• ​​​​​​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
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 10 hours ago 14 hours 24 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
Core label on OnDemand app is incorrect OnDemand Resolved

The core label on the OnDemand app incorrectly displays as '1', regardless of the requested number of cores for a job. While this label is incorrect, the job is still allocated the correct number...

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1 year 8 months ago 1 year 7 months ago
Armstrong inaccessible Resolved

Update: 2PM March 12th: Armstrong is back up and running.  Please notify oschelp@osc.edu of any lingering issues.


As of 10AM Thursday March 12th...

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11 years 6 months ago 11 years 6 months ago
GPFS filesystem Errors on June 4 2019 filesystem Resolved

Update Posted on 04 June 2019 12:27 PM

We fixed the problem with both project and scratch filesystem and the service has been restored. Please contact ...

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7 years 3 months ago 7 years 3 months ago
Very little free space for metadata on the scratch storage /fs/scratch filesystem Resolved

Updated 15:30 October 19:

The issue of little space for metadata on scratch storage is resolved. If you have any questions, please contact...

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4 years 11 months ago 4 years 11 months ago
cp2k/2023.2 can produce huge output containing MKL messages Ascend, Cardinal, Pitzer, Software Resolved
(workaround)

On all clusters the cp2k executables from module cp2k/2023.2 can produce huge output files due to many many repeating errors from MKL, e.g.:

...
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1 year 1 month ago 11 months 2 weeks ago
Issues with VDI through OnDemand Batch Resolved

Update: Jan 23, 2017 3PM: this issue has been fixed. 

There is an issue with OSC OnDemand -> Desktops -> Virtual Desktop Interface (VDI) such that you get "qsub: submit error ..."...

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9 years 7 months ago 9 years 7 months ago
PyTorch jobs timeout and hanging GPU Resolved

We have observed that many PyTorch users frequently encounter random timeouts, which result in the termination of their jobs but leave the process running on the node....

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3 years 2 months ago 2 years 8 months ago
Oakley login node down login Resolved

One of the Oakley login nodes is down. We are currently working on bringing it back online. SSH connections to oakley.osc.edu may time out. A workaround is to connect directly to oakley01.osc.edu...

12 years 6 months ago 12 years 6 months ago

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