NERSCPowering Scientific Discovery Since 1974

Open Issues

Resolved -- Incorrect path with bash under csh

July 1, 2011 by Helen He | 0 Comments

Symptom:

With default csh or tcsh shell, entering bash (as login or non-login) messes up the path, causing qsub or ftn command either not found or uses wrong path.  Unloadind and loading the PrgEnv-xxx module again may partially address the problem.

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Variation in application runtime

June 9, 2011 by Katie Antypas | 0 Comments

Some users have reported variation in application runtime while Hopper is running in production mode with many applications running concurrently.  NERSC also sees runtime variability in some benchmarking codes.  NERSC is exploring the causes of runtime variability hypothesizing it could be caused by the placement of an application across the network,  contention for resources or a from a particular mix of jobs on the system.  

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"Unable to open kgni version file /sys/class/gemini/kgni0/version" error

April 13, 2011 by Helen He | 0 Comments

Symptom:

Dynamic executables built with compiler wrappers running directly on the external login nodes are getting the following error message:

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Resolved -- Default version not shown in "module avail module_name" command

April 13, 2011 by Helen He | 0 Comments

Symptom:

The default software version is not shown when "module avail module_name" is issued.  For example:

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Job dependencies do not work as expected. Require additional string in job name

April 8, 2011 by Katie Antypas | 0 Comments

Symptom: submitting jobs which depend on other jobs does not work.

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