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

Title Category Resolutionsort descending Description Posted Updated
Performance issues with MVAPICH2 on Cardinal Cardinal, Software Resolved
(workaround)

We have observed that several applications built with MVAPICH2, including Quantum ESPRESSO 7.4.1, HDF5, and OpenFOAM...

Read more
1 year 1 month ago 10 months 3 weeks ago
Account changes temporarily suspended Account Management Resolved

We are still experiencing some account problems related to Thursday's issue. As a result, we have taken my.osc.edu offline and cannot process email changes or password resets, either via self-...

Read more
12 years 4 months ago 12 years 3 months ago
Unavailability of intel channel among the conda channel list: Software Resolved

If you are getting an error: 

UnavailableInvalidChannel: HTTP 403 FORBIDDEN for channel intel <...

Read more
2 years 1 month ago 2 years 1 month ago
Rolling reboots of all three clusters, starting from Tuesday, September 4, 2018 Batch, Owens, Ruby Resolved

10:14 AM 09/17/2018...

Read more
8 years 1 month ago 8 years 3 weeks ago
Problems with GPFS filesystem, and OnDemand is not working filesystem Resolved

Updates on 12:00pm June 10:

The issue is fixed. All impacted services return to production.

We apologize for the inconvience. If you have any questions, please...

Read more
5 years 4 months ago 5 years 4 months ago
Rolling reboots across all OSC clusters beginning 09/16/2026 Resolved
  • ​​​​​​Date: Wednesday, September 16, 2026

  • Affected Systems: All...

Read more
4 weeks 6 hours ago 2 weeks 10 hours ago
warning: libhwloc.so.1 may conflict with libhwloc.so.5 Resolved

Sometimes when building MPI programs the following warning appears.  It is harmless and can be safely ignored.

ld: warning: libhwloc.so.1, needed by /usr/local/mvapich2/1.7-intel/lib/...
Read more
11 years 5 months ago 11 years 1 week ago
Instability on Clusters after May 13 Downtime Resolved

We've been experiencing some instability on the clusters (particularly Cardinal and Ascend) following the recent May 13 downtime, especially with parallel job processing. If you notice any unusual...

Read more
1 year 5 months ago 1 year 4 months ago
Poor performance with hybrid MPI+OpenMPI jobs and more than 4 MPI Tasks on multiple nodes Software Resolved
(workaround)

RELION versions prior to 5 may exhibit suboptimal performance in hybrid MPI+OpenMP jobs when the number of MPI tasks exceeds four across multiple nodes.

Workaround...

Read more
1 year 2 months ago 1 year 2 months ago
Brief interruption of services for some users filesystem Resolved

Today, May 14 2013, at 12:45PM we will be temporarily removing one of the home directory servers from service to address some reliability issues. Users with home...

Read more
13 years 5 months ago 13 years 5 months ago

Pages