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
Scheduling suspended Batch Resolved

We have temporarily suspended scheduling due to some problems with the parallel scratch file system.

12 years 2 weeks ago 12 years 2 weeks ago
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 9 months ago 1 year 5 months ago
NFS outage on Thursday Jan 17 from 7am to 8am filesystem Resolved

Update:

This work has been canceled and will be done during downtime on Feb. 5. 

Original Post:

On Thursday, January 17th from 7 am to 8 am OSC will have a GPFS...

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7 years 9 months ago 7 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 10 months ago 4 years 10 months ago
June 7th downtime to finish at 6:30PM Connectivity, filesystem, Infrastructure, login, Login Problems, Maintenance, Operations, Outage Resolved

Update: Downtime completed at 6:30PM, June 7th.

 

The June 7th downtime is now slated to be completed at 6:30PM.  Previous estimate was 5PM.

All systems and services will...

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10 years 4 months ago 10 years 4 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 1 month ago 1 year 4 days ago
Poor network performance on some filesystems filesystem Resolved

We are experiencing some network performance issues on a cluster of servers involved with providing GPFS and some project filesystems. GPFS appears to be functioning acceptably, but proj01, proj02...

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13 years 2 months ago 13 years 2 months ago
MOE license server down Licensing Resolved

The MOE license server is experiencing an unknown issue and potentially down.  We are working to resolve the issue.

3 years 3 weeks ago 3 years 3 weeks ago
Rolling reboot of Owens cluster, starting from 8:30AM Oct 30, 2017 Batch, Owens Resolved

Updated on Nov 21, 2017 at 3:33PM:

It has been completed. 

Updated on October 20, 2017 at 4:19PM:

We will have a rolling reboot of Owens...

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8 years 11 months ago 8 years 10 months ago
Parallel job with IntelMPI hangs Software Resolved

...

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2 years 6 months ago 2 years 2 months ago

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