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 descending Description Posted Updated
HWloc warning: Failed with: intersection without inclusion Ascend, Cardinal Resolved
(workaround)

When running MPI+OpenMP hybrid code with the Intel Classic Compiler and MVAPICH 3.0, you may encounter the following warning message from hwloc:

... Read more
4 months 3 weeks ago 4 months 3 weeks ago
Sign Up reCAPTCHA Error Resolved

If you fail to hit the reCAPTCHA and try to submit the form, you will receive an error regarding the reCAPTCHA.

If you hit the reCAPTCHA and re-submit, the error will remain.

... Read more

5 years 7 months ago 5 years 4 months ago
8AM 9/11/13 - Brief network disruption to reboot a switch Network Resolved

At 8AM on September 11, 2013, we will be rebooting a network switch to replace a failed card in the switch. Network will be disrupted for 10 to 15 minutes while the work is done. Filesystem mounts... Read more

11 years 6 months ago 11 years 5 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

3 years 1 month ago 3 years 1 month 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

7 years 3 months ago 7 years 3 months ago
Rolling reboot of Owens starting from Oct 10, 2019 login, Owens Resolved

Updated on 1 PM Oct 17, 2019:

The rolling reboot of Owens has been completed. 

Original Post:

We are having rolling reboots of Owens... Read more

5 years 5 months ago 5 years 5 months 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

10 years 4 months ago 10 years 2 months ago
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

1 year 2 months ago 10 months 4 days 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

6 years 1 month ago 6 years 1 month 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          
4 years 4 months ago 2 years 11 months ago

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