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segfaults in test suite #3782

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@tacaswell

I am getting segfaults from the test suite.

Program received signal SIGSEGV, Segmentation fault.
0x00007fffecadc34b in Triangulation::is_masked (this=this@entry=0x27e07e0, tri=tri@entry=1) at lib/matplotlib/tri/_tri.cpp:533
533         return !_mask.empty() && _mask(tri);
(gdb) bt
#0  0x00007fffecadc34b in Triangulation::is_masked (this=this@entry=0x27e07e0, tri=tri@entry=1) at lib/matplotlib/tri/_tri.cpp:533
#1  0x00007fffecae0c0c in Triangulation::calculate_neighbors (this=this@entry=0x27e07e0) at lib/matplotlib/tri/_tri.cpp:343
#2  0x00007fffecae1e46 in Triangulation::get_neighbors (this=0x27e07e0) at lib/matplotlib/tri/_tri.cpp:498
#3  0x00007fffecae7dbe in PyTriangulation_get_neighbors (self=<optimized out>, args=<optimized out>, kwds=<optimized out>)
    at lib/matplotlib/tri/_tri_wrapper.cpp:142
#4  0x00007ffff7aefdb9 in call_function (oparg=<optimized out>, pp_stack=0x7ffffffc2bc8) at Python/ceval.c:4017
#5  PyEval_EvalFrameEx (f=<optimized out>, throwflag=<optimized out>) at Python/ceval.c:2679

[  -- snipped 1.6k (?!) calls in ceval.c -- ]

This 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).

cc @ianthomas23 @mdboom

Activity

  1. added this to the milestone on Nov 11, 2014
  2. tacaswell commented on Nov 11, 2014

    @tacaswell
    MemberAuthor

    Travis does not reproduce this and a clean conda environment does not reproduce it. Closing as I assume that something went south with conda-related issues, sorry for the noise.

  3. mdboom commented on Nov 11, 2014

    @mdboom
    Member

    Could be the usual case of distutils not rebuilding enough... Wouldn't be surprised by this kind of thing at this point on master, of course.

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