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 |
|---|---|---|---|---|---|
| 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 8 months ago | 7 years 8 months ago |
| Jobs reports 'excessive memory usage' message | Owens, Pitzer |
Resolved |
... Read more |
6 years 6 months ago | 4 years 4 months ago |
| Problems with MVAPICH2 | Owens, Ruby, Software |
Resolved |
Some MVAPICH2 MPI installations on Oakley, Ruby, and Owens, such as the default module mvapich2/2.2 as well as mvapich2/2.1, appear to have a bug that is triggered by certain programs. The... Read more |
10 years 7 months ago | 4 years 4 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... Read more |
3 months 2 days ago | 2 months 3 weeks 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 |
| 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 |
| 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 |
| 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 |
| 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 5 months ago | 4 years 9 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 |
