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          

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          

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          

Certain MPI-IO operations with intelmpi/2019.3 may crash, fail or proceed with errors on the home directory. We do not expect the same issue on our GPFS file system, such as the... Read more

Intel MPI on Slurm batch system is configured to support PMI process manager. It is recommended to use srun as MPI program launcher. If you prefer using mpiexec/... Read more

GNU compiler versions 10+ may have C compiler errors like

/.libs/libmca_mtl_psm.a(mtl_psm_component.o): multiple definition of `mca_mtl_psm_component'

This is a ... Read more

GNU compiler versions 10+ may have Fortran compiler errors like

Error: Type mismatch between actual argument at (1) and actual argument at (2) (REAL(4)/REAL(8))

... Read more

OSC will remove the default MATLAB Jupyter Kernel on Tuesday, May 20th, 2025. To create your own Jupyter MATLAB Kernel please follow the documentation on the MATLAB Page... Read more

The default CPU binding for ORCA jobs can fail sporadically.  The failure is almost immediate and produces a cryptic error message, e.g.

$ORCA/orca h2o.in... Read more          

Your job utilizing openmpi/4.1.x-hpcx (or 4.1.x on Ascend) might hang while writing files on a shared file system. This issue is caused by a ... Read more