OK, running sage -t with the option --verbose I found the culprit: 
has_mathematica() hangs because, for some reason, Mathematica cannot 
connect to the Network License Server. 

Eric. 

Le lundi 6 août 2018 16:04:12 UTC+2, Eric Gourgoulhon a écrit :
>
> I am a bit puzzled by this: on the same computer, *all* versions of Sage 
> (including Sage 7.5 !) hang with 
> ./sage -t --long --warn-long 49.8 src/sage/doctest/external.py
> while they used to succeed (I checked it in the logs of make ptestlong).
> There was no change in the system configuration though (last successfull 
> make ptestlong, including src/sage/doctest/external.py, was for Sage 
> 8.3.rc3 last week). 
>
> Eric.
>
> Le lundi 6 août 2018 15:47:10 UTC+2, Eric Gourgoulhon a écrit :
>>
>> Le lundi 6 août 2018 15:44:52 UTC+2, Eric Gourgoulhon a écrit :
>>
>>> This remains true when run standalone:
>>>
>>> ./sage -t --long --warn-long 49.7 src/sage/doctest/external.py
>>> Running doctests with ID 2018-08-06-15-40-11-d71f1470.
>>> Git branch: develop
>>> Using --optional=mpir,python2,sage
>>> Doctesting 1 file.
>>> sage -t --long --warn-long 49.7 src/sage/doctest/external.py
>>>
>>> It hangs forever (at least 10 min say); I interrupted it byCTRL-C.
>>>
>>>
>> Here is what I got after the CTRL-C:
>>
>> sage -t --long --warn-long 49.7 src/sage/doctest/external.py
>> ^CKilling test src/sage/doctest/external.py
>> ----------------------------------------------------------------------
>> Doctests interrupted: 0/1 files tested
>> ----------------------------------------------------------------------
>> Total time for all tests: 538.5 seconds
>>     cpu time: 0.0 seconds
>>     cumulative wall time: 0.0 seconds
>>
>>

-- 
You received this message because you are subscribed to the Google Groups 
"sage-release" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/sage-release.
For more options, visit https://groups.google.com/d/optout.

Reply via email to