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Open Issues

Link error from craype/2.5.0

January 13, 2016 by Woo-Sun Yang

If you build a code using a file called 'configure' with craype/2.5.0, Cray build-tools assumes that you want to use the 'native' link mode (e.g., gcc defaults to dynamic linking), by adding '-Wl,-rpath=/opt/intel/composer_xe_2015/compiler/lib/intel64 -lintlc'. This creates a link error:

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MPI errors from cray-mpich/7.3.0

January 6, 2016 by Ankit Bhagatwala

A change in the MPICH2 library that now strictly enforces non-overlapping buffers in MPI collectives may cause some MPI applications that use overlapping buffers to fail at runtime. As an example, one of the routines affected is MPI_ALLGATHER. There are several possible fixes.

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Compilation error with cray-petsc/3.6.1.0

January 5, 2016

The current default cray-petsc module, cray-petsc/3.6.1.0, does not work with the current default cray-mpich/7.3.0 on Edison. You will run into the following error,

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If you can not login to Edison while you can login to Hopper

July 21, 2015

Some users, who use a later version of OpenSSL, eg., 6.9, may expereince login problems to Edison. This is because the default cipher from the later version of OpenSSL are not accepcted by Edison. This problem is being worked on, and a fix is expected to be in place by the end of August. Until then, please provide a different cipher on the ssh command line (using the -c option) to login to Edison. For example,
ssh -c aes256-ctr edison.nersc.gov -l <your username>

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cray-hdf5-parallel/1.8.13 garbling integers in intel environment

September 11, 2014

This problem was fixed on 11/11/14 on Edison with CDT 1.20 upgrade (Novemeber PE release).

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