• ​​​​​​Date: Wednesday, September 16, 2026

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
Ansys OMP: System error #22: Invalid argument Cardinal Resolved
(workaround)

You may encounter the following error while running Ansys on Cardinal:

OMP: Error #100: Fatal system error detected.
OMP: System error #22: Invalid argument
forrtl: error (76): Abort...
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1 year 8 months ago 1 year 4 months ago
Brief disruption to external network, 2013/11/27 Connectivity Resolved

This maintenence was cancelled, to be rescheduled at some undetermined point in the future.

Between 12:01AM and 2:00AM Eastern on Wednesday, November 27th 2013, OARnet will be...

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12 years 10 months ago 12 years 9 months ago
ondemand gpu request error Nov 2021 Batch, OnDemand, Pitzer Resolved

When requesting an interactive session in ondemand and requesting gpu resources, users may see an error similar similar to  "sbatch: error: Invalid generic resource (gres) specification"

...

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4 years 9 months ago 4 years 9 months ago
Occasional failures in file permissions filesystem Resolved

Users may experience occasional failures in file permissions with our filesystem. We've opened a case with the vendor for further investigations. If you get 'permission denied' message when you...

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8 years 6 months ago 4 years 9 months 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 -...
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1 year 3 weeks ago 11 months 2 weeks ago
Balance could be non-existent client portal Resolved

Balances may be none existent in my.osc.edu and OSCusage command. Balances are being properly accounted for in the background.

The bug has been identified and a patch will be released ASAP...

6 years 10 months ago 6 years 8 months ago
Unscheduled GPFS Outage filesystem Resolved

As of 11:30PM on June 16th, we have removed the GPFS filesystem from service due to a number of hardware failures. At this point, further hardware failures would put a large portion of the entire...

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11 years 3 months ago 11 years 2 months ago
OnDemand Shell App Not Working in Firefox 148 OnDemand Resolved

Updates on March 12, 2026: 

This is fixed with OnDemand 4.1.4. 

Original post: 

We are aware of an...

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6 months 3 weeks ago 6 months 1 week ago
Parallel job with IntelMPI hangs Software Resolved

...

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2 years 5 months ago 2 years 1 month ago
Group membership discrepancies Account Management, client portal Resolved

Group changes may not always propagate through to our HPC Systems, although they show in the Client Portal (my.osc.edu). 

Issue: if you are added to a project that is still in a REQUESTED...

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7 years 2 months ago 7 years 1 week ago

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