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 |
|---|---|---|---|---|---|
| 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 1 month ago | 12 months 4 days ago |
| Poor network performance on some filesystems | filesystem |
Resolved |
We are experiencing some network performance issues on a cluster of servers involved with providing GPFS and some project filesystems. GPFS appears to be functioning acceptably, but proj01, proj02... Read more |
13 years 2 months ago | 13 years 2 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. |
3 years 2 weeks ago | 3 years 2 weeks ago |
| Rolling reboot of Owens cluster, starting from 8:30AM Oct 30, 2017 | Batch, Owens |
Resolved |
Updated on Nov 21, 2017 at 3:33PM: It has been completed. Updated on October 20, 2017 at 4:19PM: We will have a rolling reboot of Owens... Read more |
8 years 11 months ago | 8 years 10 months ago |
| 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 2 months ago | 6 years 1 month ago |
| Scheduling suspended | Batch |
Resolved |
We have temporarily suspended scheduling due to some problems with the parallel scratch file system. |
12 years 2 weeks ago | 12 years 2 weeks ago |
| Code Server ondemand.osc.edu cannot open this folder because it contains system files | OnDemand, Software |
Resolved |
Trying to download a directory through code server results in the error "ondemand.osc.edu cannot open this folder because it contains system files" |
11 months 2 weeks ago | 11 months 2 weeks 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 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 |
7 months 1 week ago | 6 months 3 weeks ago |
