On Ubuntu 18.04, running tests with various optional and external packages, I get:
Using --optional=4ti2,cbc,ccache,cryptominisat,database_jones_numfield,debian,dot2tex,e_antic,external,fricas,glucose,latte_int,libnauty,lidia,lrslib,memlimit,normaliz,notedown,pandoc_attributes,pip,pycosat,pynormaliz,rst2ipynb,sage,sage_numerical_backends_coin,sage_spkg ---------------------------------------------------------------------- sage -t --long --warn-long 56.3 --random-seed=0 src/sage/interfaces/singular.py # Killed due to segmentation fault ---------------------------------------------------------------------- External software detected for doctesting: ffmpeg,graphviz,imagemagick,internet,latex,octave,pandoc I can reproduce it when running the command: sage -t --long --warn-long 73.3 --random-seed=0 src/sage/interfaces/singular.py -- 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 sage-release+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-release/7a090748-4c37-4448-b224-a537d226c02en%40googlegroups.com.