The Ohio Supercomputer Center (OSC) is experiencing an email delivery problem with several types of messages from MyOSC. 

Known issues

Unresolved known issues

Known issue with an Unresolved Resolution state is an active problem under investigation; a temporary workaround may be available.

Resolved known issues

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.

Known Issues

Title Category Resolution Description Posted Updatedsort descending
cuda-gdb segmentation fault on startup Owens, Pitzer, Software Resolved

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          
3 years 10 months ago 1 year 10 months ago
Gaussian g16b01 G4 problem Owens, Pitzer, Software Resolved

Gaussian-4 (G4) theory calculations in Gaussian 16 Rev. B.01 can produce erratic results.  A workaround is to use Gaussian 16 Rev. A.03 or Rev. C.01, e.g.: 

module load gaussian/... Read more          
5 years 3 weeks ago 1 year 10 months ago
Error ' undefined reference to uuid@' with MVAPICH2 in Conda environment Owens, Pitzer, Software Resolved

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

3 years 11 months ago 1 year 10 months ago
Incorrect MPI launcher and compiler wrappers with Conda environments python/2.7-conda5.2 and python/3.6-conda5.2 Owens, Pitzer, Ruby, Software Resolved

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

3 years 11 months ago 1 year 10 months ago
Ansys DesignModeler with hardware acceleration Software Resolved

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

4 years 2 months ago 1 year 10 months ago
Large MPI job startup hang with mvapich2/2.3 and mvapich2/2.3.1 Owens, Pitzer, Software Resolved

We have found that large MPI jobs may hang at startup with mvapich2/2.3 and mvapich/2.3.1 (on any compiler dependency) due to a known bug that has been fixed in release 2... Read more

4 years 3 months ago 1 year 10 months ago
Ondemand error when terminating interactive app OnDemand Resolved

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

3 years 2 months ago 1 year 10 months ago
LAMMPS 14May16 velocity command problem on Owens Software Resolved

LAMMPS 14May16 on Owens can hang when using the velocity command.  Inputs that hang on Owens work on Oakley and Ruby.  LAMMPS 31Mar17 on Owens also works.  Here is an example failing input snippet... Read more

7 years 2 months ago 1 year 10 months ago
Jobs reports 'excessive memory usage' message Owens, Pitzer Resolved

... Read more

3 years 11 months ago 1 year 10 months ago
Error when downloading SRA data on computing nodes Owens, Pitzer, Software Resolved

NCBI blocks any connection from computing nodes because they are behind firewalls. Thus OSC users cannot use SRA tools to download data "on-the-fly" at runtime on computing nodes, e.g. 'fastq-dump... Read more

4 years 7 months ago 1 year 10 months ago