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
Unavailability of intel channel among the conda channel list: Software Resolved

If you are getting an error: 

UnavailableInvalidChannel: HTTP 403 FORBIDDEN for channel intel <...

Read more
2 years 1 month ago 2 years 1 month ago
STAR-CCM+ OpenMPI Job Failed due to Out-of-Memory Cardinal, Software Resolved
(workaround)

After the scheduled downtime on May 12, 2026, STAR-CCM+ has been encountering out-of-memory errors when running OpenMPI jobs. A message similar to the following...

Read more
4 months 2 weeks ago 3 months 3 weeks ago
Issue when loading multiple Fluent or ANSYS modules simultaneously Software Resolved

Due to the way our Fluent and ANSYS modules are configured, simultaneously loading multiple of either module will cause a cryptic error.  The most common case of this happening is when multiple of...

Read more
12 years 1 week ago 10 years 11 months ago
Problems with GPFS filesystem, and OnDemand is not working filesystem Resolved

Updates on 12:00pm June 10:

The issue is fixed. All impacted services return to production.

We apologize for the inconvience. If you have any questions, please...

Read more
5 years 4 months ago 5 years 4 months ago
Client Portal: Intermittent Outages Account Management, Account/Shell, Login Problems, Outage Resolved

We are experiencing infrastructure issue on the servers that host the Client Portal (my.osc.edu).

Outages are intermittent.

We apologize for the...

Read more
7 years 8 months ago 7 years 3 months ago
Instability on Clusters after May 13 Downtime Resolved

We've been experiencing some instability on the clusters (particularly Cardinal and Ascend) following the recent May 13 downtime, especially with parallel job processing. If you notice any unusual...

Read more
1 year 5 months ago 1 year 4 months ago
Some issues remain after downtime Login Problems, Operations, Outage Resolved

15 July 2016, 5:00PM update: some additional issues we are facing

  • We are experiencing periodic hangs of the GPFS client file system software used with the new storage environment. ...
Read more
10 years 3 months ago 9 years 3 weeks ago
GPFS problems with /fs/project and possibly /fs/scratch filesystem Resolved

There was an issue with GPFS clients that affected /fs/project and possibly /fs/scratch between around 3:30AM and 8:30AM on Sunday September 4th. Some jobs from clients were also impacted. 

... Read more
4 years 1 month ago 4 years 1 month ago
Intermittent home directory performance issues filesystem Resolved

Users may experience performance issues in home directory. It is recommended to use temporary directory ($TMPDIR, or scratch) or project storage to minimize the impact on...

Read more
3 years 3 months ago 3 years 2 months ago
GPU Memory Not Released Causing OOM in Subsequent Jobs GPU Resolved
(workaround)

We have noticed that GPU memory is not being properly released in some jobs, causing subsequent jobs on the same nodes to run out of memory (OOM). We are currently working on a resolution...

Read more
1 year 3 weeks ago 7 months 1 week ago

Pages