Open pymol -> save session -> close pymol -> open pymol again -> open session -> segfault:
$ pymol PyMOL(TM) Molecular Graphics System, Version 1.5.0.1. Copyright (c) Schrodinger, LLC. All Rights Reserved. Created by Warren L. DeLano, Ph.D. PyMOL is user-supported open-source software. Although some versions are freely available, PyMOL is not in the public domain. If PyMOL is helpful in your work or study, then please volunteer support for our ongoing efforts to create open and affordable scientific software by purchasing a PyMOL Maintenance and/or Support subscription. More information can be found at "http://www.pymol.org". Enter "help" for a list of commands. Enter "help <command-name>" for information on a specific command. Hit ESC anytime to toggle between text and graphics. Detected OpenGL version 2.0 or greater. Shaders available. Detected GLSL version 3.30. OpenGL graphics engine: GL_VENDOR: NVIDIA Corporation GL_RENDERER: GeForce 8600M GT/PCIe/SSE2 GL_VERSION: 3.3.0 NVIDIA 304.51 Detected 2 CPU cores. Enabled multithreaded rendering. Save: Please wait -- writing session file... Save: wrote "/home/dreamer/test.pse". PyMOL: normal program termination. -------------------------------- $ pymol PyMOL(TM) Molecular Graphics System, Version 1.5.0.1. Copyright (c) Schrodinger, LLC. All Rights Reserved. Created by Warren L. DeLano, Ph.D. PyMOL is user-supported open-source software. Although some versions are freely available, PyMOL is not in the public domain. If PyMOL is helpful in your work or study, then please volunteer support for our ongoing efforts to create open and affordable scientific software by purchasing a PyMOL Maintenance and/or Support subscription. More information can be found at "http://www.pymol.org". Enter "help" for a list of commands. Enter "help <command-name>" for information on a specific command. Hit ESC anytime to toggle between text and graphics. Detected OpenGL version 2.0 or greater. Shaders available. Detected GLSL version 3.30. OpenGL graphics engine: GL_VENDOR: NVIDIA Corporation GL_RENDERER: GeForce 8600M GT/PCIe/SSE2 GL_VERSION: 3.3.0 NVIDIA 304.51 Detected 2 CPU cores. Enabled multithreaded rendering. Executive: Loading version 1.501 session... TypeError: bad argument type for built-in operation ExectiveSetSession-Error: after view. ExectiveSetSession-Warning: restore may be incomplete. Segmentation fault