We are currently experiencing temporary instability on the Ascend login nodes.

A rolling reboot is in progress to address CVE-2026-23111 for all clusters, including Ascend, Cardinal, and Pitzer.

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
ArcGIS License problems Software Resolved

We are experiencing problems with the ArcGIS license server. We will resume working on restoring access to this software on October 24th, 2018.

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It is fixed and running...

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7 years 7 months ago 7 years 7 months ago
Client Portal inaccessible client portal Resolved

All users are currently unable to login to OSC client portal.

When attempting to login to OSC...

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5 years 5 months ago 5 years 5 months ago
Intermittent failure of default CPU binding Software Resolved
(workaround)

The default CPU binding for ORCA jobs can fail sporadically.  The failure is almost immediate and produces a cryptic error message, e.g.

$ORCA/orca h2o.in...
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1 year 1 month ago 1 year 1 month ago
pdsh -j broken on Oakley Batch, system software Resolved

pdsh -j is broken on Oakley.  It was broken by updates during the September downtime.  We are currently working on resolving the issue.

Users who require...

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10 years 6 months ago 8 years 1 week ago
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 1 month ago 6 months 1 week ago
All HPC systems are available Login Problems, Operations, Outage Resolved

8/24/16 3:57PM: All HPC systems are availalbe including:

  • Oakley cluster for general access
  • Ruby cluster for restricted access
  • Owens cluster for...
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9 years 10 months ago 9 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 8 months ago 3 years 8 months ago
Brief disruption of GPFS on 8/28/2013 filesystem Resolved

On the morning August 28th, 2013 we will briefly disrupt the GPFS filesystem to reboot servers. This is necessary to upgrade the GPFS system. The in-place upgrade should only briefly interrupt...

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12 years 9 months ago 12 years 9 months ago
Schrodinger 2023.2 does not launch Software Resolved
(workaround)

Schrodinger 2023.2 does not launch through OnDemand or OnDemand desktop, failing with "fatal error"

If you do not need 2023.2 specifically, or you are able to transition to...

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6 months 5 hours ago 3 months 2 weeks ago
Rolling reboot of login nodes of clusters at 7:00AM Dec 19, 2017 login Resolved

We will have rolling reboot of login nodes of clusters at 7:00AM Dec 19, 2017 for GPFS version upgrade. It is supposed to be completed in a short period of time. f you encounter any login issues,...

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8 years 6 months ago 8 years 5 months ago

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