#12215: Memleak in UniqueRepresentation, @cached_method
--------------------------------------------------------------+-------------
       Reporter:  vbraun                                      |         Owner:  
               
           Type:  defect                                      |        Status:  
positive_review
       Priority:  major                                       |     Milestone:  
sage-5.5       
      Component:  memleak                                     |    Resolution:  
               
       Keywords:  UniqueRepresentation cached_method caching  |   Work issues:  
               
Report Upstream:  N/A                                         |     Reviewers:  
Nils Bruin     
        Authors:  Simon King                                  |     Merged in:  
               
   Dependencies:  #11521                                      |      Stopgaps:  
               
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Comment (by nbruin):

 I confirm that
 {{{
 sage -t  "devel/sage-main/sage/crypto/mq/mpolynomialsystem.py"
 }}}
 on sage-5.5.beta0+#12215 on sage.math does not succeed. In fact, when I
 run it, I usually get "Connection to sage.math.washington.edu closed by
 remote host.". A screen session doesn't help either, since that gets
 killed too.

 It seems to hang somewhere around line 971 (that's the last I see from
 `sage -t --verbose`), which is in the doctesting of "coefficient_matrix".
 Running that doctest by itself doesn't cause any problems.

 Oops, I had one run now where my connection wasn't closed! I got a " TIMED
 OUT! PROCESS KILLED!" this time.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12215#comment:127>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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