[ET Trac] [Einstein Toolkit] #499: Prolongation fails with vectorisation enabled

[Einstein Toolkit]

#499: Prolongation fails with vectorisation enabled
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  Reporter:  hinder  |       Owner:  eschnett
      Type:  defect  |      Status:  new     
  Priority:  major   |   Milestone:          
 Component:  Carpet  |     Version:          
Resolution:          |    Keywords:          
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Comment (by barry.wardell):

 Replying to [comment:6 eschnett]:
 > LoopControl is another candidate that can create problems when
 vectorising. It has a self-check built in that is enabled via
 LoopControl::do_selftest = yes (and which is somewhat expensive). Could
 you give this a try?

 I have tried this and the crash still happens as before without any error
 detected by LoopControl. The only way I am able to avoid the crash is to
 disable optimisation (which annoyingly makes debugging a pain). Do you
 think this could point to a compiler issue? I'm going to try the same run
 on Kraken (the crash happens on Datura) to see if the problem happens
 there too.

 Has anybody else encountered a segfault in CarpetHG with vectorisation
 enabled and AMR? Or has anybody else tried this combination successfully?

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/499#comment:7>
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