• ​​​​​​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 ascending Description Posted Updated
Python version mismatch in Jupyter + Spark instance Software Resolved
(workaround)

You may encounter the following error message when running a Spark instance using a custom kernel in the Jupyter + Spark app:

25/04/25 10:49:01 WARN TaskSetManager:...
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1 year 4 months ago 9 months 1 week ago
Abaqus Service Disruption Expected Software Resolved

Update 12/3/14: 

OSC has acquired its new ABAQUS license with new license terms.  Use is now limited by both institution and for use in educational, institutional, instructional...

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11 years 10 months ago 11 years 9 months ago
Symlinks to /fs/project directories were missed filesystem Resolved

Symlinks to /fs/project directories were missed for a short period of time both on Tuesday afternoon October 11(right after downtime) and Wedenday morning October 12. It might result in job...

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3 years 11 months ago 3 years 11 months ago
Gaussian g16b01 G4 problem Owens, Pitzer, Software Resolved
(workaround)

Gaussian-4 (G4) theory calculations in Gaussian 16 Rev. B.01 can produce erratic results.  A workaround is to use Gaussian 16 Rev. A.03 or Rev. C.01, e.g.: 

module load gaussian/...
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7 years 7 months ago 1 year 4 months ago
Rolling reboots across all OSC clusters beginning 09/16/2026 Unresolved
  • ​​​​​​Date: Wednesday, September 16, 2026

  • Affected Systems: All...

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1 day 11 hours ago 15 hours 19 min ago
Temporary Login Node Instability on Ascend and Cardinal Ascend, Cardinal Unresolved

We are currently experiencing temporary instability on the Ascend and Cardinal login nodes, which may result in slow response times or unexpected session disconnects. Our team is actively...

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3 months 2 weeks ago 3 weeks 15 hours ago

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