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
HCOLL-related failures in OpenMPI applications Cardinal, Software Resolved
(workaround)

Several applications using OpenMPI, including HDF5, Boost, Rmpi, ORCA, and CP2K, may fail with errors such as

mca_coll_hcoll_module_enable() coll_hcol: mca_coll_hcoll_save_coll_handlers...
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1 year 10 months ago 1 year 4 months ago
Problems with LAMMPS 14May16 Software Resolved

LAMMPS 14May16 was built with the USER-OMP package on Oakley, Ruby, and Owens. Its default behavior is to spawn too many OpenMP threads. lammps/14May16 batch scripts that do not use the USER-OMP...

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9 years 11 months ago 9 years 9 months 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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5 years 2 months ago 5 years 2 months ago
Ruby is offline Operations Resolved

The Ruby Transitional Cluster (only open to select research groups) is currently offline due to network problems. We expect it will return to service some time after the downtime.

12 years 11 months ago 12 years 6 months ago
Resolved: Home directory space Issue with MATLAB 2024a Software Resolved

Users may experience their home directory running out of space after executing multiple MATLAB 2024a jobs. This issue is caused by the accumulation of multiple copies of the MathWorks Service...

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1 year 3 months ago 1 year 3 months ago
Oakley and Owens queue issue Batch Resolved

We are experiencing a problem with the queuing system on oakley and owens that is delaying or preventing new jobs from running. Our systems staff is investigating.

 

8 years 8 months ago 8 years 8 months 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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2 months 3 weeks ago 2 months 2 weeks ago
MPI fails with UCX 1.18 Software Resolved
(workaround)

After the downtime on August 19, 2025, users may encounter UCX errors such as:

UCX ERROR no active messages transport to <no debug data>: self/memory -...
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1 year 2 weeks ago 11 months 4 days ago
ACEs of a file in user's home directory will be lost using vim or cp filesystem Resolved

Access Control Entries (ACEs) of a file in the user's home directory will be lost if the file is modified using vim.  In addition, the newly created file using the cp...

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8 years 1 month ago 8 years 1 month ago
MOE license server down Licensing Resolved

The MOE license server is experiencing an unknown issue and potentially down.  We are working to resolve the issue.

2 years 11 months ago 2 years 11 months ago

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