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
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
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 6 months ago 4 years 10 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 5 months ago 4 years 5 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
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
Password changes may be delayed Infrastructure Resolved

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

12 years 10 months ago 12 years 10 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...

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6 years 7 months ago 6 years 7 months ago
Login Shell Issues on Oakley Account/Shell Resolved

UPDATE: The shells have all been switched back for affected users, and you can submit jobs normally again.  Additionally, if you are still logged in and have the incorrect shell, logging back out...

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12 years 3 months ago 12 years 3 months ago
STAR-CCM+ MPI job failure Cardinal, Software Resolved
(workaround)

STAR-CCM+ encounters errors when running MPI jobs using Intel MPI or Open MPI, displaying the following message:

ib_iface.c:1139 UCX ERROR Invalid active_speed on...
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1 year 11 months ago 3 months 2 weeks ago
Libraries not compatible with cxx17 Software Resolved

Libraries for intel/18.0.3 and intel/17.0.7 are not compatible with cxx17.

Intel compilers need gnu library to support 2017 ISO C++ standard, and cxx17 is the module to load the gnu...

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8 years 1 month ago 8 years 2 weeks ago

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