We are currently experiencing outages affecting multiple services, including OnDemand (ondemand.osc.edu) and login nodes of HPC systems.
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 |
|---|---|---|---|---|---|
| Using mpiexec/mpirun with Intel MPI on Slurm | Software |
Resolved (workaround) |
Intel MPI on Slurm batch system is configured to support PMI process manager. It is recommended to use |
1 month 11 hours ago | 1 month 11 hours ago |
| MPI-IO issues on home directories with Intel MPI 2019.3 | Pitzer, Software |
Resolved (workaround) |
Certain MPI-IO operations with |
1 month 11 hours ago | 1 month 11 hours ago |
| Singularity: failed to pull a large Docker image | Software |
Resolved (workaround) |
You might encounter an error while pulling a large Docker image: [pitzer-login01]$ apptainer pull docker://qimme2/core FATAL: Unable to pull docker://qiime2/core While running... Read more |
1 month 11 hours ago | 1 month 11 hours ago |
| Singularity: failed to run a container directly or pull an image from Singularity or Docker hub | Software |
Resolved (workaround) |
You might encounter an error while run a container directly from a hub: [pitzer-login01]$ apptainer run shub://vsoch/hello-world Progress |===================================| 100.0%... Read more |
1 month 11 hours ago | 1 month 11 hours ago |
| WARN SparkSession in Jupyter + Spark instance | Software |
Resolved (workaround) |
You may encounter the following warning message when running a Spark instance using the default PySpark kernel in a Jupyter + Spark application: WARN SparkSession: Using an... Read more |
1 month 7 hours ago | 4 weeks 9 hours 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 |
4 weeks 11 hours ago | 2 weeks 2 days ago |
| Instability on Clusters after May 13 Downtime |
Resolved |
We've been experiencing some instability on the clusters (particularly Cardinal and Ascend) following the recent May 13 downtime, especially with parallel job processing. If you notice any unusual... Read more |
4 weeks 11 hours ago | 1 week 2 days ago | |
| Python version mismatch in Jupyter + Spark instance | Software |
Resolved (workaround) |
You may encounter the following error message when running a Spark instance using a custom kernel in the Jupyter + Spark app: 25/04/25 10:49:01 WARN TaskSetManager: Lost task 0.0 in... Read more |
4 weeks 8 hours ago | 4 weeks 8 hours ago |
| NCCL hang on Ascend dual-GPU nodes | Ascend, GPU, Software |
Resolved (workaround) |
Users may encounter the following message and experience NCCL hangs if the first operation is a barrier when running multi-GPU training. We have identified... Read more |
2 weeks 2 days ago | 1 week 3 days ago |
| Resolved: Home directory space Issue with MATLAB 2024a | Software |
Resolved |
Users may experience their home directory running out of space after executing multiple MATLAB 2024a jobs. This issue is caused by the accumulation of multiple copies of the MathWorks Service... Read more |
1 week 2 days ago | 1 week 2 days ago |
