huge registration time cost not seen in git HEAD version ### Setup and versions - OS version (e.g...

### Describe the bug `ucx_info -d` reports much slower registration cost for `knem` on a64fx platform after an upgrade from CentOS 8.4 to Rocky 8.4. Not seen with released ucx...

RUN: performance hit from ucx 1.11 to 1.12 with OMPI & OSU benchmarks

9

### Describe the bug Running v5.8 of the OSU benchmarks: here's the MPI pt2pt bidirectional b/w (2 nodes, 1 rank per node) With Open-MPI 4.1.2 + UCX 1.11.2 ``` #...

With community PGI on Fedora 30 x86_64 ```shell $ make c++ pgc++ -o pic.exe pic.cpp -fast -Minfo=opt "/usr/include/c++/9/bits/stl_function.h", line 437: error: identifier "__builtin_is_constant_evaluated" is undefined if (__builtin_is_constant_evaluated()) ^ 1 error...

Kernel interface changed file_ops to proc_ops

Changes to handle kernel 5.6 series

2

struct file_operations replaced with proc_ops. This PR addresses those changes.