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
CP2K 6.1 would fail on Pitzer Cascade Lakes (48-core) node: Pitzer Resolved
(workaround)

CP2K 6.1 would fail with the following error when running on Pitzer Cascade Lakes (48-core) node:

Program received signal SIGFPE: Floating-point exception - erroneous arithmetic...
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4 years 11 months ago 1 year 1 month ago
Correction on OSC project restriction email Account Management Resolved

Updated:

OSC has resolved this morning's issue and reverted impacted projects back to an ACTIVE status. Queued jobs under those projects will be able to start once today's...

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4 years 11 months ago 4 years 11 months ago
PI can't submit FY22 budget on 6/30/2021 Resolved

Due to an error in the OSC Client Portal (my.osc.edu), PIs will not be able to submit an FY22 budget on June 30, 2021. Please create a new current budget on or after July 1st, 2021 to reactivate...

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4 years 11 months ago 4 years 11 months ago
OSC is experiencing a very high support load Operations Resolved

OSC is currently experiencing a very high customer ticket load. Please allow extra time for analysts to get to your issue. We apologize for any inconvenience. Thank you for your continued support...

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4 years 11 months ago 4 years 11 months ago
myosc outage - may 17, 2021 client portal Resolved

Resolution: Access to myosc was restored.

myosc is currently unavailable.

... Read more
5 years 3 weeks ago 5 years 3 weeks ago
Intermittent home directory performance issues filesystem Resolved

Users may experience performance issues in home directory. It is recommended to use temporary directory ($TMPDIR, or scratch) or project storage to minimize the impact on...

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5 years 2 months ago 5 years 2 months ago
Cannot use mpiexec/mpirun from OpenMPI in an interactive session Owens, Pitzer, Software Resolved
(workaround)

We found mpiexec/mpirun from OpenMPI can not be used in an interactive session (launched by sinteractive) after upgrading Pitzer and...

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5 years 3 months ago 12 months 9 hours ago
MVAPICH2 build of CP2K 6.1 Pitzer Resolved

We have found some types of CP2K jobs would fail or have poor performance using cp2k.popt and cp2k.psmp from MVAPICH2 build (gnu/4.8.5 mvapich2/2.3). This version will be removed on December 15th...

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5 years 6 months ago 5 years 3 months ago
GPFS errors on compute nodes filesystem Resolved

We've seen an increase in transient problems that result in compute nodes losing access to the GPFS file systems for ~5 minutes.

Any jobs running on these nodes accessing files on GPFS may...

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5 years 6 months ago 4 years 6 months ago
Ondemand error when terminating interactive app OnDemand Resolved
(workaround)

When trying to delete an interactive session through OnDemand, you may receive an error page about 'No such file'. This can be disregarded. Simply navigate back to the interactive sessions page...

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5 years 6 months ago 4 years 1 month ago

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