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 Updated
Multi-node job hang with ORCA 5 Owens, Pitzer, Software Resolved
(workaround)

You may experience a multi-node job hang if the job runs into a module that requires heavy I/O, e.g., MP2 or CCSD. Additionally, it potentially leads to our GPFS performance issue. We have... Read more

7 months 3 weeks ago 7 months 3 weeks ago
Slurm to be Upgraded to Version 23.11.4 Owens, Pitzer Resolved

Updates on 04/08/2024:

The rolling reboots are completed. 

Updates:

We will perform rolling reboots on this... Read more

9 months 1 week ago 7 months 4 weeks ago
Slurm on Pitzer is offline Resolved

The Slurm scheduler for Pitzer is currently offline. We are working with the vendor for the fix. Sorry for the inconvenience.

9 months 1 week ago 9 months 1 week ago
Slurm database repair on 01/25/2024 Outage Resolved

We have scheduled a Slurm database repair, which is planned to start at 8:30 am US/Eastern on Thursday, January 25, 2024. During the repair, Slurm database will be offline; running jobs and... Read more

10 months 2 weeks ago 10 months 1 week ago
PyTorch jobs timeout and hanging GPU Resolved

We have observed that many PyTorch users frequently encounter random timeouts, which result in the termination of their jobs but leave the process running on the node.... Read more

1 year 4 months ago 11 months 1 day ago
Rolling reboot of Ascend, Owens and Pitzer starting from Oct 25 2023 Owens, Pitzer Resolved

Update on Nov 8 2023:

Rolling reboots of all clusters are completed. 

Update on Nov 3 2023:

Rolling reboots of Ascend and Pitzer clusters... Read more

1 year 1 month ago 1 year 3 weeks ago
Running jobs requeued on all clusters Owens, Pitzer Resolved

The Slurm upgrades during rolling reboots of Ascend, Owens and Pitzer we performed today (Oct 25 2023) cause all running jobs on the systems requeued around 8:45am. You will not be billed for the... Read more

1 year 1 month ago 1 year 1 month ago
Emergency UPS Maintenance Maintenance Resolved

A UPS in the data center requires some emergency maintenance to be undertaken at 2PM on Oct 11 2023. There is a very small chance that parts of Owens and of the C18 Pitzer nodes may lose power as... Read more

1 year 1 month ago 1 year 1 month ago
MOE license server down Licensing Resolved

The MOE license server is experiencing an unknown issue and potentially down.  We are working to resolve the issue.

1 year 2 months ago 1 year 2 months ago
Outbound Emails from MyOSC are Blocked at MS 365 Servers Account Management, client portal Resolved

Outbound emails, including account verification emails, from MyOSC to institutional email addresses utilizing MS 365 are being blocked as phishing attempts at the institution's server.

... Read more

1 year 3 months ago 1 year 2 months ago

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