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 |
|---|---|---|---|---|---|
| OpenMPI job stopped at 'There are not enough slots available in the system to satisfy the slots' | Owens, Pitzer, Software |
Resolved |
Users would encounter a MPI job failed with |
6 years 1 month ago | 6 years 2 weeks ago |
| Scheduling suspended | Batch |
Resolved |
We have temporarily suspended scheduling due to some problems with the parallel scratch file system. |
11 years 11 months ago | 11 years 11 months ago |
| Ansys OMP: System error #22: Invalid argument | Cardinal |
Resolved (workaround) |
You may encounter the following error while running Ansys on Cardinal: OMP: Error #100: Fatal system error detected. OMP: System error #22: Invalid argument forrtl: error (76): Abort...Read more |
1 year 8 months ago | 1 year 4 months ago |
| NFS outage on Thursday Jan 17 from 7am to 8am | filesystem |
Resolved |
Update: This work has been canceled and will be done during downtime on Feb. 5. Original Post: On Thursday, January 17th from 7 am to 8 am OSC will have a GPFS... Read more |
7 years 8 months ago | 7 years 8 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 |
| June 7th downtime to finish at 6:30PM | Connectivity, filesystem, Infrastructure, login, Login Problems, Maintenance, Operations, Outage |
Resolved |
Update: Downtime completed at 6:30PM, June 7th.
The June 7th downtime is now slated to be completed at 6:30PM. Previous estimate was 5PM. All systems and services will... Read more |
10 years 3 months ago | 10 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 2 weeks ago | 11 months 1 week ago |
| Balance could be non-existent | client portal |
Resolved |
Balances may be none existent in my.osc.edu and OSCusage command. Balances are being properly accounted for in the background. The bug has been identified and a patch will be released ASAP... |
6 years 9 months ago | 6 years 8 months ago |
| February 11 2014 Scheduled Downtime | Outage |
Resolved |
HPC systems are offline today for scheduled quarterly maintenance activity. For details, please visit osc.edu/n |
12 years 7 months ago | 12 years 7 months ago |
| OnDemand Shell App Not Working in Firefox 148 | OnDemand |
Resolved |
Updates on March 12, 2026: This is fixed with OnDemand 4.1.4. Original post: We are aware of an... Read more |
6 months 2 weeks ago | 6 months 3 days ago |
