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
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 8 months ago 2 years 3 months ago
Gaussian g16b01 G4 problem Owens, Pitzer, Software Resolved
(workaround)

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 6 months ago 2 years 3 months ago
Backup Issues Backups Resolved

Updates on 04/17:

OSC has conducted thorough validations to ensure the integrity of our backup data for user home directories and the /fs/ess filesystem. 

... Read more

3 months 3 weeks ago 3 months 1 week ago
All HPC systems are available Login Problems, Operations, Outage Resolved

8/24/16 3:57PM: All HPC systems are availalbe including:

  • Oakley cluster for general access
  • Ruby cluster for restricted access
  • Owens cluster for... Read more
7 years 11 months ago 7 years 11 months ago
Rolling reboot of Pitzer cluster, starting from Feb 03, 2021 Batch, login, Pitzer Resolved

Updates at 10AM Feb 11, 2021:

The rolling reboot is completed. 

Original Post:

We will have rolling reboots of Pitzer cluster including... Read more

3 years 5 months ago 3 years 5 months ago
Oakley login node down login Resolved

One of the Oakley login nodes is down. We are currently working on bringing it back online. SSH connections to oakley.osc.edu may time out. A workaround is to connect directly to oakley01.osc.edu... Read more

10 years 4 months ago 10 years 4 months ago
Intermittent issue with connecting to batch server Batch, Owens Resolved

Updated on June 18, 2018, at 3:15 PM:

This issue has been fixed. 

Posted on June 18, 2018, at 12:30 PM:

We've been having intermittent... Read more

6 years 1 month ago 6 years 1 month ago
openmpi/4.1.1 is deprecated Resolved

openmpi/4.1.1-hpcx will be removed on November 29th, 2022 due to InfiniBand drivers (MOFED) update. Please use compatible and bug-fixed version 'openmpi/4.1.2-hpcx' to run ORCA or your MPI... Read more

1 year 8 months ago 1 year 8 months ago
Armstrong inaccessible Resolved

Update: 2PM March 12th: Armstrong is back up and running.  Please notify oschelp@osc.edu of any lingering issues.


As of 10AM Thursday March 12th... Read more

9 years 4 months ago 9 years 4 months ago
OSC OnDemand is not responsive OnDemand Resolved

OSC OnDemand is not responsive now. We are investigating the problem now. Please use other ways like ssh to connect to OSC HPC systems. 

We apologize for any inconvenience this may cause... Read more

4 years 4 months ago 4 years 4 months ago

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