On Monday, November 19, 2012 4:03:21 PM UTC+1, Jean-Pierre Flori wrote:
>
>
> On Saturday, November 17, 2012 9:05:11 AM UTC+1, Nils Bruin wrote:
>>
>> It's worth running the sage testsuite on linux with "export 
>> MALLOC_CHECK_=3" (on OSX, look up gmalloc for similar testing). It 
>> makes malloc a little less tolerant of misuse. It found a problem in 
>> graph_generators.py. See 
>>
>> http://trac.sagemath.org/sage_trac/ticket/13719 
>>
>
> Using the same settings, I got the same segfauilt and a SIGABORT in 
> polynomial/pbori.pyx.
> This was on sage 5.5.rc0 plus additional fixes from #12215 for PARI unique 
> instance deallocation and #12313 for polybori double free problem for 
> ReductionStrategies. 
>

The SIGABORT in pbori.pyx seems to come from the fix from #12313, oops. 

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