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
STAR-CCM+ OpenMPI Job Failed due to Out-of-Memory Cardinal, Software Resolved
(workaround)

After the scheduled downtime on May 12, 2026, STAR-CCM+ has been encountering out-of-memory errors when running OpenMPI jobs. A message similar to the following...

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4 months 2 weeks ago 3 months 3 weeks 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 <...

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2 years 1 month ago 2 years 1 month ago
Project space giving errors "No space left on device" filesystem Resolved

11/01/2016 11:52AM Update: This issue has been fixed. 

We have become aware of a problem with the Project storage space that gives errors "No space left on device". The...

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9 years 11 months ago 9 years 11 months 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...

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5 years 4 months ago 5 years 4 months ago
Brief disruption to external network, 2013/12/29 Connectivity Resolved

Between 5:00AM and 9:00AM EDT on Sunday,...

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12 years 9 months ago 12 years 9 months 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...

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1 year 5 months ago 1 year 4 months ago
Rolling reboot of Owens cluster, starting from Monday, April 16, 2018 Owens Resolved

12:00 PM 5/7/2018 Update:

The rolling reboot of Owens has been completed. 

Posted on April 11, 2018, at 3:45...

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8 years 6 months ago 8 years 5 months ago
Replacement of Owens Ethernet switches from Dec 14, 2018 Network, Owens Resolved

Updated on Jan 16, 2019, at 09:20 AM:

The replacement is done except for the three switches including the login nodes of Owens. We posted another notice for more...

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8 years 1 month ago 7 years 9 months ago
GPU Memory Not Released Causing OOM in Subsequent Jobs GPU Resolved
(workaround)

We have noticed that GPU memory is not being properly released in some jobs, causing subsequent jobs on the same nodes to run out of memory (OOM). We are currently working on a resolution...

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1 year 3 weeks ago 7 months 1 week ago
Intermittent home directory performance issues filesystem Resolved

Users may experience performance issues in home directory. It is recommended to use temporary directory ($TMPDIR, or scratch) or project storage to minimize the impact on...

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3 years 3 months ago 3 years 3 months ago

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