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 5 months ago 1 year 5 months ago
Cannot login to clusters Resolved

As of around 3PM today (Thursday 6/12), we have reports of users being unable to login in to the clusters.  The error message given will make it sound like your password is incorrect, although it...

Read more
12 years 4 months ago 12 years 4 months ago
ondemand outage OnDemand Resolved

Resolution notes

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

Users will encounter errors using...

Read more
4 years 5 months ago 4 years 5 months ago
Rolling reboot of Owens and Ruby, starting from 8 AM Monday, August 6, 2018 Owens, Ruby Resolved

10:16 AM 8/13/2018 Update:

The rolling reboot of Owens has been completed.

9:00 AM 8/10/2018 Update:

The rolling reboot of Ruby has been...

Read more
8 years 2 months ago 8 years 2 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...

Read more
6 years 11 months ago 1 year 5 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
6 years 7 months ago 6 years 7 months ago
Glenn Intel v11 and later do not support -mkl flag Software Resolved

Intel compiler versions 11 and later on Glenn do not support the -mkl compiler options.  Contact oschelp@osc.edu...

Read more
10 years 8 months ago 10 years 2 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...
Read more
2 years 5 hours ago 3 months 3 weeks ago
Temporary Login Node Instability on Ascend and Cardinal Ascend, Cardinal Resolved

We are currently experiencing temporary instability on the Ascend and Cardinal login nodes, which may result in slow response times or unexpected session disconnects. Our team is actively...

Read more
4 months 2 weeks ago 1 week 2 days ago
Backups of /nfs/gpfs Backups Resolved

Changes to files on /nfs/gpfs may not be backed up during the following evening's backup, as would normally be expected. The backup software is attempting to recreate a full backup of the...

Read more
13 years 5 months ago 13 years 5 months ago

Pages