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
Matlab PCT broken due to pbsrsh modification Matlab Resolved

A change was made to the system wide pbsrsh script which Matlab relies on.  It has been discovered that this change has broken the parallel computing toolbox (...

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11 years 4 months ago 10 years 11 months ago
Slow Processing of Password Changes Account Management, client portal Resolved

Password changes are taking longer than usual to process through the system. In some test cases up to 17 minutes.

We are working on resolving this issue.

7 years 2 months ago 4 years 9 months 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...
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6 years 4 months ago 4 years 5 months ago
ptrace Disabled so Debuggers and Tracers Do Not Work Resolved

ptrace has been disabled globally across all OSC systems to mitigate a newly identified Linux kernel vulnerability. This disables most functionality of debuggers,...

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3 months 3 weeks ago 1 month 2 weeks ago
A partial-node MPI job failed to start using Intel MPI mpiexec Owens, Pitzer, Software Resolved
(workaround)

A partial-node MPI job may fail to start using mpiexec from intelmpi/2019.3 and intelmpi/2019.7 with error messages like

[mpiexec@o0439.ten.osc....
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5 years 10 months ago 1 year 3 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...

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13 years 4 months ago 13 years 4 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:...

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1 year 5 months ago 1 year 2 months ago
PBS commands on Owens are not working Batch, Owens Resolved

Update posted on July 12, 2017 at 1:50PM:

We have fixed the problem with the batch management system on Owens and queues on Owens have been opened again for jobs.

...

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9 years 2 months ago 9 years 2 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....

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4 years 7 months ago 4 years 7 months 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.

12 years 3 weeks ago 12 years 3 weeks ago

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