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 Resolutionsort ascending Description Posted Updated
MyOSC Email Delivery Problems client portal Resolved

The Ohio Supercomputer Center (OSC) is experiencing an email delivery problem with several types of messages from MyOSC, impacting user signup, password changes, and possibly others such as budget... Read more

2 years 3 months ago 1 year 11 months ago
Owens batch is down Owens Resolved

Updated at 9:07PM on Dec 20, 2017 :

Owens batch was restored by updating Torque resource manager at 6:37pm Dec 19, 2017. 

Original Post at 4:45PM on Dec 19... Read more

8 years 4 months ago 8 years 4 months ago
A partial-node MPI job failed to start using Intel MPI mpiexec Owens, Pitzer, Software Resolved
(workaround)

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          
5 years 5 months ago 11 months 1 week ago
Can not change GPU compute mode on Oakley GPU Resolved

Update: The driver version has been updated and the issue has been fixed.

 

In updating the driver version for Oakley's NVIDIA GPUs the NVML libraries that are used in conjunction... Read more

11 years 5 months ago 11 years 3 months ago
Matlab parallel pool cannot connect Matlab, Pitzer Resolved

In some cases, matlab would hang with connecting to parallel pool on Pitzer. This was discovered in the 2026 January downtime. In order to mitigate this we have introduced the "current"... Read more

3 months 2 weeks ago 5 days 12 hours ago
OpenMPI 4 and NVHPC MPI Compatibility Issues with SLURM HWLOC Ascend, Cardinal, Software Resolved
(workaround)

A pure MPI application using mpirun or mpiexec with more ranks than the number of NUMA nodes may encounter an error similar to the following:... Read more

1 year 1 month ago 10 months 1 week ago
Scratch filesystem is down filesystem, OnDemand Resolved

Updated on 2:30pm Feb 1st:

Scratch filesystem is back. OnDemand is also available now. 

Original Post:

Scratch filesystem is down now.... Read more

7 years 2 months ago 7 years 2 months ago
Emergency maintenance in OSC’s data center Feb 10 2022 Outage, Owens, Pitzer Resolved

OSC will shut down significant portions of the Owens and Pitzer clusters for several hours this afternoon (Thursday, Feb.... Read more

4 years 2 months ago 4 years 2 months ago
GPFS hang Issue on 09/08/2016 filesystem Resolved

On Thursday, Sept 8 starting at 19:37, we had some bad interaction that appears to have been caused by the backup client, and the GPFS servers. This resulted in a GPFS hang that propagated I/O... Read more

9 years 7 months ago 9 years 7 months ago
Possible performance degradation after August 9th's downtime filesystem Resolved

Updates on May 20 2023:

verbsRDMA is enabled on Pitzer. 

Updates on Dec 14 2022:

verbsRDMA is enabled on Owens during December 13 downtime... Read more

3 years 8 months ago 2 years 11 months ago

Pages