[ET Trac] [Einstein Toolkit] #1426: Fatal loopcontrol assertion causes 23 test failures

[Einstein Toolkit]

#1426: Fatal loopcontrol assertion causes 23 test failures
----------------------+-----------------------------------------------------
 Reporter:  hinder    |       Owner:  eschnett           
     Type:  defect    |      Status:  new                
 Priority:  critical  |   Milestone:                     
Component:  Carpet    |     Version:  development version
 Keywords:            |  
----------------------+-----------------------------------------------------
 A recent change has caused 23 of the tests to start failing:
 https://build.barrywardell.net/job/EinsteinToolkit/786/testReport/

 One of the error messages is:

 {{{
 /home/jenkins/workspace/EinsteinToolkit/arrangements/Carpet/LoopControl/src/loopcontrol.cc:795:
 void lc_control_init(lc_control_t*, lc_descr_t*, ptrdiff_t, ptrdiff_t,
 ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t,
 ptrdiff_t, ptrdiff_t): Assertion `int(lc_fine_thread_comm.size()) <
 get_num_coarse_threads()' failed.cactus_sim:
 /home/jenkins/workspace/EinsteinToolkit/arrangements/Carpet/LoopControl/src/loopcontrol.cc:795:
 void lc_control_init(lc_control_t*, lc_descr_t*, ptrdiff_t, ptrdiff_t,
 ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t,
 ptrdiff_t, ptrdiff_t): Assertion `int(lc_fine_thread_comm.size()) <
 get_num_coarse_threads()' failed.
 }}}

 Many others are similar.  I assume that this affects non-test runs as
 well.  The test system has been offline since 6th August due to server
 maintenance, so the error was introduced sometime between 6th and 15th
 August.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1426>
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