We are currently experiencing temporary instability on the Ascend login nodes.

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
Storage Service Interruption Outage Resolved

This is resolved. If you do not see the Project or Scratch filesystems in your filebrowser in OnDemand, use the "Restart Web Server" option in the help menu in... Read more

7 months 6 days ago 7 months 5 days 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 1 day ago 12 years 1 day ago
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          
6 years 1 month ago 4 years 2 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

7 years 10 months ago 7 years 10 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 7 months ago 1 year 1 month 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

1 year 2 months ago 11 months 4 weeks 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 4 months ago 9 years 10 months 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

4 years 4 months ago 4 years 4 months 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 1 month ago 13 years 1 month 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 8 months ago 6 years 7 months ago

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