Comment # 4 on bug 1189440 from Harald Koenig

gdb backtrace for the crash at exit, doesn't look too useful to me -- YMMV;)

[Thread 0x7fffe96c4640 (LWP 29313) exited]

Thread 1 "openscad" received signal SIGSEGV, Segmentation fault.
0x00005555557371e8 in gui (inputFiles=..., original_path=..., argc=<optimized
out>, argv=<optimized out>) at src/openscad.cc:848
Downloading source file
/usr/src/debug/openscad-2021.01-2.3.x86_64/src/openscad.cc...
Download failed: Input/output error.  Continuing without source file
/usr/src/debug/openscad-2021.01-2.3.x86_64/src/openscad.cc.
848     src/openscad.cc: Success.
(gdb) 
(gdb) bt
#0  0x00005555557371e8 in gui(std::vector<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > > >&, boost::filesystem::path const&, int, char**)
(inputFiles=<optimized out>, original_path=<optimized out>, argc=<optimized
out>, argv=<optimized out>)
    at src/openscad.cc:848
#1  0x000055555560ed43 in main(int, char**) (argc=<optimized out>,
argv=0x7fffffffd578) at src/openscad.cc:1188
(gdb)