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Known Issues

This page lists known issues on LUMI and any known workarounds.

Job get stuck in CG state

The issue is linked to a missing component in the management software stack. We contacted HPE and are waiting for the problem to be fixed.

Fortan MPI program fails to start

If Fortran based program with MPI fails to start with large number of node (512 nodes for instance), add export PMI_NO_PREINITIALIZE=y to your batch script.