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 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 |
|---|---|---|---|---|---|
| Oakley login node problems |
Resolved |
One of the Oakley login nodes (oakley01) has experienced some hardware failures and is temporarily out of service while repairs are ongoing. Please limit your interactive use of the... Read more |
11 years 6 months ago | 11 years 5 months ago | |
| Cannot use mpiexec/mpirun from OpenMPI in an interactive session | Owens, Pitzer, Software |
Resolved (workaround) |
We found |
5 years 3 months ago | 12 months 10 hours ago |
| Pitzer Xfce Desktop through OnDemand is not working | OnDemand |
Resolved |
Pitzer Xfce Desktop through OnDemand is not working. Please choose 'Mate' desktop environment instead. We are working to fix this issue now and apologize for any inconvenience. Please contact ... Read more |
7 years 4 months ago | 7 years 4 months ago |
| MPI-IO issues on home directories with Intel MPI 2019.3 | Pitzer, Software |
Resolved (workaround) |
Certain MPI-IO operations with |
1 year 1 month ago | 1 year 1 month ago |
| Critical change about using $PFSDIR directory at OSC | Batch |
Resolved |
Starting from Thursday, Feb 2nd, the |
9 years 4 months ago | 9 years 4 months ago |
| MPI_THREAD_MULTIPLE is not supported with OpenMPI-HPCX 4.x | Owens, Software |
Resolved |
A threading code with MPI where MPI_Init_thread uses MPI_THREAD_MULTIPLE will fail because UCX from HPCX package is built without enabling multi-threading. UCX is the... Read more |
3 years 3 months ago | 1 year 1 month ago |
| OnDemand with Safari | Web Services |
Resolved |
Currently, if you have popups blocked in Safari, some services in OSC OnDemand (most notably the HPC terminal) will silently fail to work. We are working on a solution, as well as a workaround for... Read more |
12 years 1 month ago | 10 years 7 months ago |
| Maintenance outage on the cluster export services | Maintenance, OnDemand, Ruby |
Resolved |
Update on 14 April 2020, 0903: Work is completed. Original message: There will be maintenance on cluster export services on Tuesday, April... Read more |
6 years 2 months ago | 6 years 2 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 weeks 1 day ago | 3 weeks 3 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 |
7 years 10 months ago | 7 years 10 months ago |
