[ET Trac] [Einstein Toolkit] #1271: hwloc is segfaulting

[Einstein Toolkit]

#1271: hwloc is segfaulting
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 Reporter:  sbrandt  |       Owner:                     
     Type:  defect   |      Status:  new                
 Priority:  major    |   Milestone:  ET_2013_05         
Component:  Other    |     Version:  development version
 Keywords:           |  
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 My efforts to run the ET testsuite fail when system_topology.cc attempts
 to bind threads to CPUs because hwloc_get_obj_by_depth(topology, pu_depth,
 pu_num) returns NULL. In the attached patch I check for a null return
 value and print a warning, then skip setting the affinity.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1271>
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