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

 OSC is preparing to update Slurm on its production systems to version 23.11.4 on March, 27. 

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

Titlesort ascending Category Resolution Description Posted Updated
libibumad.so.2 missing on Oakley Software Resolved

Update:  We think this is fixed.  Please submit a ticket if you encounter further problems.

 

As a result of updates made during yesterday's downtime, software built with mvapich2/... Read more

7 years 5 months ago 7 years 5 months ago
Large MPI job startup hang with mvapich2/2.3 and mvapich2/2.3.1 Owens, Pitzer, Software Resolved
(workaround)

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 4 months ago 1 year 11 months ago
LAMMPS ppn=40 GPU problem on Pitzer Pitzer, Software Resolved

On Pitzer both LAMMPS 22Aug18 and 5Jun19 gpu jobs with ppn=40 hang immediately after lammps begins execution.  A workaround is to use ppn=39.

5 years 5 months ago 4 years 2 months ago
LAMMPS 14May16 velocity command problem on Owens Software Resolved
(workaround)

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 3 months ago 1 year 11 months ago
Jupyter security issue Aug. 13, 2021 Maintenance, OnDemand, Software Resolved

Please do not run any Jupyter applications at OSC until further notice due to a security vulnerability.

OSC will update JupyterLab and Jupyter Notebook applications to rectify this as soon... Read more

2 years 7 months ago 2 years 7 months ago
June 7th downtime to finish at 6:30PM Connectivity, filesystem, Infrastructure, login, Login Problems, Maintenance, Operations, Outage Resolved

Update: Downtime completed at 6:30PM, June 7th.

 

The June 7th downtime is now slated to be completed at 6:30PM.  Previous estimate was 5PM.

All systems and services will... Read more

7 years 9 months ago 7 years 9 months ago
Jobs reports 'excessive memory usage' message Owens, Pitzer Resolved

... Read more

4 years 2 weeks ago 1 year 11 months ago
Job failures on some rolling-rebooted nodes on Owens since April 16, 2018 Owens Resolved

3:35 PM 4/30/2018 Update:

The cause is that NFSv4.1 is not configured correctly after OS on Owens was updated from RHEL 7.3 to 7.4. We re-rebooted the Owens compute nodes... Read more

5 years 11 months ago 5 years 11 months ago
Issues with VDI through OnDemand Batch Resolved

Update: Jan 23, 2017 3PM: this issue has been fixed. 

There is an issue with OSC OnDemand -> Desktops -> Virtual Desktop Interface (VDI) such that you get "qsub: submit error ..."... Read more

7 years 2 months ago 7 years 2 months ago
Issues with GPFS filesystem since Saturday May 18 filesystem Resolved

Update Posted on 20 May 2019 13:24

We fixed the problem with both project and scratch filesystem. Please contact oschelp@osc.edu if... Read more

4 years 10 months ago 4 years 10 months ago

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