Known issues

When trying to delete an interactive session through OnDemand, you may receive an error page about 'No such file'. This can be disregarded. Simply navigate back to the interactive sessions page... Read more

We have found some types of CP2K jobs would fail or have poor performance using cp2k.popt and cp2k.psmp from MVAPICH2 build (gnu/4.8.5 mvapich2/2.3). This version will be removed on December 15th... Read more

We've seen an increase in transient problems that result in compute nodes losing access to the GPFS file systems for ~5 minutes.

Any jobs running on these nodes accessing files on GPFS may... Read more

A partial-node MPI job may fail to start using mpiexec from intelmpi/2019.3 and intelmpi/2019.7 with error messages like

[mpiexec@o0439.ten.osc.... Read more          

The CUDA debugger, cuda-gdb, can raise a segmentation fault immediately upon execution.  A workaround before executing cuda-gdb is to unload the xalt module, e.g.: 

module unload... Read more          

... Read more

Users may encoutner an error like 'libim_client.so: undefined reference to `uuid_unparse@UUID_1.0' while compiling MPI applications with mvapich2 in some Conda enivronments. We found pre-installed... Read more

Users may encounter under-performing MPI jobs or failures of compiling MPI applications if you are using Conda from system. We found pre-installed mpich2 package in some Conda environments ... Read more

OSCusage is not working on Ruby. Please use Owens or Pitzer. See https://www.osc.edu/resources/getting_started/... Read more

Ansys DesignModeler with hardware acceleration is not working.

With Ansys version greater than 19.1, DesignModeler is working with software rendering mode, but it is very slow.

 ... Read more