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 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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1 year 10 months ago 1 year 10 months ago
System reboot due to security vulnerability Resolved

2015/02/17 UPDATE - Security Patch Succesfully Implimented

All systems have been updated with the secuirty patch.  


Starting Thursday, 4:00PM we will begin taking systems...

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11 years 4 months ago 11 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 3 weeks ago 5 years 1 week ago
Extra messages during job startup and ending on Owens and Pitzer Batch, Owens, Pitzer Resolved

All jobs on Owens and Pitzer that started or ended after 13:14 Monday, March 11 would see the following extra messages at the beginning and end of the job:

pmlogger: cannot open log "/...
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7 years 3 months ago 7 years 3 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 1 month ago 1 year 1 month 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 8 months ago 8 years 2 weeks ago
issues accessing /fs/ess/ locations filesystem, Operations, Outage Resolved

15 Aug 2022 resolved

...

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3 years 10 months ago 3 years 10 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 7 months ago 12 years 6 months ago
my.osc.edu outbound email outage Account Management, client portal, login, Login Problems Resolved

There is an issue with my.osc.edu sending outbound emails, including the 'Forgot Password' emails.

There is ongoing work to resolve this issue as soon as possible. 

Contact OSC...

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6 years 4 months ago 6 years 4 months ago
Unable to unload Intel software stack Pitzer, Ruby, Software Resolved

Users may experience unable to unload Intel software stack via module rm intel after switching between intel and ohter compilers. This is a known issue with current versions of Lmod on Pitzer and...

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6 years 1 month ago 6 years 4 weeks ago

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