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
Partial Unavailability of Owens Nodes: 07/29 - 08/06 Outage Resolved

Partial Owens nodes will be unavailable from July 29, 2024, to August 6, 2024, due to power changes in preparation for the Cardinal installation. This outage won't affect any running batch jobs,...

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2 years 2 months ago 2 years 2 months 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
Nvidia drivers on Oakley GPU Resolved

We upgraded the drivers for the Nvidia GPUs on all of our clusters during the downtime this week. Unfortunately, we are noticing some subtle problems with the GPUs on Oakley. We will be rolling...

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9 years 12 months ago 8 years 4 months ago
XDMOD outage: 9AM-4PM June 2 2021 Outage Resolved

There is a scheduled outage for XDMOD tool (xdmod.osc.edu) between 9AM-4PM June 2 2021 for upgrading to 9.5.0. During the outage XDMOD will be in maintain mode and not accessible by OSC users. ...

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5 years 4 months ago 5 years 4 months ago
Brief disruption to external network, 2013/11/27 Connectivity Resolved

This maintenence was cancelled, to be rescheduled at some undetermined point in the future.

Between 12:01AM and 2:00AM Eastern on Wednesday, November 27th 2013, OARnet will be...

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12 years 11 months ago 12 years 10 months ago
WARN SparkSession in Jupyter + Spark instance Software Resolved
(workaround)

You may encounter the following warning message when running a Spark instance using the default PySpark kernel in a Jupyter + Spark application:

WARN SparkSession: Using an...
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1 year 5 months ago 1 year 4 months ago
Occasional failures in file permissions filesystem Resolved

Users may experience occasional failures in file permissions with our filesystem. We've opened a case with the vendor for further investigations. If you get 'permission denied' message when you...

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8 years 6 months ago 4 years 10 months ago
issues accessing /fs/ess/ locations filesystem, Operations, Outage Resolved

15 Aug 2022 resolved

...

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4 years 2 months ago 4 years 1 month ago
ORCA Bind to CORE Failure 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.:

...
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3 years 5 months ago 1 year 5 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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9 months 4 weeks ago 7 months 2 weeks ago

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