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
cuda-gdb segmentation fault on startup Owens, Pitzer, Software Resolved

The CUDA debugger, cuda-gdb, can raise a segmentation fault immediately upon execution.  A workaround before executing cuda-gdb is to unload the xalt module, e.g.: 

module unload... Read more          
5 years 7 months ago 3 years 8 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

11 years 6 months ago 11 years 6 months ago
HWloc warning: Failed with: intersection without inclusion Ascend, Cardinal Resolved
(workaround)

When running MPI+OpenMP hybrid code with the Intel Classic Compiler and MVAPICH 3.0, you may encounter the following warning message from hwloc:

... Read more
1 year 1 month ago 7 months 2 weeks ago
Armstrong offline until Noon Resolved

Armstrong will need to be taken down today until Noon.  In the meantime, contact OSCHelp (OSCHelp@osc.edu) for account assistance.

11 years 3 months ago 11 years 3 months ago
OpenMPI 4 and NVHPC MPI Compatibility Issues with SLURM HWLOC Ascend, Cardinal, Software Resolved
(workaround)

A pure MPI application using mpirun or mpiexec with more ranks than the number of NUMA nodes may encounter an error similar to the following:... Read more

8 months 4 weeks ago 5 months 3 weeks ago
Switch failure on Nov 17 2018 filesystem, login Resolved

Updates at 12:51 PM Nov 19:

At about 5:00 am on November 18th, OSC experienced another major switch failure. As of noon Nov 18, all services have been fully restored. In... Read more

7 years 3 weeks ago 7 years 3 weeks ago
Emergency maintenance in OSC’s data center Feb 10 2022 Outage, Owens, Pitzer Resolved

OSC will shut down significant portions of the Owens and Pitzer clusters for several hours this afternoon (Thursday, Feb.... Read more

3 years 10 months ago 3 years 10 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

9 years 10 months ago 9 years 3 months ago
Rolling reboot of Owens starting from Oct 10, 2019 login, Owens Resolved

Updated on 1 PM Oct 17, 2019:

The rolling reboot of Owens has been completed. 

Original Post:

We are having rolling reboots of Owens... Read more

6 years 2 months ago 6 years 1 month 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

12 years 7 months ago 12 years 7 months ago

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