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 ascending Description Posted Updated
Reboot of Public-Facing Systems for Security Fix Resolved

Updates on May 12:

All  public-facing systems have been rebooted. 

Original Post:

Due to a critical...

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5 months 1 week ago 4 months 3 weeks ago
Login problem Resolved

Around 10am EDT, OSC began to experience problems with our infrastructure.  Login sessions began to be affected around 11:30 EDT. The problem was resolved around 1pm EDT, and all systems have...

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2 years 5 months ago 2 years 5 months ago
NCCL 2.29 Performance Regression on Ascend and Pitzer Clusters Ascend, Pitzer, Software Resolved
(workaround)

We have identified a potential performance regression in point-to-point communication when using NCCL version 2.29 on the Ascend and Pitzer clusters, which results...

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2 months 5 days ago 2 months 5 days ago
Rolling reboots on all HPC systems starting Oct 31 2024 Owens, Pitzer Resolved

Updates on Nov 13 2024:

Pitzer is completed. 

Updates...

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1 year 11 months ago 1 year 10 months ago
ArcGIS License problems Software Resolved

We are experiencing problems with the ArcGIS license server. We will resume working on restoring access to this software on October 24th, 2018.

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It is fixed and running...

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7 years 11 months ago 7 years 11 months ago
Backup failures on ess filesystem Backups, filesystem Resolved

The backups on the /fs/ess filesystem are having issues running. There has not been a successful backup of this filesystem since Sunday, 08 August 2021.

OSC is working with the vendor to...

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5 years 1 month ago 5 years 1 month ago
pdsh -j broken on Oakley Batch, system software Resolved

pdsh -j is broken on Oakley.  It was broken by updates during the September downtime.  We are currently working on resolving the issue.

Users who require...

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10 years 10 months ago 8 years 4 months ago
OSC Service Outage Notification Outage Resolved

We are currently experiencing outages affecting multiple services, including OnDemand (ondemand.osc.edu) and login nodes of HPC systems. Our team is actively investigating and working to resolve...

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1 year 3 months ago 1 year 3 months ago
HPC Job Activity Table: Save Report client portal Resolved

If you save a report at the HPC Job Activity Table, you must exit out of your web browser in order to have the report saved correctly and be able to switch in between the reports.

There is...

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7 years 2 months ago 6 years 6 months 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...

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3 years 7 months ago 1 year 5 months ago

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