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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"segfaults in test suite","articleBody":"I am getting segfaults from the test suite.\n\n```\nProgram received signal SIGSEGV, Segmentation fault.\n0x00007fffecadc34b in Triangulation::is_masked (this=this@entry=0x27e07e0, tri=tri@entry=1) at lib/matplotlib/tri/_tri.cpp:533\n533         return !_mask.empty() \u0026\u0026 _mask(tri);\n(gdb) bt\n#0  0x00007fffecadc34b in Triangulation::is_masked (this=this@entry=0x27e07e0, tri=tri@entry=1) at lib/matplotlib/tri/_tri.cpp:533\n#1  0x00007fffecae0c0c in Triangulation::calculate_neighbors (this=this@entry=0x27e07e0) at lib/matplotlib/tri/_tri.cpp:343\n#2  0x00007fffecae1e46 in Triangulation::get_neighbors (this=0x27e07e0) at lib/matplotlib/tri/_tri.cpp:498\n#3  0x00007fffecae7dbe in PyTriangulation_get_neighbors (self=\u003coptimized out\u003e, args=\u003coptimized out\u003e, kwds=\u003coptimized out\u003e)\n    at lib/matplotlib/tri/_tri_wrapper.cpp:142\n#4  0x00007ffff7aefdb9 in call_function (oparg=\u003coptimized out\u003e, pp_stack=0x7ffffffc2bc8) at Python/ceval.c:4017\n#5  PyEval_EvalFrameEx (f=\u003coptimized out\u003e, throwflag=\u003coptimized out\u003e) at Python/ceval.c:2679\n\n[  -- snipped 1.6k (?!) calls in ceval.c -- ]\n```\n\nThis is the backtrace from a 14.04 ubunutu box and I have seen a segfault on arch, but don't have a backtrace for it (yet).\n\ncc @ianthomas23 @mdboom \n","author":{"url":"https://github.com/tacaswell","@type":"Person","name":"tacaswell"},"datePublished":"2014-11-11T19:19:58.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/3782/matplotlib/issues/3782"}