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
Core label on OnDemand app is incorrect OnDemand Resolved

The core label on the OnDemand app incorrectly displays as '1', regardless of the requested number of cores for a job. While this label is incorrect, the job is still allocated the correct number...

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1 year 8 months ago 1 year 7 months ago
performance issue on intelmpi/2019.3 Ruby Resolved

A new installation of intelmpi with 2019.3 version has a performance issue on Ruby. We are actively investigating this issue. If you have any questions, please contact...

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7 years 5 months ago 4 years 9 months ago
OSC will remove Jupyter MATLAB Kernel Cardinal, OnDemand Resolved

OSC will remove the default MATLAB Jupyter Kernel on Tuesday, May 20th, 2025. To create your own Jupyter MATLAB Kernel please follow the documentation on the MATLAB Page...

1 year 4 months ago 1 year 4 months ago
Oakley login nodes and ruby02 will not be accessible between 9:00-9:30am on 10/18/2016 login Resolved

We upgraded to RHEL 6.8 for both Oakley and Ruby clusters during the October 12th's downtime. Unfortunately, we are noticing some NFS problem that has been causing rsh, or ssh sessions to hang on...

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9 years 11 months ago 9 years 11 months ago
ondemand outage OnDemand Resolved

Resolution notes

The problems with ondemand.osc.edu are now resolved.

Users will encounter errors using...

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4 years 4 months ago 4 years 4 months ago
Password changes may be delayed Infrastructure Resolved

Due to an infrastructure problem, password changes via ARMSTRONG may be delayed until further notice.

12 years 9 months ago 12 years 9 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...

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6 years 10 months ago 1 year 4 months ago
abaqus: partial node jobs Software Resolved

If you run a parallel (or even serial!) job, but not using all the cpus...

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8 years 5 months ago 8 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. 

...

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2 years 5 months ago 2 years 4 months ago
ptrace Disabled so Debuggers and Tracers Do Not Work Resolved

ptrace has been disabled globally across all OSC systems to mitigate a newly identified Linux kernel vulnerability. This disables most functionality of debuggers,...

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3 months 4 weeks ago 1 month 3 weeks ago

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