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 Resolution Description Postedsort ascending Updated
OSC OnDemand & SSH Connection Degradation login Resolved

OSC OnDemand and cluster login nodes are currently experiencing service degradation and connection issues. Users may encounter slow responsiveness, or connection...

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1 day 22 hours ago 1 day 20 hours ago
Podman Error: "Failed to open() /dev/net/tun: No such device" Software Unresolved

Users may experience the following error when running Podman or Docker:

Error: pasta failed with exit code 1:
Failed to open() /dev/net/tun: No such device
Failed to...
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2 weeks 4 days ago 5 days 2 hours ago
maya frame-renderer outage OnDemand, Software Resolved

The licenses hosted by OSU Arts and Sciences expired around September 16th. This resulted in frame renderer being unable to render frames at all, or without watermarks depending on the...

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2 weeks 4 days ago 1 day 22 hours ago
Client Portal Service Interruption Resolved

We are currently experiencing an outage affecting access to the myOSC client portal (my.osc.edu). Users attempting to access the site may encounter error messages. We apologize for the...

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2 weeks 6 days ago 2 weeks 6 days ago
Rolling reboots across all OSC clusters beginning 09/16/2026 Resolved
  • ​​​​​​Date: Wednesday, September 16, 2026

  • Affected Systems: All...

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3 weeks 5 days ago 1 week 6 days ago
Emergency Maintenance: Research Data Storage Scratch Purge filesystem Resolved
  • Status: Scheduled

  • ...
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1 month 2 weeks ago 1 month 1 week ago
NCCL 2.29 Performance Regression on Ascend and Pitzer Clusters Ascend, Pitzer, Software Resolved
(workaround)

We have identified a potential performance regression in point-to-point communication when using NCCL version 2.29 on the Ascend and Pitzer clusters, which results...

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2 months 1 week ago 2 months 1 week ago
Linaro MAP fails to launch in linaro-forge/23.0.4 Cardinal, Software Resolved
(workaround)

Linaro MAP can fail to work in linaro-forge/23.0.4

We recommend to use linaro-forge/25.1.3 instead

2 months 3 weeks ago 2 months 3 weeks ago
Rolling Reboot of all three HPC clusters beginning July 7 Resolved

A rolling reboot is scheduled to remediate a ptrace vulnerability and safely restore debugger functionality for all clusters, including Ascend, Cardinal, and Pitzer...

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3 months 1 week ago 2 months 2 weeks ago
Rolling Reboot for Security Fix Resolved

A rolling reboot is in progress to address CVE-2026-23111 (nf_tables logic bug) for all clusters, including Ascend, Cardinal, and Pitzer. Login nodes will be rebooted first and access...

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4 months 1 day ago 3 months 3 weeks ago

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