Date: Wednesday, September 16, 2026
Known issue with an Unresolved Resolution state is an active problem under investigation; a temporary workaround may be available.
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.
| Title | Category |
Resolution |
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...Read more |
1 year 11 months ago | 1 year 4 months ago |
| Stale File Handles on GPFS clients | filesystem |
Resolved |
OSC is experiencing some problems with the Project and Scratch filesystems that are resulting in some jobs seeing "stale file handles". We are investigating the problem and will provide updates as... Read more |
7 years 9 months ago | 7 years 8 months 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 "/...Read more |
7 years 6 months ago | 7 years 6 months ago |
| ondemand gpu request error Nov 2021 | Batch, OnDemand, Pitzer |
Resolved |
When requesting an interactive session in ondemand and requesting gpu resources, users may see an error similar similar to "sbatch: error: Invalid generic resource (gres) specification" ... Read more |
4 years 9 months ago | 4 years 9 months 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... Read more |
9 years 11 months ago | 8 years 3 months 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 -...Read more |
1 year 3 weeks ago | 11 months 2 weeks 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. |
12 years 10 months ago | 12 years 9 months 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 12 months ago | 2 years 12 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... Read more |
8 years 6 months ago | 4 years 9 months ago |
| MATLAB (legacy) r2024a fails to launch on OnDemand Desktop | Software |
Resolved (workaround) |
As of the downtime on 05/12/26 MATLAB (legacy) has stopped working when users try to open .m files in the GUI application for version r2024a. At the time we suggested to please use the... Read more |
4 months 4 days ago | 3 months 4 weeks ago |
