We are currently experiencing temporary instability on the Ascend login nodes.

Known issues

Unresolved known issues

Known issue with an Unresolved Resolution state is an active problem under investigation; a temporary workaround may be available.

Resolved known issues

A known issue with a Resolved (workaround) Resolution state is an ongoing problem; a permanent workaround is available which may include using different software or hardware.

A known issue with Resolved Resolution state has been corrected.

Known Issues

Titlesort ascending Category Resolution Description Posted Updated
MVAPICH broken on Ruby Ruby Resolved

Update Monday February 16th -- Ruby MVAPICH2 build fixed.

Ruby's MVAPICH2 build has been fixed.  Please email oschelp@osc.edu with any issues.

... Read more
11 years 4 months ago 11 years 3 months ago
MVAPICH 3.0 hang due to PMI mismatch with Slurm Software Resolved
(workaround)

Applications such as Quantum ESPRESSO, LAMMPS, and NWChem experienced hangs with MVAPICH 3.0 due to a PMI mismatch. MVAPICH 3.0 was built with PMI-1, while newer Slurm versions on RHEL 9... Read more

8 months 1 week ago 4 weeks 1 day ago
Multiple definition error Software Resolved
(workaround)

GNU compiler versions 10+ may have C compiler errors like

/.libs/libmca_mtl_psm.a(mtl_psm_component.o): multiple definition of `mca_mtl_psm_component'

This is a ... Read more

1 year 4 weeks ago 1 year 4 weeks ago
Multi-node job hang with ORCA 5 Owens, Pitzer, Software Resolved
(workaround)

You may experience a multi-node job hang if the job runs into a module that requires heavy I/O, e.g., MP2 or CCSD. Additionally, it potentially leads to our GPFS performance issue. We have... Read more

2 years 2 months ago 1 year 1 month ago
MPI_THREAD_MULTIPLE is not supported with OpenMPI-HPCX 4.x Owens, Software Resolved

A threading code with MPI where MPI_Init_thread uses MPI_THREAD_MULTIPLE will fail because UCX from HPCX package is built without enabling multi-threading. UCX is the... Read more

3 years 3 months ago 1 year 1 month ago
MPI-IO issues on home directories with Intel MPI 2019.3 Pitzer, Software Resolved
(workaround)

Certain MPI-IO operations with intelmpi/2019.3 may crash, fail or proceed with errors on the home directory. We do not expect the same issue on our GPFS file system, such as the... Read more

1 year 4 weeks ago 1 year 4 weeks ago
MPI fails with UCX 1.18 Software Resolved
(workaround)

After the downtime on August 19, 2025, users may encounter UCX errors such as:

UCX ERROR no active messages transport to <no debug data>: self/memory -... Read more          
9 months 3 weeks ago 8 months 1 week ago
MOE license server down Licensing Resolved

The MOE license server is experiencing an unknown issue and potentially down.  We are working to resolve the issue.

2 years 8 months ago 2 years 8 months ago
module spider/avail/show not showing MPI dependent modules Ruby Resolved

On Ruby, the commands:

  • module spider
  • module avail
  • module show... Read more
11 years 1 month ago 10 years 8 months ago
Missing shared library of some mvapich2 modules Owens, Pitzer Resolved

Updates on Feb 25 2022:

This issue is fixed. 

Original Post:

Users may see an issue of missing shared library with some mvapich2 modules... Read more

4 years 3 months ago 4 years 3 months ago

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