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 |
|---|---|---|---|---|---|
| Spurious warnings about balance being exhausted | client portal |
Resolved |
Due to the price changes and some specifics about MyOSC, you may get warnings... Read more |
5 years 11 months ago | 5 years 10 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 5 months ago | 7 years 5 months ago |
| STAR error bgzf_open: Assertion failed | Cardinal, Software |
Resolved (workaround) |
You may encounter errors that look similar to these when running STAR 2.7.10b: STAR: bgzf.c:158: bgzf_open: Assertion `compressBound(0xff00) < 0x10000' failed. Cause...Read more |
1 year 1 month ago | 1 year 2 weeks ago |
| STAR-CCM+ MPI job failure | Cardinal, Software |
Resolved (workaround) |
STAR-CCM+ encounters errors when running MPI jobs with Intel MPI or OpenMPI, displaying the following message: ib_iface.c:1139 UCX ERROR Invalid active_speed on mlx5_0...Read more |
1 year 8 months ago | 15 hours 27 min ago |
| STAR-CCM+ OpenMPI Job Failed due to Out-of-Memory | Cardinal, Software |
Unresolved (workaround) |
After the scheduled downtime on May 12, 2026, STAR-CCM+ encounters out-of-memory errors when running OpenMPI jobs. A message... Read more |
2 weeks 5 days ago | 2 weeks 5 days ago |
| starccm does not use vis node GPU | GPU, Software |
Resolved (workaround) |
Issue:When trying to run starccm on a vis node in order to use GPU for visualization (not for GPU calculation), the typical way to do this would be to load the... Read more |
3 months 3 weeks ago | 3 months 3 weeks ago |
| Starccm license unavailable Feb 21, 2021 | Licensing |
Resolved |
Updated on Feb 25: StarCCM license outage is restored. Original post: The Starccm software license at OSC will be terminated on Sunday Feb... Read more |
5 years 3 months ago | 5 years 3 months ago |
| starccm outage Feb 21, 2021 | Licensing, Outage, Owens, Software |
Resolved |
Updated on Feb 25: StarCCM license outage is restored. Original post: OSC's starccm software license will expire at 12 a.m., Sunday, Feb... Read more |
5 years 3 months ago | 5 years 3 months ago |
| starccm/15.02.007 with intelmpi after Mar 22, 2022 |
Resolved (workaround) |
STAR-CCM+ 15.02.007 and 15.02.007-mixed with intelMPI would fail on multiple node jobs after the downtime on Mar 22, 2022. Please use openmpi instead. You can find more... Read more |
4 years 2 months ago | 1 year 1 month ago | |
| Statewide Intel compiler license checkout failures | Licensing |
Resolved |
This morning (9/10/14) we updated our Intel compiler licenses. We are seeing some unexpected license checkout failures in the logs (please click through to see details): 10:44:...Read more |
11 years 9 months ago | 11 years 8 months ago |
